 Quick cooking and instant rice and methods of making same
专利摘要:
The present invention provides a method for producing rapid cooking rice having an original appearance and a soft feel. Rice is produced by mechanically manipulating the wettable rice with a moisture content of 17 to 32% by weight, preferably by milling the rice to remove bran and then drying. Wet milling produces products with rapid cooking properties, good yield and edible properties. Machine engineered wettable rice may also be instantiated after the wet flexing step to produce instant rice. Thus, the present invention provides quick cooked and instant rice obtainable by the claimed method. 公开号:KR20000022196A 申请号:KR1019980710614 申请日:1997-06-13 公开日:2000-04-25 发明作者:야 화 이. 린；뤽 야콥스 申请人:레너드 제이 샌디시；엉클 벤즈, 인코포레이티드； IPC主号:
专利说明:
Rapid cooking and instant rice and its manufacturing method The references cited below, each of which is incorporated herein by reference, relate to the field of the invention. Rice is one of the leading food crops, after wheat only in terms of annual production for food use. Rice is a staple food for about 60% of the world's population. About 90% of the world's rice is produced and consumed in Asia. Rice is an annual, semi-aquatic grass that can grow under a wide range of climatic conditions. Cultivated rice is named Oryza sativa L. or Oryza glaberrima Steud. Oriza Sativa is the dominant; Orissa Glaberima grows only on the African continent on a limited scale. The overall structure of mature coarse grains of rice is shown in FIG. 1 (Rice: Chemistry and Technology, Edited by Bienvenido O. Juliano, page 18 (1985)). The main parts of the kernel are the outer skin, the rind, the seed, the chief referee, the embryo, the whistle layer and the endosperm. The outer shell is the outer coat of grains (brown rice). The shell accounts for 18 to 20% by weight of brown rice and protects against insect invasion and environmental fluctuations. The removal of the shell from brown rice by stripping exposes the grains of rice. The outer four morphologically distinct layers of the grains are the rind, the Tegmen, the Referee and the whistle. Together with much of the embryo, these layers contain the bran portion of the grains of rice. Although the whistle layer is the botanical part of the cereal family, it is removed as part of the bran fraction during milling. The bran portion accounts for 5 to 8% of the brown rice weight and is the most nutritious part of cereals. The cells of the neutrophils are composed of a number of inclusion bodies, in particular, called protein bodies and lipid bodies. Thus, raw untreated milled rice has a reduced nutritional value by eliminating the nutrient layer. Cooking of rice typically involves absorbing water and heat into the rice. For example, rice is cooked by placing rice in boiling water for a period of time. Alternatively, the rice may be steamed and cooked. Rice boiled with water will typically absorb 65-75% by weight of water during cooking. Water is literally absorbed when cooking over time. Thus, shortening the cooking time reduces the absorption of water. This is drastically reduced to 120 g at 10 min and 100 g at 8 min at 180 ° C. for 100 g of dry rice. Low water absorption leaves the rice soft on the outside and leaves firm, chalky and uncooked on the inside (water absorption is an increase in weight from 100 g dry rice after cooking in excess water for a period of time ). Absorption of water is defined as the weight of cooked rice yield from 100 g of dry rice after a predetermined time. Cooked rice typically has different mechanical properties compared to the original rice. Acceptable cooking and cooking requirements vary by region. In the United States, for example, softer rice products often appear desirable, while Europeans typically want harder or harder rice. The following is a list of terms often used to characterize the bulbous characteristics of cooked rice [Ref: Rice: New Evaluation Methods, by Kohlway, page 120]: Firmness The force required for the compression of cooked rice between molars during the first chewing. The degree can range from a soft (low), firm (medium) to hard (high) degree of firmness. (Also called hardness in texture literature). The force required to remove the adhesive mouth (during meal) itself and cooked rice that attaches to the eating utensils. The degree can vary from flaky (fragile) (low) to cohesive (high). Springiness The degree to which cooked rice is once compressed between teeth and then returned to its original shape. The degree can vary from viscous flow (low) to rubbery (high). When pressed between cohesive teeth, the internal forces that hold together the granules before they are destroyed. The degree can vary from light (low), soft (medium) to fragile (high) in rice cooked to a leathery (high) or chewy taste. Length of time (in seconds) required to grind cooked rice in constant speed force application to reduce the hardness to moderate to chewable swallowing Crushing power The strength of cooked rice. The high degree will be rice with high hardness and low cohesion. Denseness lasting throughout the gum grinding; The energy required to disintegrate cooked rice ready to swallow. This term is a synthetic function of hardness and cohesion. The degree is in the range of powdery (low) to gum (high). Describe the type of starch surface wettability. The conditions can range from dry, combustible (low) to wet, starch (high). Involved in a small amount of fully adhesive and gum cooked rice placed on the tip of the tooth packing molar. This is primarily a defect with extruded rice, but can be found in precooked rice that has not been cooked sufficiently. Raw white rice is not parboiled, but is milled from brown rice into dry raw rice. In general, it is cooked faster than parboiled rice. Raw white rice typically requires a cooking time of about 12-18 minutes. The resulting cooked rice, however, has an extremely starchy taste. It is assumed that water and heat enter individual starch granules in rice grains to swell and burst them to release free molecular starch. In this way, a very starchy and pasted texture is produced in the oral cavity. Parboiling is a typical method used to reduce the starch of cooked rice. Parboiled rice is typically defined as rice soaked, heated and dried. During the heat treatment step of the paboiling, the starch in the endosperm of the rice is substantially gelled. The parboiling process and the resulting gelation of starch have several beneficial effects. Paboiling allows nutrients to migrate from the bedside to the inner parts of the rice before removal, resulting in rice products with enhanced nutritional value. Moreover, parboiled rice is preferred to white rice (raw / milling) by many consumers in terms of its texture, appearance, flavor, aroma and recipe tolerance. Conventional parboiling processes generally comprise: (1) soaking brown rice (or rice) at 50 to 70 ° C. for 2 to 4 hours to obtain brown rice having a water content of 30 to 35% by weight; (2) drain free water from rice soaked in water; (3) gelling by applying steam heat under pressure for 8-20 minutes; (4) drying the steamed rice with hot air to reduce the water content to about 12-14 weight percent water. The dried and parboiled brown rice is then ready to be milled to remove shelling and bran (for skin removal). Paboiling has been a major issue in the patent literature. Many efforts have been made to improve basic skills. For example, U.S. Patent 5,017,395 teaches an extra preliminary drying step at elevated temperatures. U.S. Patent 4,810,511 describes the use of microwave energy for partial gelation. U.S. According to patent 4,361,593, the starch of the rice is not fully gelled during steaming and the tempering step is carried out under non-gelling conditions to reduce subsequent rupture. U.S. Patent 4,338,344 describes an inclined enclosed chamber in which rice is cooked in hot water in the first region at the bottom and then steamed in the second region at the top. Although paboiling provides a rice product with this improved feature, the resulting parboiled rice allows longer cooking than milled white rice. Most parboiled rice requires at least 20 minutes of emery cooking to produce the paboiled rice with the desired edibility. The heat treatment associated with the paboiling treatment appears to make the product harder and thus reduce product rehydration, which results in longer cooking times. Another drawback of conventional rice parboiling processes compared to white rice milling is that they result in stronger bonds of the stratum corneum to the rice grains, resulting in more time during the milling step to remove the bran from the grain surface following parboiling. And energy should be used. Thus, although the parboiled rice shows a significant improvement in its starch-free and other advantageous properties, this advantage is due to the increased required to completely rehydrate dry parboiled rice to achieve a cooked product. This is partially offset by the cooking time. Therefore, it would be advantageous to provide a parboiled rice product with reduced cooking time. Rice products with faster cooking times are mainly produced by methods that include additional steps following conventional parboiling operations to modify the prototype and / or by chemically changing the structure of the rice. The former includes (a) size reduction, (b) puffing, or (c) extrusion. Examples of the latter chemical process include (a) enzymatic treatment or (b) rice protein denaturation. This prior art method does not provide rice products with their original inherent appearance in size, texture, form, color, flavor or texture. "Size reduction" improves cooking time by reducing the thickness of individual rice grains. Reducing the thickness of the rice reduces cooking time since the rice grains are hydrated more completely. That is, reducing the thickness reduces the time it takes for the moisture to move to the center of the rice grains. Ozai-Durrani's U.S. Patent No. 2,733,147 contains wet, fully gelled starch in a completely soluble state on the outside and the entire structure of the grain of rice containing starch, ranging from very mild gelation and flexibility to complete gelation and flexibility. The present invention relates to a method for producing a fast cooked rice product by administering the mechanical compress so as to denature the grain without reducing it to a broken state. The patent document claims that in the case of rice which has been soaked and precooked in accordance with the above-mentioned conditions, the thickness of the grains may be inherently (or provided) to provide a rehydrated product having the texture and other characteristics of the rice cooked adjustable at a reduced cooking time. Standard rice) has been found to be reduced by about 30 to about 80% of the thickness. Lewis et al. U.S. Patent No. 5,045,328 relates to the compression of high moisture content parboiled rice by cold rolling to achieve the cooking properties of the rice. Although rice products with reduced cooking time are produced by methods that rely on "size reduction", the products have an unnatural appearance and deformed feel as a result of the modified shape and size. Moreover, this method requires additional processing steps and machinery (cold rolling or compaction) to achieve size reduction. The method using the "puffing" step increases the volume of the rice product, thereby reducing the cooking time by reducing the density. The result is a porous structure that is easily rehydrated. The puffing process includes a pressure drop process involving (1) an atmospheric pressure procedure that relies on the sudden application of heat to obtain the required rapid evaporation of water, and (2) the sudden movement of wet particles superheated into the space at low pressure. Puffing occurs as a sudden expansion of water vapor (steam) in the gaps of the granules (Rice, volume II: Utilization, Second Edition, Edited by Bor S. Luh, page 180). Ozai-Durrani's U.S. Patent No. 2,438,939 treats rice with moisture and heat to gel starch, soften the grains and expand them beyond their original size, and then expand the expanded grains throughout the grain as a result of shrinkage of the internal starch and as a result of shrinkage of the internal starch. To drying to create a porous structure. By this process, rice comprising dried, isolated and substantially gelled rice grains having a porous structure that is twice as large as the original volume and can be readily hydrated into individual grains with the pale and savory properties of conventional cooked rice. The product is created. Ando et al., U.S. Patent 4,166,868 relates to frying of compressed rice with a water content of 8 to 25% to form a puffed ready-to-eat rice product. Ando et al., U.S. Patent 4,233,327 relates to puffing and drying of compressed rice having a water content of 8 to 25% by weight with hot air or high frequency dielectric heating to form instant cooking rice products. Although the "puffing" method produces rice products with improved cooking time, the products have an unnatural appearance and deformed feel as a result of the deformed shape, surface texture and size. The method involving “extrusion” reduces the cooking time of the rice by extruding the mass of the rice product to form pasta material. The resulting extruded product is similar to pasta and has a significantly different appearance and feel compared to conventional rice. The aforementioned methods are also disadvantageous because each requires at least one additional step and / or device for rice processing. For example, a method involving a reduction in grain thickness requires a separate step of compressing the grain. Other methods of reducing the cooking time of rice include those described in the following references. Lewis et al. U.S. Patent 4,810,506 relates to a method for producing a grain product comprising treating the parboiled kernels with a predetermined amount of solution containing water and enzymes. Preferably, the parboiled kernels are compressed when they are still at high temperature by passing them between rollers prior to treatment with the enzyme containing solution. Cox et al., U.S. Patent No. 3,879,566 relates to a method for producing rapid cooking rice that denaturates the protein component of the rice so that more water is used in the starch component for absorption expansion and to modify the starch component of the rice to increase hydrophilicity. will be. Here, rice grains are not put into mechanical action to denature their physical structure. Instead, molecular or internal structural modifications of the chemical composition of the rice grains are achieved by the use of chemicals and heat treatments to facilitate the penetration of water into the grains of rice during the manufacture of the fast cooked rice and also during the final cooking to the savory state. do. This metamorphosis of rice can result in exotic flavors or colors in cooked rice products. The method described above does not provide a quick cooked parboiled rice product with an original appearance, flavor and / or feel. The original appearance is important because, as is widely accepted in the culinary arts, the first impression of food is generally visual. That is, the inclination of an individual to be willing to sample a particular food depends largely on preconceived notions about colors and other visual cues that cause empathy. Appearance is a potent quality attribute predicated by people, who will be an indicator of the aggravating change experienced by food. Aromas and flavors can also affect smelling and tasting. Thus, irregular appearance increases the likelihood that food will be rejected, and this phenomenon jeopardizes the acceptability of rice among the majority of cultures common to rice around the world. This phenomenon is even worse when the rice has an exotic flavor as a result of additives (enzymes or chemical reagents) used to modify the cooking properties of the rice. It is desirable that the appearance of the rice is uniform and natural, and the rice flavor is almost mild and subtle. Thus, the cost and / or complexity of making quick cooked or instant rice and quick cooked rice having an original appearance and flavor and smooth surface texture without substantially modifying the size and / or shape of the individual rice grains. It would be desirable to provide a manufacturing method that does not significantly increase. Object of the present invention It is an object of the present invention to provide an improved quick cook or instant rice product and a method of making the same. It is a further object of the present invention to provide a fast cooking rice having a natural appearance and flavor and improved texture, improved cooking yield, improved integrity, and a method for producing the rice. It is a further object of the present invention to provide a quick cooking rice having a soft texture. It is a further object of the present invention to provide an improved quick cook or instant rice that does not significantly add cost and / or complexity to the processing of the rice or does not require the use of chemical reagents or enzymes. The above and other objects of the present invention will be described or apparent from the following detailed description. Summary of the invention The present invention relates to a quick cooking and instant rice product and a method for producing the same. More specifically, the present invention relates to a method comprising mechanically manipulating rice with high moisture content to produce rice products with enhanced cooking properties. The resulting product has the inherent appearance and flavor of rice and improved texture properties, improved cooking yield and integrity. Preferably, the machining step is accomplished by milling high moisture rice. By milling the high moisture rice directly or immediately after parboiling, rapid cooking rice is achieved without adding any further processing steps or using other chemical reagents or additives. Additional steps of conventional fast cooked rice processing, such as rehydration, compression and hot air puffing, can be eliminated. In fact, the present invention simplifies or reduces the costs associated with the preparation of quick cooking or instant rice, as the size can be reduced because the conventional drying and rehydration steps immediately after parboiling are omitted or the rice is milled when wet. Let's do it. Surprisingly, it has been found that the present invention significantly reduces the cooking time required compared to parboiled and dry milled rice. In particular, this process produces rapid cooking rice which boils at about 100 ° C. in water for only 10-12 minutes or less, for example 6-10 minutes, more preferably 5-8 minutes and then produces an acceptable texture. It can be used to The exact cooking time of the rice depends on certain parameters, including the exact moisture content in the rice varieties and the wet operation stages. However, a significant reduction in cooking time was observed for all rice varieties, and also for moisture content in the range of at least 19 wt% to 32 wt%, within the limits tested. Preferred rice varieties include Panda, Pelde, Thaibonnet, Gulfmont, Katy and Cypress. Another aspect of the present invention relates to the formation of instant rice products produced by further puffing wet milled rice to produce rice products with further reduced cooking time. Instant rice products can typically be achieved without the step of rehydrating dry milled rice since wet milled rice already has a high moisture level after milling. The resulting instant rice preferably has a cooking time of less than about 8 minutes, advantageously less than about 7 minutes, more preferably less than 6 minutes and most preferably less than 5 minutes. The present invention relates to a method for producing quick cooked and instant rice, and to a quick cooked and instant rice product obtainable thereby. Certain aspects of the invention are further described, for example, with reference to the accompanying drawings. 1 is a cross-sectional schematic diagram of raw rice grains. 2 (a) and (b) show micrographs of Tybonnett rice milled with 14% (FIG. 2 (a)) and 17% (FIG. 2 (b)) moisture stained with Amido Black / Blot staining 53x). Figure 3 is a three-dimensional micrograph (15 times) of the Tybonnett rice grain milled at 14% moisture. 4 is a micrograph of a 30% moisture milled gulfment long grain parboiled under standard light conditions. 5 (a) and (b) are micrographs of Tibonnet rice grains milled with 19% (FIG. 5 (a)) and 24% (FIG. 5 (b)) moisture stained with Amido black / blot staining (53x). 6 is a stereomicrograph (15x) of a Tybonnett rice grain milled to 25% moisture. FIG. 7 is a micrograph (75 times) of a Tibonnet rice grain milled to 24% moisture using a wide field of view. Figure 8 is a stereomicrograph (15 times) of the gulfment rice grain milled to 27% moisture. 9 is a micrograph (75 times) of gulfment rice grain milled to 27% moisture using a wide field of view. 10 is a flow chart of steps in a process according to one aspect of the present invention for producing a quick cook rice product. 11 is a flow chart of steps in a process according to one aspect of the present invention for the production of ready-to-cook rice products. 12 (a) and (b) are secondary electron micrographs of Tybonnett rice milled to 14% moisture, where FIG. 12 (a) is at 25 times magnification and FIG. 12 (b) is at 1000 times magnification. . 13 (a) and (b) are secondary electron micrographs of Tybonnett rice milled to 24% moisture, where FIG. 13 (a) is at 25 times magnification and FIG. 13 (b) is at 1000 times magnification. . 14 is a graph of the relationship between water absorption ratio (vertical axis) and cooking time (horizontal axis) for gulfment rice milled to 12%, 20% or 27% moisture. 15 is a graph of the relationship between shear value (vertical axis) and cooking time (horizontal axis) for 12%, 20% or 27% moisture. FIG. 16 shows data from sensory evaluation for 14% moisture and 24% moisture wet milled rice grains. Justice The term "physical properties" means measurable properties inherent to a compound or composition, such as surface area, mechanical properties, density, porosity, and the like. The term "relatively" means that 95% of the physical properties, if measured along the axis of the structure or in the plane of the structure or in the volume of the structure, will in some cases be within ± 20% of the mean. The term "substantially" means that 95% of the physical property values, when measured along the axis of the structure or in the plane of the structure or in the volume of the structure, will sometimes fall within ± 10% of the mean. "Cooking time" is a widely known concept of "inaccurate". The cooking time of rice can be defined as a texture that is strictly reproducible measured by trained taste study groups. These terms are discussed further below. The term "brown rice" refers to rice having some or all of the bran layer still attached to the rice grains. Often brown rice is referred to as cargo brown. The term "rice" refers to rice having a husk (ie, not stripped). Unless stated otherwise, the moisture content is given as weight percent moisture based on the total weight of the rice (ie wet weight). Description of the preferred embodiment Milling the parboiled rice while the rice is still wet (for example by the method described in EP-A-0 352 239 and US 5,316,783) surprisingly results in substantially the original appearance, reduced cooking time, the same overall. It results in improved cooking yields (ie, larger amounts of food for food service applications), softer cooked textures and other related advantages over cooking time. While not wishing to be bound by any theory, it is believed that the more rapid cooking of the wet milled parboiled rice produced by the method of the present invention is due to the production of a number of small fissures formed uniformly throughout the invisible rice grains. It is known to mill parboiled rice when slightly wet and flexible to reduce milling losses-in detail, this reduces the amount of broken rice and reduces the total energy required to produce milled rice from brown rice. Reduced, this method uses moisture levels of less than 17%. Lower moisture content during milling leads to higher rice breakage, as the rice tends to crumble. This method of milling, which is performed on rice that is parboiled with a water content of 15.5 to 16.5%, has been described previously. "Integration Between Hydrothermic and Mechanical Processing of Rice" presented at the Third Internaional Conference on Rice at the Rice Technology Training Centre, Alexandria, Egypt, on 22nd-1 September 1986]. Milling of parboiled rice with a water content of about 16.5% or less has not been used to make quick cooked rice until now, but has been used to reduce breakage of rice during milling. Higher moisture levels are avoided in advance as it is believed that the milled rice and loose bran will stick to the milling device and eventually block the milling chamber or otherwise adversely disturb the flow through the mill. In conventional rice milling, harvested or parboiled rice is dried to a stable moisture range before milling. However, at higher moisture levels of 19% or more, the parboiled rice product is softer and more flexible. Surprisingly, such high moisture levels can be used without adversely disturbing the flow of rice through the mill. Thus, when high moisture rice is milled, the product is flexed rather than broken. This flexing of high moisture rice clearly results in internal breakdown of starch cells or internal structures. This internal collapse is believed to cause microscopic fissures that allow the water to disperse into the rice, providing customs to produce rice products that cook more quickly without further processing. When the parboiled rice is dried below 17% moisture, the gelled starch polymer recrystallizes and the fluidity changes from viscoelastic to glassy. Therefore, rice milled at about 17% or less of moisture is purely due to the grinding action of the grains of rice on each other and on the milled stone. Rice can also be milled by friction milling (without grinding millstone) in the low moisture range due to the hardness of the rice. Unlike crumbs in white rice (non-boiled) or partially parboiled rice structures in conventional parboiled rice, fully parboiled rice has a uniform gelled uniform texture throughout the grain. Has At moderate to high moisture (eg, at least 19%), the grain is flexible, flexible and elastic (rubber). The surface of the rice is slightly harder than the center due to drying. In this moisture range, the grains of rice can be bent without breakage. The more fragile layer will be bent laterally when inserted into the bend in the longitudinal direction. The rice breaks down to the substratum and the bending does not cause pre-gelled starch endosperm damage. With sufficient mechanical work (preferably by milling) the base layer (protective layer) is peeled off and shattered from the drain. The base layer is removed during milling, so the soft drainage does not contain a stiff base layer and thus bends much more easily. In the mill, the bran is removed by milling action and peeling off the millstone. The flexing of the grains eventually leads to relaxation of the two-membrane cell wall in the endosperm and disruption of the internal cellular structure. The effect is more rapid water absorption and quick cooking characteristics. Rice products made in accordance with the present invention retain their original appearance (ie, size, type and texture). The present invention relates to individual rice grains or to multiple grains. In mass production, virtually all grains will be fast cooked. Preferably at least 50%, advantageously at least 75%, even more preferably 90%, most preferably 95% have this property. One advantage of the present invention is the reduced cooking time for rice. One useful parameter that characterizes cooking level is water absorption. Milling at higher moisture causes higher water uptake when cooking rice, as shown in Table 1. Table 1 illustrates the water uptake at certain time intervals of rice prepared according to the present invention relative to comparative rice products. Interestingly, although the medium grain rice is smaller in size than the long grain rice product, it should have a high water absorption, but the long grain rice product prepared according to the present invention has a larger water absorption value than the medium grain rice product produced by conventional methods. . Water absorption Varieties / Rice Types Cooking time 8 10 12 15 16 18 20 Thailbonnet (long grain) 24% moisture milling 236 253 264 293 - 310 316 Thailbonnet (long grain) 14% moisture milling 203 220 231 252 - 275 289 Ribe (Medium Grain) Quick Cook 14% Moisture Milling 204 221 232 252 258 272 285 Typical Quick Cook Brand # 1 (long grain) 207 - 240 - 270 - 299 Typical Quick Cook Brand # 2 (Long Grain) 203 - 234 - 263 - 290 Typical Quick Cook Brand # 3 (long grain) 204 219 232 262 289 Lemont (long grain) standard cooking 14% moisture milling 200 216 229 253 - 275 287 Arborio (Medium Grain) Standard Cooked 14% Moisture Milling 192 204 - - - 256 - The minimum water absorption of tasty rice is 220 g. Water absorption = cooking weight from 100 g dry rice after breaking in excess water for a given time at atmospheric pressure The increased water absorption provided by the present invention has several beneficial effects. This reduces cooking time and provides a faster cooked rice product. Higher water absorption properties also increase the cooking yield of rice compared to the same cooking time-which is important for food service use where weight on the plate and apparent portion size are important. It also improves feeling (particularly soft). The resulting product preferably has a smooth glossy surface and smooth texture and / or distinct intact whole grains and quick cooking properties. According to another aspect of the invention, the wet milled rice is cooked for an extended period of time (ie, 15-20 minutes or more) in breaking water (100 ° C.) to yield more white, almost undispersed grains, soft textures and / or more. It can produce cooked rice with large stretches. Surprisingly, it has been found that when wet milled rice is cooked for an extended period of time, water absorption can reach levels of about 300 g or more per 100 g without breaking down the grains (ie, sucking up and generating open ends, etc.). . That is, wet milled rice exhibits increased firmness and resistance to overcooking. Thus, the present invention provides quick-cooked rice with increased water absorption and reduced cooking time. Preferably, the quick-cooking rice has a cooking time of 6 to 10 minutes in 100 ° C breaking water. Even more preferably, the quick cooked rice has a cooking time of 5-8 minutes under the same conditions. Preferably, the relative cooking time of the rice according to the invention is at most 10%, advantageously at most 15%, even more preferably at most 20%, most preferably at most 30% of the conventional dry milling rice product cooking time. to be. The product should be cooked in excess water for 8 minutes and then have a water absorption level of 200 g or more per 100 g of dry rice. Preferably, the product is cooked in excess water for 10 minutes (preferably 8 minutes) and then at least 230 g of water per 100 g of dried rice, advantageously at least 240 g, even more preferably at least 250 g, most Preferably it should have a water absorption level of at least 260 g. Preferably, the water absorption and / or amount of the rice produced according to the invention is at least 5%, advantageously 10%, even more preferably 15%, most preferred compared to conventional dry milling (14% moisture) rice. To increase by 20%. The resulting rice products produced according to the invention are of the same type as conventional parboiled rice, both visually (with little or no magnification and specific lighting conditions), substantially both before and after cooking (both before and after cooking). see. In addition, the product preferably has a bulk density substantially the same as conventionally produced rice. The product typically has a bulk density of at least about 730 kg / m 3 . Preferably, the maximum change in rice grain size and / or its bulk density is 20% or less, advantageously 15% or less, even more preferably 10% or less, most preferably 5% or less. The texture of the resulting product is preferably smooth. It is believed that the smoothness is partially enhanced as the layer is pulled or peeled off as a result of the high moisture level rather than being scratched (presumed to occur during low moisture milling). Thus, scratches or dirt caused during conventional milling are typically reduced or eliminated. In addition, since rice grains have increased flexibility as a result of high moisture during milling, significant surface roughness is reduced. The result is a rice grain with a smoother surface. When viewed under standard light conditions, rice grains made according to the present invention have a substantially smooth, fissure-free surface (FIG. 4). Rice grains prepared according to the present invention have microcracks or fissures throughout their substantial surfaces when viewed using dark or bright field illumination or using dyeing. Preferably, the rice product is substantially free of rough edges or cracks having a size or width of at least 0.2 mm (measured in dyeing). The average width of the cracks or fissures is preferably about 0.15 mm or less, advantageously 0.1 mm or less, even more preferably 0.075 mm or less, most preferably 0.05 mm or less. Preferably, the grains have a substantial number of microcracks or microcracks on the surface having an average width of 0.1 to 2.0 microns (measured by SEM without staining). Preferably, the pattern of cracks or fissures forms a uniform web or mesh pattern throughout the grain surface. The cracks or fissures are preferably substantially uniform in width, length, depth, mutual space and shape (see FIGS. 5 and 6). According to a preferred embodiment, the fissures or cracks form irregular lines or edges rather than smooth straight lines. Most cracks or fissures seen at 15x magnification are oriented perpendicular and parallel to the rice grain length, but substantially all fissures are perpendicular to the length (see FIGS. 5-9). Preferably, the ratio of vertical or transverse fissure to horizontal or vertical fissure is at least about 2 to 1, advantageously at least about 5 to 1, even more preferably at least about 8 to 1, most preferably about 10 to 1 or more. Preferably, the ratio of the total length of the vertical or transverse fissures to the horizontal or longitudinal fissures is at least about 2 to 1, advantageously at least about 5 to 1, even more preferably at least about 8 to 1, most preferably Is about 10 to 1 or more. The density of the fissures is preferably uniform throughout at least 50%, advantageously at least 75%, even more preferably at least 90%, most preferably 95% of the grain surface. Preferably, the density of cracks or fissures is substantially uniform throughout the length of the grain surface. Advantageously, the grain has an average crack density of one parallel crack per square mm and at least 10 vertical cracks per square mm. Comparison of the various grains can be made with reference to FIGS. 2 to 9. 2 to 9 confirm the high water milling effect on rice grains. 2 and 3 illustrate Tybonnett rice grains milled at 14% moisture. 4 illustrates a parboiled gulfment long grain rice grain milled at 30% moisture. 5-7 illustrate Tybonnett rice grains milled at 19% moisture (FIG. 5A) or 24% moisture (FIGS. 5B, 6 and 7). 8 and 9 illustrate the gulfment rice grain milled at 27% moisture. 2 and 5 are micrographs showing various rice grains after dyeing application. The difference in surface texture and cracks is particularly highlighted in this figure. Different types of staining are used for the grains of rice from each sample. Examine with polarization microscopy (PLM) to assess which stain produces the maximum contrast between structural elements. One stain produces the desired result. The dye used is a mixture of amido black and blot dyes. The grain from each sample is allowed to immerse in the dye for about 5 minutes and allow to air dry. These are then examined by PLM at 53 times magnification. Staining was found to emphasize the difference in surface texture and structural cracks in the grain. Darker blues (amido black / blot staining) show greater surface area and surface activity. 3, 6 and 8 are dark field perspective stereomicrographs of representative rice grains milled at various moisture levels. The sample is not stained. The grains of rice are photographed with an Olympus SZH stereoscopic microscope using a dark field of view. Standard objective magnification is 15 times; 3.3x eyepieces are used throughout. The total magnification of a 4 "x 6" print is 15 times. 7 and 9 are micrographs made using a clear field of view perspective. The grains of rice are photographed with an Olympus BH-2 microscope using a 5x objective and a 3.3x eyepiece with bright vision. The total magnification of these specimens is 75 times. The purpose of the micrograph is to show internal cracks at higher magnifications. This higher magnification image helps to visualize the surface morphology. 3, rice grains milled at 14% moisture are shown by stereomicrographs at 15x magnification. The grain has a surface that is substantially free of cracks or fissures. However, the grain appears to have a dent or scratch that confirms the belief that the base layer is scratched when milling at low moisture levels. The grains shown in FIG. 3 are compared to FIG. 6 showing stereoscopic micrographs of Tybonnett rice grains milled at 24% moisture. As shown in FIG. 6, the resulting article has small cracks or fissures that are evenly distributed across the invisible grain surface. As can be seen from these stereoscopic images, substantially all fissures are transverse. It is believed that the fissure causes more rapid and uniform penetration of hot water and steam into the rice grains, thus accelerating the cooking process. FIG. 7 is a perspective micrograph 75X of a Tybonnett rice product milled 24% moisture. The fissures are all transverse and substantially evenly spaced and patterned. As can be seen in FIG. 8, the fissures are uniformly patterned over a portion of the grain rather than the whole grain (as shown in FIG. 7). This difference can be explained by the fact that different rice varieties (Gulfments vs. Tybonnets) are used. Different rice varieties are believed to be affected differently. Some may, for example, require a higher or lower moisture content during milling to achieve the same result. In addition, apparent differences can be caused by different moisture contents (24% vs. 27%) used during milling. The difference may also be caused by the fact that the gulfment rice is milled in a horizontal milling apparatus (Satake RMB 10G) while the Tybonnett rice shown in FIG. 7 is milled in a vertical milling machine (Satate VTA05). Horizontal mills can provide different force components of stress / strain as compared to vertical mills that can cause different hot spot patterns. In addition, gulfment rice products are parboiled by a different method than Tybonnett rice. Gulfment rice is parboiled by a process similar to the method corresponding to US Pat. The feature may explain the differences between the grains shown in FIGS. 7 and 8. However, both grains have improved cooking properties and feel. Despite all the differences in materials / methods / apparatus as described above, very distinct fine fissure patterns are observed in both wet milling samples. Manipulation of the wet rice can be performed by flexing, impacting, sonic energy, impact or physical force providing the desired result. As described above, the manipulation must generate an application force in the overall alignment direction. For example, feeding the grain into simple rolling causes a non-uniform application of the force by compression. The grain is simply compressed. In addition, the grain is thicker at the center than the end, and the center is subjected to a greater amount of compressive force. As a result, the magnitude of the applied force is not uniform. However, when a series of flexible rollers are used, the applied force provides more uniform flexing, twisting and compression throughout the grain. Preferably, the operation is by milling. Milling puts the grain into a variety of forces, including compression, flexing, bending, twisting, and the like. As a result, the internal structure of the grain is manipulated unevenly. The crack density for the grains from the various modified samples is measured by counting the number of cracks per corrected eyepiece field of view, seen at 100-fold magnification. Count parallel and vertical cracks in the grain. The measurement results are provided in Table 2. Summary of Crack Density Sample crack parallel to the grain of rice per mm 2 * Split perpendicular to rice grains per mm 2 *1) 17% Tie Net 0 0 2) 19% Tie Net 0 8 3) 24% Tie Net 2 12 4) Typical Quick Cook Brand # 2 (long grain) 0 6 5) Typical Quick Cook Brand # 3 (long grain) 0 0 6) Typical Quick Cook Brand # 4 (Long Grain) 0 0 7) Typical Quick Cook Brand # 1 (long grain) One 9 8) 14% Tie Net 0 0 * Average of 10 sights Brand # 1 appears to have a high hot spot density, but it does not have a high water absorption (see Table 1). The "crack" examined in the stained samples is considered not to be a crack but instead is a simple surface irregularity. The fissure by wet milling according to the invention is believed to have a depth of at least 0.01 mm. This is confirmed by examining undyed samples of Brand # 1 rice products found to be substantially free of cracks. As can be seen from Table 2, the rice products prepared according to the present invention have different crack densities than conventional rice products. The uniform crack density of the grains of the present invention is believed to provide quick cookability, original appearance and improved texture. The method according to the invention involves manipulating or flexing the parboiled rice grains with a high moisture content causing uniform application of strain and stress to the grains throughout the grain size. Such processing results in the application of an array of multicomponent forces on the grain. Uniform application of stress and strain throughout the grain allows uniform cracking to occur throughout the structure. Preferably, the method is a. Hulling-removal from raw rice; b. Parboiling; c. Partial drying (optional) and cooling; d. Delamination; e. Mechanical manipulation of grain; And f. Drying and quick cooking rice production. Steps (d) and (e) can be switched or combined in sequence. Preferably, the base layer is removed and the grains are flexed simultaneously. In a preferred embodiment, the high moisture grains are wet milled so that the bed layer is removed and the grains are flexed at the same time. According to another aspect, the rice is a. Rice (ie, unshelled) is put into hydration (preferably about 34% moisture); b. Steaming the rice to paraboil and gel the rice; c. Dried to about 20-25% moisture; And d. ecdysis; e. Wet milling of rice; f. Dried and processed by a method comprising producing a quick cooked rice product. During the drying step (c), the outer layer of rice dries faster than the inner part. As a result, the overall rice moisture content is 20%, but for example, the moisture content is higher in the inner grain part of the rice, while the outer hull layer is drier. The husks need to be relatively dry to facilitate removal. One advantage of parboiled rice (ie having an outer husk) is an increase in overall grain yield. During pailing, previously broken rice grains are held together by the husk and stuck together by starch gelling. As a result, the percentage of broken rice in the rice condition is reduced by the "healing" generated during parboiling, thus improving the overall overall grain yield. However, the parboiled rice results in slightly darker colored rice compared to the brown rice parboiling process. Thus, the paboiling processor may involve brown rice (skin) or rice (with skin). Another aspect of the invention is illustrated by the flowcharts shown in FIGS. 10 and 11. 10 (A)-(G) illustrate a flow chart for the method according to the invention as compared to conventional methods for making quick cooked rice. 11 (A)-(D) illustrate the present invention and conventional method for instant rice production. More specifically, FIGS. 10 (A) and 10 (C) illustrate a flow chart of a conventional method of treating parboiled rice using dry milling. 10 (B) and (D) illustrate several preferred embodiments of the present invention with respect to processed parboiled rice using high moisture milling. As shown in Figures 10 (B) and (D), some drying and cooking may take place prior to milling. Drying I lowers the moisture content from 34% to 27%. Drying II drops from 27% to 20%. Complete by drying from 20% to 13%. The “additional step” shown in FIGS. 10 (E) to 10 (G) illustrates the additional steps typically required to produce quick cooked rice from dry milled parboiled rice. As can be seen by this flow chart, the present invention provides a simpler and more cost effective method of making quick cooked rice. Similarly, Figures 11 (A) through (D) are flow charts illustrating the advantages of using the present invention for producing instant cooked rice products. According to one preferred aspect, the rice passes through at least two, preferably three mills. Milling can be vertical or horizontal. Preferably the milling is vertical. Suitable mills include Satake Models RMB10G and VTA05 or similar larger size / capacity units or machines. Milling aids such as limestone powder may also be used. The type and milling speed of the milled stone used can be varied to optimize bran removal and quick cooking properties depending on the rice variety. The moisture content of the rice during milling should be at least 17% to 35%, preferably 19% to 30%, advantageously 21% to 28%, most preferably 23% to 25%. The moisture content used depends on a variety of factors including the desired result, the type of rice, pretreatment of the rice (ie, methods of parboiling, etc.), the means of operation, and the like. Moisture content as low as 17% may provide the benefit of the present invention depending on these factors. Appropriate moisture content can be determined by changing the level or reviewing the results. The precursor rice material of the present invention is preferably parboiled rice. As mentioned above, parboiled rice is usually defined as immersed, heat treated and dried rice. During the heat treatment step of the paboiling, the starch in the rice endosperate is substantially gelled. The parboiling process and the resulting gelation of starch have several beneficial effects as described above. The rice is immersed in brown water (not milled rice such as substantially from the field) in cold water or hot water for a considerable time until the rice grain has an increased moisture content, generally at least 25%; Rice can generally be prepared by steaming at ultra-atmospheric pressure to substantially gel at least 85% and 95-100% starch and wet mill the brown rice. According to the present invention, the steps of rehydration and drying in conventional quick cook / instant rice methods can be reduced or eliminated to produce quick cook or instant rice. In addition, crust removal may occur before or after parboiling. Thus, the rice can be milled directly after cooling and pailing or after the intermediate drying and cooling steps. EP-A-0 352 939 and US Pat. No. 5,316,783 describe two suitable methods for parboiling brown rice. One aspect of the invention relates to a method comprising the steps of hydration, steaming, milling and drying. After milling, the rice is instantiated or dried at low temperature until moisture reaches 13%. Process variables affecting rice quality are essentially factors that play a role in rice starch chemical reactions: moisture, heat, process time, and trace components in rice. Moisture in which the rice is milled and expansion of the rice in the instantification step are also important process variables. A summary of process variables and general effects on rice quality is illustrated in Table 3. Process Variables and Their Functions Process variables Process scope function effect Sign Language 31 to 35% moisture Equilibrium sign language Rice Starch Plasticizer Steam treatment condition 115 to 142 ° C Gelation Starch structure destruction Milling at high moisture 20 to 29% moisture Chaff milling and cell wall and membrane structure collapse Polished smooth surface and faster cooking / light texture Instantiation condition 185 to 210 ° C / 30s350 to 570 kg / m 3 Expansion of rice grain Fastest cooking, separate textures and stretches Hydration affects the quality of parboiled rice in terms of degree of gelation. Without equilibrium hydration, the middle of the rice grain is low in moisture. After paboiling, the low moisture rice center turns opaque (white bulge). This is due to the fact that at high parboiling temperatures, it is formed in the middle of the micro-heat grain (due to lack of moisture). If the rice is not fully hydrated, gelation will not complete unless higher vapor pressure / temperature is achieved. Gelation of starch is a process of melting crystalline amylopectin chains with the aid of water. The degree of gelation affects the cooking quality of rice, and therefore the degree of hydration indirectly affects rice cooking quality. Rather than doing other work, steaming (or parboiling) contributes to the cooking quality of the rice. During steaming, starch granules expand, dissolve in water and release more fragments of amylose and absorb more moisture if used. In general, cooked rice texture hardens as the degree of gelation increases. Since the starch molecules in the granules are heterogeneous, the gelling method is a granule size, gelling temperature, starch molecular composition / batch and starch: water concentration. The higher the temperature and the longer time the steam is steamed, the more gel it becomes. At conventional parboiling pressures, long parboiling times in saturated vapors lead to more moisture absorption leading to continuous hydration with spontaneous gelling. As mentioned above, milling of the parboiled rice is usually performed at 13% moisture when the rice is hard and glassy. At a moisture content of about 20% or more, the parboiled rice has a viscoelastic texture. When milling is performed at this moisture level, the rice flexes and bends in the milling chamber, apparently causing breakage of the intercellular structure. The result is a rice with a very smooth shiny surface and a shorter cooking time than conventionally parboiled rice. Since milling is carried out on a soft surface, the stratum corneum up to the sub-homogeneous layer is "peeled off or peeled off" by abrasive millstone. This keeps amyloplasm cells intact. This is confirmed in FIGS. 12 and 13, secondary electron micrographs of Tybonnett rice milled at 14% moisture (FIG. 12) and 24% moisture (FIG. 13). Figure 12 (b) illustrates the rough torn surface of 14% moisture rice as compared to Figure 13 (b) which confirms that the 24% moisture rice has a smoother surface. During cooking, the cooked rice surface is still smooth after the starch granules have absorbed three times the amount of water at the end of the cooking. It is believed that the oily intercellular structures in the embryo can be damaged during milling at high moisture. This breakdown allows for faster moisture diffusion into the rice and thus faster cooking and higher water uptake. This physical change is a function of rice grain flexibility. At higher moisture contents, rice is softer and more flexible than at lower moisture contents. Therefore, the effects of bending, collision and flexing affect the internal cellular structure and the degree of intercellular structure damage is more severe. Rice milled at higher moisture cooks faster and has a lighter texture than rice milled at lower moisture. Another preferred aspect of the invention (a) treating the brown rice with water to a boiling point to increase the water content to 17-30%; (b) steaming the treated rice at a temperature of 100-125 ° C. to increase the water content to 19-32%; (c) heating the steamed rice under pressure in a sealed container using dry heat to a minimum temperature of about t ° C. where t is 195-2.5 M and M is the moisture content of the steamed rice, for about 1-5 minutes; ; (d) reducing the pressure on the rice to atmospheric pressure over 1 to 10 minutes, thereby evaporating water from the heated rice and reducing the temperature of the water to about 50 ° C., so that its water content is 17 to 27%; (e) milling the parboiled rice at a moisture content of 17% to 32%; and (f) drying the milled rice with microbiological stability (c. 14%). Preferably, the wet milling step (e) is carried out in rice having a water content in the range of 19% to 27%. Milling rice grains with very high moisture content, such as 32% or more, usually results in products with textures that are somewhat different from rice, in more detail resembling the texture of pasta. For this reason, milling is preferably carried out at a moisture content of 19% to 27%. At this moisture content, the rice grains return to their original state so that breakage losses during milling are also reduced. Preferably, the dry heating step (c) is carried out by applying microwave or high frequency energy to the steamed rice in a sealed vessel under pressure. Preferably, the rice is maintained at 133-137 ° C. for an additional 1-5 minutes in step (c). Preferably step (d) is carried out for 1 to 4 minutes to achieve a water content of 22 to 27%. Preferably the wet milling step (e) of the process of the invention is carried out in rice or at a temperature slightly above room temperature, typically at 20 to 50 ° C. In general, the choice of a higher moisture content for the milling step (e) produces a faster cooked dry milling product. Depending on the rice variety at milling and the moisture level at milling, a cooking time as low as 5 minutes for the product can be achieved and the cooked rice has an original appearance and texture. Drying step (f) is usually carried out at atmospheric pressure with hot air as is typical for the paboiling process. However, in certain preferred embodiments, drying step (f) is carried out quickly to achieve an "instant" rice product. That is, the rice product may be cooked in boiling water with an acceptable texture in less than 5 minutes (see definition above). High-speed drying can be performed under reduced pressure, or by rapid heating to produce a puff of the product. Instant rice products usually do not have a natural rice appearance. Another aspect of the present invention regarding the benefits achieved by milling rice at high moisture is that the rice can be instantiated immediately after milling without additional cooking or hydration steps. Therefore, one aspect of the present invention relates to instantaneous wet milling of rice products following wet milling. "Instantiation" may include micronization, puffing, and the like. The volume expansion of high moisture milled rice is practically correlated with gelation, moisture content and instantiation temperature. The higher the expansion, the more porous rice structures and therefore the faster the cooking. However, instantized rice “remembers” the effects from high moisture milling prior to texture and instantification from steaming conditions. Instantiation prior to degenerate parboiling and / or drying) keeps the rice in soft and fully gelled conditions. The energy required for instantiation to achieve the desired volumetric expansion is lower because the rice is still not degenerated. Lower instantiation energy means lower instantiation temperature, thus less desirable discoloration and higher instant rice quality. As mentioned above, when the rice is milled at higher moisture, the rice has a softer texture and cooks faster. After instantiation, the rice has a significant further reduction in cooking time due to the faster rate of water diffusion into the porous structure. Instant rice of the present invention has improved separation and improved cooking volume yield. The quality of instant cooked rice is also superior to that of current instant rice products currently available in terms of appearance. One aspect of instant rice production is as follows. (a) treating the brown rice with water at a temperature below the boiling point to increase the water content to 17-30%; (b) steaming the treated rice at a temperature of 100-125 ° C. to increase the water content to 19-32%; (c) heating the steamed rice under pressure in a sealed container using dry heat under pressure to a minimum temperature of about t ° C., where t is 195-2.5 M and M is the moisture content of the steamed rice, for 1-5 minutes; ; (d) reducing the pressure on the rice to atmospheric pressure over 1 to 10 minutes, thereby evaporating water from the heated rice, reducing the temperature of the water to about 100 ° C. and bringing its water content to 17 to 27%; (e) milling the parboiled rice at a water content of at least 17% and 32%; (f) The milled rice is dried at 120 ° C. to 200 ° C. for 1 to 5 minutes with microbiological stability (c. 14%). The invention also provides an instant rice obtainable by the process according to the invention. Preferably the instant rice has a cooking time of up to 2 minutes in boiling water at 100 ° C. (see definition above). According to another aspect, instant rice is a "easy to eat" crispy product. The following examples illustrate some products and methods for their preparation that fall within the scope of the present invention. They should of course not be considered in a way that limits the invention. A range of rice types, parboiling methods, moisture levels during milling or manipulation, milling or operating time, volume of rice and speed through the mill, type of mill used, milling or operating temperature, and ratios of a number of changes and variations Can be made with respect to the present invention including selection of operating time and temperature and the like. Example 1 US varieties (gulfments) raw brown rice is hydrated in the atmosphere for 2 to 3 hours at 5 ° C. to below gel temperature (T g ). The moisture of the rice achieves an equilibrium moisture content of 33%. Dehydrate the rice completely. The rice is then steam parboiled at 15-20 psig (121-125 ° C.) for 2-6 minutes. Rice has about 32% moisture after steaming. After paboiling, the brown rice loses birefringence under polarized light. The rice is then dried by forced air in the 20% to 28% moisture range. The partially dried rice is milled by three passes through an abrasive horizontal mill (in a conventional milling run, the rice is dried to 13-14% before milling). After milling, the rice is dried to 13-14% moisture. The following methods and standards are used for rice testing or evaluation: Bulk Density (kg / m 3 ) Dry Rice: Pour 200 g of rice slowly into a 1000 ml graduated cylinder. Flatten the top without shaking the cylinder. Read the volume from the top of the rice level. To hold the rice well and read the volume for maximum bulk density, tap the cylinder 3 or 4 times at the bottom in a vertical motion. The minimum bulk density is derived by shaking the cylinder several times in vertical motion, flattening the rice and then reading the volume for the bulk density calculation. Bulk density = 200 (g) / rice volume (ml) x 1000 kg / m 3 Cooked Rice: Measure the measuring cup (79 mL) without filling and fill 1/3 cup of cooked rice. Weigh the rice and subtract the weight of the measuring cup. Bulk Density = Total Weight-Cup Weight / Cup Volume (mL) x 1000 kg / m 3 Rice size (mm) Main three axes-50 rice grains are measured with calipers along length, width and circumference (minimum size). Size is expressed as mean and standard deviation of 50 grains. Cooking evaluation Water absorption: Take 750 ml of tap water (tap) 1/2 qt. Boil on a gas stove in a pot, pour 100 g of dry rice (about 12% w.b.) in boiling water, cover, reduce heat to boil (medium heat) and start time adjustment. After the preset cooking time, turn off the fire and pour rice and water into the filter. Drain for 2 minutes. Weigh cooked rice. Water absorption = cooked rice weight (g) / dry rice weight (100 g) Shear Press Value (Ruggedness) Test After 10 minutes of rice cooking, 50 g of cooked rice is used for the shear press test. 50 g of cooked rice samples were placed inside a Kramer shear press cell and fitted with a Food Technology Corp. FTA-300 load cell strain gauge. Compression is applied at a rate of 10 cm / min on the TG4C model. The maximum shear press value of a single compression test is used as an indicator of rice firmness. The following is a typical sensory texture substrate of cooked rice illustrating the adaptability of the values described in Tables 4-6 and FIGS. 14 and 15. Robustness Correlated with shear press values: More than 50 kg of hard 40 to 45 kg or more solid 30 kg or less Cohesive Correlated with water absorption. Less than 2.5 brittle Soft about 2.7 to 2.8 More than 3.4 Crushing degree Useful for substrates of white rice cooked textures that are overcooked will have a hard, brittle center, and overcooked are cohesive. Sword It is correlated with the shear press value and the moisture of the rice. Holding for long periods of time (such as in steam tables for food sector rice) may be useful for describing cooked rice. Shear presses over 50 kg 67% w.b. Less than Shear presses up to 20 kg 75% w.b. Moisture over Starch It is also for describing a white rice cooked texture as it relates to the preservation of the grain on the surface. Tooth packing Correlated with water absorption. Adhesion and gumability 2.5 or less Loose and Occlusion 2.7 or higher The properties of the resulting product are listed in Tables 4-6. Water Absorption and Shear Presses of Gulfment Rice Processed and Milled at Different Moisture Dry Rice Properties: Before Process (Process) Rice varietiesGulfment-milling white rice Processingrough Milling moisture12% moisture Bulk density785 kg / m 3 minUp to 870 kg / m 3Grain length6.9 mm0.3 mm stdv. Grain width2.2 mm0.1 mm stdv. Grain circumference1.7 mm0.1 mm stdv. Water Absorption and Shear Presses of Gulfment Rice Processed and Milled at Different Moisture Dry Rice Properties: After Process (Treatment) Test Sample 1-12% Moisture Milling kindGulfment-milling parboiled rice Processing5 minutes at 123 ° C Milling moistureMilling at 12% moisture Bulk Density (kg / m 3 )800 minimumUp to 885 Grain length7.2 mm0.3 mm stdv. Grain width2.2 mm0.2 mm stdv. Grain circumference1.5 mm0.1 mm stdv. Test Sample 2-20% Moisture Milling kindGulfment-milling parboiled rice Processing5 minutes at 123 ° C Milling moistureMilling at 20% moisture Bulk Density (kg / m 3 )800 minimumUp to 833 Grain length7.0 mm0.3 mm stdv. Grain width2.2 mm0.2 mm stdv. Grain circumference1.6 mm0.3 mm stdv. Test Sample 3-27% Moisture Milling kindGulfment-milling parboiled rice Processing5 minutes at 123 ° C Milling moistureMilling at 27% moisture Bulk Density (kg / m 3 )At least 784Up to 833 Grain length6.5 mm0.5 mm stdv. Grain width2.1 mm0.1 mm stdv. Grain circumference1.6 mm0.1 mm stdv. Cooked Rice Properties: Paboiled Gulfment Rice Milled at Different Moisture (see FIG. 5)Test Sample 1-12% Moisture Milling Cooking time (minutes)Water absorptionShear value (kg 50g sample)Bulk Density (kg / m 3 ) 82.2773.0570 102.4254.3641 122.6547.6637 142.7439.1625 162.8533.3645 183.0830.2613 203.1628.0615 Test Sample 2-20% Moisture Milling Cooking time (minutes)Water absorptionShear value (kg 50g sample)Bulk Density (kg / m 3 ) 82.2468.4602 102.5846.7697 122.6842.6692 142.8434.9671 163.0031.7647 183.1830.7612 203.3826.1697 Test Sample 3-27% Moisture Milling Cooking time (minutes)Water absorptionShear value (kg 50g shear)Bulk Density (kg / m 3 ) 82.3652.5554 102.7035.3687 122.7831.7654 142.9628.4667 163.1623.3660 183.4022.3676 203.6023.7694 As shown in Table 5, gulfment varieties of rice are milled at 12%, 20% and 27% moisture. As can be seen by comparing the size (length, width and perimeter) of the grain before milling (Table 4) without parboiling and after parboiling with dry milling and after weaving with wet milling (Table 5). Likewise, parboiling and milling do not significantly change the size and shape of the rice. Table 6 lists various cooked rice properties such as water uptake, shear value and bulk density. Water uptake and shear values for 12%, 20% and 27% moisture milled rice are shown in FIGS. 14 and 15. FIG. 14 shows that for 12% milled rice, the water absorption is below 20% and 27% at cooking times of 10-20 minutes. Although rice uptake may seem comparable at 8 minutes for 12% and 20% moisture rice, the level of “cooking” is believed to be different. This is confirmed by referring to FIG. 15 which illustrates the shear value of rice at different cooking times. As can be seen from this figure, the shear value (hardness) of 20% to 27% rice is always significantly less than 12% rice. Thus, the water absorption of 12% rice is comparable to 20% rice in 8 minutes, and 73 kg 12% rice shear value compared to 68.4 kg for 20% rice, 20% rice cooked faster than 12% It is displayed. In addition, the shear value for 12% rice at 10 minutes is 54.3 kg compared to 46.7 kg for 20% rice. Cooked rice should have a shear value of 50 kg or less for good taste (ie suitable firmness). Thus, 20% rice is cooked faster than 12% rice. Example 2 (a) Preparation of Rapid-Cooking Rice Two 500 kg samples of non-bran huled rice varieties (Cypris and Tybonnet) are fed to a high temperature stepper bath containing water at 71 ° C. The residence time of the rice in water is 4.5 minutes. During the passage through the stripper, the moisture in the rice rises to 25%. The rice is then transferred and dewatered to remove surface water from the rice. The residence time in the belt of rice is 30 to 60 seconds. The rice is fed directly from the belt to the steamer where steam at 106 ° C. and about 0.20 bar overpressure is applied to the rice. The residence time of the rice in the steamer is 30 minutes. During the passage through the steamer, the water in the rice increases to about 28% and the temperature rises to 106 ° C. The steamed rice is then fed to a continuous microwave unit operating at 133-136 ° C. and overpressure of about 3.5 bar. The residence time of the rice in the microwave unit is 4 minutes. During the residence time in microwave units, the starch of the rice grains gels completely. The rice then passes to a pressure reduction system where the pressure on the rice is released in two to three stages over one to six minutes. During this time, the temperature of the rice drops to about 100 ° C., its moisture decreases to about 25% and the pressure drops to atmospheric pressure. In a first embodiment, about 25% moisture of rice is cooled to about 35 ° C. and then milled as described above. To provide a comparative example, a portion of the rice is further dried to 14% moisture in a conventional grain dryer and then cooled to about 35 ° C. and milled as described above. If the drying of the rice is carried out in a conventional grain dryer, the resulting dry milled rice has the smooth glassy appearance characteristics of the milled parboiled rice. Similar appearance is achieved with samples milled at 14% and 24% moisture. (b) Preparation of Instant Rice The brown rice is paboiled and milled to a moisture content of 19% and 24% moisture as described above. The milled wet rice is instantiated by hot air drying at 10 seconds-120-270 ° C. for 10 seconds to 7 minutes. A typical example is the treatment of wet milled rice for 2.5 minutes at 174 ° C. in 24% moisture. Drying conditions will produce a reduced bulk density, preferably the product has a bulk density in the range of 300 to 600 kg / m 3 . The result is a product with a cooking time of up to 5 minutes depending on the degree of expansion obtained. (c) Evaluation of cooking texture After wetting the wet milled rice obtained in (a) for 10 minutes, the texture of the rice is evaluated. Softer and more desirable 10 minute texture levels are achieved in rice milled at 24% moisture content compared to conventional 20 minute-cooked rice. The results are shown in FIG. Sensory Analysis of Rice Products Prepared According to the Invention Quality of 24% Moisture Wet Milled Tybonnet Rice-8 and 10 Minute Cooking- Versatile Paboiling (Lemon Montt 14% Moisture Milling) 20 minutes and normal Quick Cook (14% Moisture Milling) 10 minutes Rice Evaluate. 14% moisture milling Compared to quick cook 10 minute rice, wet milling rice is more viscous, has a slightly whiter appearance and is less scattered and milled better. With respect to 10 minute cooking, wet milling rice is as soft as 20 minute cooking conventional parboiled rice and 8 minute cooking wet milling rice is softer than 10 minute 14% milled quick cooked rice. In terms of flavor and odor, the researchers note that 14% milled quick cook 10 minute rice has a less good flavor and taste. 1. Tested Products: -1) 24% milling wet milling machine Tybonnet (Wm) 10 minutes cooking -2) 24% milling wet milling machine Tybonnet (Wm) 8 min cooking -3) 14% milling tybonnet 10 minutes cooking -4) 14% milling Lemont 20 minutes cooking 2. How to Ten studies trained on a given descriptor present test groups in random order over a series of two trials. Each sample is tested at least twice. Scores for each product and each descriptor are collected and analyzed statistically. 3. Results (see Figure 16) Significant differences (based on 95% level) are detected for the following parameters. parameterDifferenceImportance level smellTybonnet 10 '(14%) 10' wm better than quick cook* flavorTybonnet 10 '(14%) better than quick cook 8 and 10'wm* Water / mouthTybonnet 10 '(14%) Lemont 14% more than quick cook 20 minutes cook** Smooth GrainTybonnet 10 '(14%) 8' wm and 10'wm more than quick cook* Viscosity10 'Tougher than wm 8' wm and 10 'Tybonnet (14%) Quick cook Lemont 14% Milling 20' Harder than 8'wm10'wm and Lemont 14% Milling 20 'Tighter than 10' cooking '(14%) quick cooking****** Stickiness8 'and 10'wm and Lemont 14% milling Less than sticky 20' cooking Tybonnets 10 '(14%) quick cooking*** ColorLemont 14% Milling 20 '8'wm darker than 20' and Tybonnets 10 '(14%) Quick Cooking Lemont 14% Milling 20' Thicker than 10'wm10'wm Darker than 10'wm10'wm %)****** millingTybonnets 10 '(14%) Better than Quick Cooked Lamont 14% Milling 20' Cooked Thaibonnets 10 '(14%) Quick Cooked and Lemonon 14% Milled 20' Better than Cooked 8 'and 10'wm**** ScatteredTybonnet 10 '(14%) Fast Cooking and Lemont 14% Milling 20' Better than 20 'Cooking 8' and 10'wm*** Grain lengthLemon '14% Milling 20' Longer than 10'wremont 14% Milling 20 'Longer than Cooking 8'wm & Tybonnet 10' (14%) Quickly cooked***** Grain thicknessLemont 14% milling Tibonnet 10 '(14%) thinner than 20' cooking Quickly and 8 'and 10'wm** Sensory Analysis of Cypress Rice Products: Wet milling Cypris Rice-14% Moisture & 24% Moisture-Tybonnet 10 minutes 14% Rapid Milling and 8 minutes with low bulk density Evaluate the quality of a conventional quick cooked rice (Cnv-Qc). Exterior: Overall 24% moisture wet milling rice gets the best score in scattering, milling and color. Compared to Cnv-Qc rice, the two wet milled rice products have a less sticky, whiter appearance and less scatter, better milling and longer but thinner grains. Tybonnett 10 minutes 14% milling Compared to fast milling rice, both wet milling products have better milling and less scattering. Texture: Cypris 14% Moisture Milling and Tybonnet 10 minutes 14% Milling Quick cooked rice is harder than 24% Cypris and Cnv-Qc. Both groups get very similar scores. About smell and taste Cypris 24% and Cnv-Qc get the worst scores compared to 14% moisture milling products and Tybonnet 10 minutes 14% milling quick cooked rice. Tested Products: -1) 24% milling wet milling cypris (wm) 10 minutes cooking -2) Cnv-Qc-8 min cooking -3) Tybonnet 10 minutes 14% milling quick cooking 10 minutes cooking -4) 14% cooked cypris 10 minutes cooked Way Ten studies trained on the descriptors presented the test samples to the group in random order over a series of two trials. Each sample is tested at least twice. Scores for each product and each technician are collected and analyzed statistically. 3. Results (see Figure 16) Significant differences (based on 95% level) are detected for the following parameters. parameterDifferenceImportance level smellTybonnets 10 '(14% culling) 24% worse than quick cooking 10'wm14% Cypris 10' 24% worse than 10'wm*** flavor14% Cypris Worse Than Cnv-Qc 14% Cypris Worse Than 24% wm 14% Cypris Worse Than 24% wm**** ViscosityTybonnet 10 '(14%) Quick Cook & 24% Softer Than 14% (Cyprise) WM & Cnv-Qc Rice* StickinessMore Tybonnets 10 '(14%) quicker than Cnv-Qc14% (Cyprise) more than all rice**** Color24% wm whiter than Cnv-Qc rice 24% whiter than 10 '(14%) & 14% (cyfris) white 24% wm whiter than Cnv-Qc******* millingCnv-Qc, Tybonnet 10 '(14%) 24% Better Than Quick Cooking WM14% (Cyprise) Better Than 24% Wm Better Than Cnv-Qc Rice 14% Cypristine Bonnet 10' (14%) Faster 14% cypris better than cooking******** ScatteredCnv-Qc Rice, Tybonnet 10 '(14%) Quick Cook and 14% Better Than Cyprus 24% wm Cnv-Qc Rice Better Than 14% Cypristine Bonnet 10' (14%) Better Than Quick Cook 14 % Cypris****** Grain length24% longer than Cnv-Qc rice and 14% (Cypris) Tybonnet 10 '(14%) faster than Cnv-Qc rice***** Grain thickness24% wm thinner than Cnv-Qc rice and 14% (cypris) Tibonnet thinner than Cnv-Qc rice 10 '(14%) quick cook**** (d) Effect of wet milling on cooking yield The effect of wet milling on the cooking yield of dry parboiling rice products obtained by the process of the invention is illustrated in Table 1 above. It can be seen that the wet milling step produces improved cooking yields compared to dry milling fast cooked rice. The above-described aspects of the present invention may exist in aspects of the present invention or in a combination thereof. The above description of the invention is illustrative and not intended to be limiting. Various changes or modifications of the described embodiments may occur to those skilled in the art. These may be made without departing from the spirit or scope of the invention.
权利要求:
Claims (39) [1" claim-type="Currently amended] It is a paboiled and milled quick cooked rice that has its original appearance both before and after cooking and has a large number of microbulbs on the surface portion of the grains of rice and water absorption of more than 220 g per 100 g of dry rice after 8 minutes of cooking in excess water. [2" claim-type="Currently amended] 2. The rice of claim 1, wherein the plurality of microspheres have an average width of 0.1 mm or less and are arranged substantially uniformly on the surface of the individual grains. [3" claim-type="Currently amended] 3. The rice of claim 2, wherein the plurality of microcracks are interconnected to form a web-shaped pattern comprising a plurality of lateral microcracks and a plurality of longitudinal microcrayons. [4" claim-type="Currently amended] 4. The rice of claim 3, wherein the substantially transverse micro sulcus has an average density greater than the average density of the substantially longitudinal micro sulcus on the individual grain surface. [5" claim-type="Currently amended] 2. The rice of claim 1, wherein the individual grains have a substantial original appearance when viewed with the naked eye. [6" claim-type="Currently amended] 2. The rice of claim 1, wherein the individual grains are not substantially altered when viewed visually. [7" claim-type="Currently amended] The rice of claim 1, wherein the water absorption of the rice after immersion in water at 100 ° C. for 8 minutes is 230% or more based on the weight of the uncooked rice. [8" claim-type="Currently amended] 2. The rice of claim 1 wherein the water absorption of the rice after immersion in water at 100 ° C. for 10 minutes is increased by at least 5% compared to identically parboiled rice of the same varieties and origins without microcrayons. [9" claim-type="Currently amended] The rice of claim 1, wherein the individual grains have a substantially constant solid density throughout them. [10" claim-type="Currently amended] 4. The rice of claim 3 wherein the density of transverse microscopy having a width of 0.01 to 0.1 mm is at least about 5 microsegments / mm 2 . [11" claim-type="Currently amended] 4. The rice of claim 3 wherein the density of transverse microbulbs having a width of 0.01 to 0.1 mm is about 8 microbulbs / mm 2 . [12" claim-type="Currently amended] 4. The rice of claim 3 wherein the width of the transverse microbulbs is substantially in the range of 0.02 to 0.1 mm. [13" claim-type="Currently amended] 4. The rice of claim 3 wherein the density of the transverse surface microbulbs is between 5 and 50 cracks / mm 2 . [14" claim-type="Currently amended] The rice of claim 1, wherein the uncooked rice has a bulk density of at least 730 kg / m 3 . [15" claim-type="Currently amended] The rice of claim 1, wherein the rice can be cooked into an edible texture that is substantially free of hard centers by soaking in water at 100 ° C. for up to 10 minutes. [16" claim-type="Currently amended] 2. The rice of claim 1, wherein the individual grains are substantially translucent and free of white belly under both standard light and polarization. [17" claim-type="Currently amended] 2. The rice of claim 1 wherein the surface of the individual grains are substantially free of microscopic sized bollards and grooves caused by conventional dry milling processes. [18" claim-type="Currently amended] Providing parboiled rice at a substantially uniform moisture content of at least 17% by weight; Mechanically manipulating the parboiled rice with a moisture content of at least 17% by weight to create transverse surface microbulbs in the individual grains without substantial plastic deformation of the individual grains; Drying the boiled rice with microbiological stability to produce a rapid cooking rice having a substantial intrinsic appearance before and after cooking and cooking for 8 minutes in excess water with a water absorption of at least 220 g per 100 g of dried rice. Method for producing a quick cooking rice comprising. [19" claim-type="Currently amended] 19. The method of claim 18, wherein the moisture content is at least 19% by weight. [20" claim-type="Currently amended] The method of claim 18 wherein the moisture content is about 24%. [21" claim-type="Currently amended] 19. The method of claim 18, wherein the parboiled rice is brown rice and the mechanical treating step comprises milling the brown rice to remove bran from it. [22" claim-type="Currently amended] 22. The method of claim 21 wherein milling is performed in a vertical rotary mill. [23" claim-type="Currently amended] 19. The method of claim 18, wherein the mechanical treatment step is performed at an initial temperature of 10 to 50 ° C. [24" claim-type="Currently amended] Fast cooking rice produced by the method according to claim 18. [25" claim-type="Currently amended] 19. The method of claim 18, wherein (a) the brown rice is treated with water at a temperature up to its boiling point to increase the water content to 17-30%; (b) steaming the immersed rice at a temperature of 100 to 125 ° C. to increase the water content to 19 to 32%; (c) steamed rice is heated in a sealed container using dry heat under pressure to obtain approximately t ° C. (where t = 195-2.5 M and M is the moisture content of the steamed rice in%). Heating to minimum temperature for 1 to 5 minutes; (d) reducing the pressure on the rice to atmospheric pressure over 1 to 10 minutes, allowing water to evaporate from the heated rice, reducing its temperature to approximately 100 ° C. and the moisture content to 17 to 27%; (e) milling the rice at 17 to 27% moisture; (f) drying the milled rice with microbiological stability. [26" claim-type="Currently amended] 27. The method of claim 25, wherein the drying step (f) comprises instantifying the parboiled and milled rice to produce instant rice. [27" claim-type="Currently amended] The method of claim 25, wherein in step (a), the water is at a temperature of 50 to 95 ° C. and the treatment is performed to increase the water content of the rice to 20 to 24%. [28" claim-type="Currently amended] 26. The process of claim 25 wherein during the steaming step (b) the water content of the rice is increased to 22-30%. [29" claim-type="Currently amended] The method of claim 25, wherein steps (a) and (b) are merged. [30" claim-type="Currently amended] 26. The method of claim 25, wherein the dry heating step (c) is performed by applying microwave or high frequency energy to steamed rice under pressure in a sealed container. [31" claim-type="Currently amended] The method of claim 25, wherein in step (c), the rice is maintained at t ° C. for an additional 1 to 5 minutes. [32" claim-type="Currently amended] The method of claim 25, wherein after the step (d) and before the step (e), the rice is tempered by maintaining the water content of 17 to 24% for 5 to 60 minutes at a temperature of 80 to 100 ° C. [33" claim-type="Currently amended] 19. The method of claim 18, further comprising: (a) soaking the precursor rice in water so that the starch of the rice has a sufficiently high moisture content that can be substantially fully gelled; (b) exposing the rice to a hot gaseous medium flow at a temperature and for a time such that the starch of the rice gels and the surface of the rice dries significantly; (c) wet milling the rice at a water content of about 18 to 30 weight percent. [34" claim-type="Currently amended] 34. The method of claim 33, wherein the precursor rice is rice and the rice is partially dried and stripped after step (b). [35" claim-type="Currently amended] Providing a parboiled rice at a substantially uniform moisture content of 19-30 wt%; Mechanically manipulating the parboiled rice to create transverse surface cracks in the individual grains without substantial plastic deformation of the individual grains; Instantaneously mechanically manipulated rice grains; A method of producing ready-to-cook rice comprising drying the instantized rice with microbiological stability such that an instant cooked rice having a water absorption rate of 220 g or more per 100 g of dried rice after cooking for 5 minutes in excess water is produced. [36" claim-type="Currently amended] 34. The method of claim 33, wherein the mechanical manipulation of the rice is by wet milling. [37" claim-type="Currently amended] The rice of claim 1, wherein the uncooked rice has a bulk density within 10% of an equivalent conventionally parboiled rice. [38" claim-type="Currently amended] 2. The rice of claim 1 wherein the water uptake is at least 300 g per 100 g of rice when the rice is immersed in 100 ° C. water for an extended period of time without losing the integrity of the grain. [39" claim-type="Currently amended] Providing parboiled brown rice at an average moisture content of 17 to 30%; Milling brown rice at said average moisture content to remove bran from it; A method for producing rapid cooking rice comprising the step of drying the milled and parboiled rice with microbiological stability.
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同族专利:
公开号 | 公开日 DK923313T3| IN183687B|2000-03-18| JP2000513221A|2000-10-10| PL330811A1|1999-06-07| AT251850T|2003-11-15| AU717393B2|2000-03-23| JP3649339B2|2005-05-18| DE69738032T2|2008-05-15| AT369754T|2007-09-15| PL185722B1|2003-07-31| AU3389497A|1998-01-14| US6416802B1|2002-07-09| EP1867240B1|2009-10-07| CA2257982C|2003-03-25| KR100349583B1|2003-02-05| ES2291418T3|2008-03-01| BG64686B1|2005-12-30| EP1867240A2|2007-12-19| DK0923313T3|2004-02-16| AR007655A1|1999-11-10| ES2208919T3|2004-06-16| DE69739618D1|2009-11-19| EP1304042A1|2003-04-23| TW389672B|2000-05-11| EP1304042B1|2007-08-15| RO120375B1|2006-01-30| EP1867240A3|2008-04-09| CZ425298A3|1999-11-17| EP0923313A1|1999-06-23| BR9710067A|1999-08-10| CA2257982A1|1997-12-31| EP0923313B1|2003-10-15| DE69725591D1|2003-11-20| WO1997049300A1|1997-12-31| ZA9705462B|1998-02-19| AT444682T|2009-10-15| DE69738032D1|2007-09-27| ES2331716T3|2010-01-13| DE69725591T2|2004-08-05| BG103116A|2000-05-31| EP0923313A4|1999-09-01|
引用文献:
公开号 | 申请日 | 公开日 | 申请人 | 专利标题
法律状态:
1996-06-27|Priority to US67136396A 1996-06-27|Priority to US08/671,363 1996-06-27|Priority to US8/671,363 1997-06-13|Application filed by 레너드 제이 샌디시, 엉클 벤즈, 인코포레이티드 2000-04-25|Publication of KR20000022196A 2003-02-05|Application granted 2003-02-05|Publication of KR100349583B1 2005-05-02|First worldwide family litigation filed
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