• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The present invention relates to a method for producing consumer-ready vegetables, mushrooms or herbs, comprising the steps of a) culturing vegetables, mushrooms or herbs in a closed container under suitable growing conditions until maturity; and b) transferring the container with the mature vegetable, mushrooms or herb to a retail outlet, wherein the vegetables, mushrooms or herbs are cultured in a container that comprises a plant compartment for containing the vegetables, mushrooms or herbs and a separate water compartment for containing water and nutrients, wherein one of the two compartments is provided with means for allowing water and nutrients to enter the plant compartment while preventing contaminations and pathogens from entering the said plant compartment. Preventing contaminations is achieved a filter that is permeable to water and nutrients but impermeable to contaminations and pathogens, such as viruses, bacteria, fungi, protists or insects, preferably located in the bottom of the plant compartment. Suitably, the plant compartment comprises means for transporting water and nutrients entering the plant compartment to the vegetables, mushrooms or herbs.
    公开号:NL2018202A
    申请号:NL2018202
    申请日:2017-01-20
    公开日:2017-07-24
    发明作者:Petrus Adrianus Roeland Voermans Wilhelmus；Diana Van Der Laken Jeanette
    申请人:Rijk Zwaan Zaadteelt En Zaadhandel Bv；
    IPC主号:
    专利说明:

    IMPROVED METHOD FOR PRODUCING CONSUMER-READY VEGETABLES, MUSHROOMS OR HERBS IN A BOX
    The present invention relates to an improved method for producing consumer-ready vegetables, mushrooms or herbs. The invention also relates to a set that comprises the constituents for performing the method and a container comprising the vegetable, mushrooms or herbs in any developmental stage.
    Vegetables, mushrooms and herbs are traditionally produced by specialized growers in greenhouses or on fields. After harvest, the produce needs to be transported to a retail outlet. The transportation costs have an impact on the final consumer price. Moreover, it is sometimes necessary to store the produce before it is distributed. For certain products this may require specialized storage facilities. WO2014/056869 discloses a new' way of producing vegetables, herbs and mushrooms that leads to lower costs and a fresher product by way of a method for producing consumer-ready vegetables, mushrooms or herbs, comprising the steps of: a) culturing vegetables, mushrooms or herbs in a closed container under suitable growing conditions until maturity; and b) transferring the container with the mature vegetable, mushrooms or herb to a retail outlet.
    It was now found that in this system the humidity in the closed container may become too high which could adversely affect the plant growth. Furthermore, there is a high risk of contamination of the growth medium by pathogens, especially w'hen the growth medium comprises nutrients which promote bacterial growth.
    It is the object of the present invention to provide an improved method in which one or both of these problems are solved.
    In the research lading to the invention it was found that when the plants are kept separated from the wuter and nutrients, contamination of the plants is avoided.
    The invention thus relates to a method for producing consumer-ready vegetables, mushrooms or herbs, comprising the steps of: a) culturing vegetables, mushrooms or herbs in a closed container under suitable growing conditions until maturity; and b) transferring the container with the mature vegetable, mushrooms or herb to a retail outlet, characterized in that the vegetables, mushrooms or herbs are cultured in a container that comprises a plant compartment for containing the vegetables, mushrooms or herbs and a second separate water compartment for containing water and nutrients, wherein one of the tw'o compartment is provided with means for allowing water and nutrients to enter the plant compartment while preventing contaminations and pathogens from entering the said plant compartment.
    The means for allowing water and nutrients to enter the plant compartment while avoiding that contaminations and pathogens enter the inner compartment are suitably formed by a filler. The filter is suitably integrated in the side of the container that is in contact with the water, usually the bottom.
    The two compartments are separated from each other but are in liquid contact via the filter thus allowing the water compartment to provide water to the plant compartment for the growth of the plants, mushrooms or herbs. In particular embodiments, that will be described further below, one of the compartments is located within the other compartment.
    In this respect, a filter can be made of any material that is permeable to water and nutrients but does obstruct the passing of bacteria, molds, yeast or any other micro-organism that could affect the growth of the vegetable, herb or mushroom present in the compartment. Such filters and filtration methods to sterilize liquids are known in the art. Several materials are known and used for the filtration include nylon, polycarbonate, cellulose acetate, polyvinylidene fluoride (PVDF), and polyethersulfone (PES). There are three important aspects in which these filter material might differ such as protein retention, flow rate and the presence of leachable materials. Another important aspect is the pore size that is applied in a filter. The pore size also relates to the type of micro-organism that should be kept out. For bacteria well known pore sizes are 0.22 and 0.45 pm.
    In a preferred embodiment the plant compartment of the container further comprises means for transporting water and nutrients entering the plant compartment to the vegetables, mushrooms and herbs. The means are suitably capillary means that distribute water and nutrients through the plant compartment to reach the seed or the roots of the growing plant. Such means are preferably formed by a carrier, in particular a mat. The mat may already comprise the seeds or the seeds are placed on or in the mat. The structure of the mat is suitable for transport and distribution of w ater and nutrients entering via the filter through the plant compartment via capillary action. The terms ‘mat’, ‘seed mat’ and ‘capillary mat’ are used interchangeably herein.
    In this respect, a seed mat (also referred to as a seed cloth) is formed of any material that is suitable lor growing plants from the seeds that are comprised in the seed mat. Known materials that are used for such seed mats are fabric or paper or a combination thereof.
    By avoiding direct contact between the water compartment and the plant compartment that initially comprises the seed and after germination comprises the plant, contamination of the seeds and plants with pathogens is avoided. One can make certain that the water with nutrients is pathogen-free before introducing it into the water compartment to avoid contamination but this is not necessary. Moreover, even if the water becomes contaminated the filter will keep the pathogens away from the plants.
    The container is furthermore provided with a semipermeable foil for closing off the two compartments. This foil allows the exchange of gases and (water) vapor but keeps out pathogens and contaminants that may be present in the environment.
    In one embodiment, the water and nutrients are comprised in the space defined by the plant compartment and the water compartment, i.e. between the bottom of the plant compartment that comprises the filter and the bottom of the water compartment, which is in this embodiment also the actual bottom of the container as a whole. It is of course also possible to culture the plants upside down and the bottom of the water container is then the top of the container as a whole but this is usually not preferred.
    The roots of the plants take up water and nutrients through the transportation means, in particular the mat, that distributes the water and nutrients and provides it to the roots. The roots of the vegetables, mushrooms or herbs can thus grow on top of the mat, but also in the mat and through the mat.
    In a further embodiment, the water compartment is formed by a bag comprising water and nutrients. The bag replaces the space defined by the bottoms of the plant and water compartments. The mat is suitably located on top of the bag and vegetables, mushrooms or herbs grow in or on the mat. In this embodiment the filter is located in the side of the bag that is in use in contact with the mat. This will usually be the upper side of the bag if the bag is located on the bottom of the plant compartment.
    In another embodiment, the water compartment is made from a rigid material for proper handling. The plant compartment is suitably present in the form of a bag. The material used for such a bag is preferably not permeable for any compound. Said plant compartment in the form of a bag comprises a seed mat and a filter. The filter is in contact with both the water compartment and the seed mat, thereby providing water and nutrients to the germinating seeds, mycelium or spores and/or growing vegetables, mushrooms or herbs.
    The seeds are preferably sterile and integrated in the mat to avoid floating away. Alternatively, the seeds are fixed to the mat by means of an adhesive or a glue. The water and nutrients are suitably formed by standard hydroponics water. However, more specific recipes can be applied in order to optimally facilitate the growth of the vegetables, mushrooms or herbs, using the method of the invention.
    Culturing of the vegetables, mushrooms or herbs until maturity takes suitably place in, or in the vicinity of, the retail outlet. Suitably the products are cultured in storage rooms or basements of the retail outlet. This way the transportation costs are saved. Moreover, the products need not be stored between harvest and transport to their point of sale and are therefore more lresh. The retail outlet is suitably a supermarket, but other types of stores can be envisaged as well.
    It is not necessary for the method of the invention to be performed in the retail outlet itself. It is also possible that the products are grown in regional facilities to supply multiple retail outlets in the area, thus still having part of the benefit of lower transportation costs.
    The growth facilities are preferably provided with specialized lighting systems designed to provide the correct light intensity and colour, in particular, well known assimilation lighting. Such systems may be automatically controlled to allow for a light and darkness cycle that is particularly adapted to the type of vegetable, mushroom or herb. Further, temperature as well humidity levels are preferably regulated carefully. Also the level of flow of air throughout the system is very relevant as well as the quality of the air that is applied. The air is preferably filtered in order to minimize the possibility of an infection.
    Prior to culturing the vegetables, mushrooms or herbs, seed for the vegetable or herb or spores for the mushrooms is placed on the bottom of the plant compartment or on the bag, in particular on or in a capillary mat that is placed on the bottom of the plant compartment or on the bag that forms the water compartment. The two compartments form the container, which is then closed off. Alternatively, a germinated seed, seedling or plantlet of the vegetable or herb or mycelium for the mushrooms is used instead of seeds or spores.
    In order to germinate, the seeds or spores need to be in contact with a fluid, such as water or a buffer. Suitably, closing the container is done after introducing the fluid into the water compartment of the container. Since the container remains unopened before the product is ready to be consumed, all nutrients and fluids needed to obtain a mature product are to be included in the container before closure thereof.
    Suitably, the container is closed with a permeable membrane. The membrane is permeable to for example oxygen (O2),carbon dioxide (CO2) and water vapor but preferably impermeable to contaminations and pathogens, like viruses, bacteria, fungi, protists or insects. The products thus grow in a contamination- and pathogen-free environment. The resistance requirements for the products are much lower or even dispensable when compared to growing products in a greenhouse or on the field. Each plant or mushrooms is individually packed and cannot contaminate other plants or be contaminated. The retailer can thus use seeds that comprise fewer resistances which as a consequence of the lower development costs is more cost-effective.
    After sowing the seeds or spores, or planting the germinated seeds, seedlings, plantlets or mycelium, the container is closed with the membrane to be re-opened only by the consumer after the product is sold. Thus, the product itself does not require handling and remains much more hygienic.
    In an embodiment, the seed mat is brought in contact with the water inside the growing container. By this action and through the capillary feature of the mat, germination of the seeds is triggered and seedlings will develop from the germinated seeds.
    The method of the invention is particularly suitable for leafy vegetables, in particular, lettuce, endive, rucola, corn salad, chard, leaf beet, spinach, radish. The vegetables can also be sprout vegetables, such as cress, beet sprouts, alfalfa, broccoli sprouts, bean sprouts, fennel sprouts, cabbage sprouts, garlic sprouts, leek sprouts, pea sprouts, chickpea sprouts, radish sprouts.
    The lettuce is for example, leaf lettuce, head lettuce or baby leaf lettuce. For baby leaf lettuce, different lettuce varieties can be used to obtain an attractive mixture. In one embodiment, two or more lettuce seeds of different varieties are used to obtain a mix of different leaf or head lettuce plants.
    It will take about 4 to 5 weeks for leafy vegetables such as lettuce to grow to maturity. Since the lettuce is not harvested but sold in the container the shelf-life can be as long as 4 weeks. Preferably, the lettuce is consumed within three weeks from sale. The shelf-life of products grown by the method of the invention is influenced by multiple factors of which two are explicitly mentioned here. The temperature at which the mature product is stored is of relevance. Preferably, the container comprising the mature product is stored at a temperature between 0 and 10 degrees Celsius. More preferable, said container is stored at a temperature between 2 and 6 degrees Celsius. Another aspect which is of relevance is the presence of the semi-permeable foil on the container. In order to better regulate the moisture levels of the container comprising the mature product, the semi-permeable foil is preferably covered with a lid or a foil that is less permeable for gas exchange. However, to a certain extent gas exchange should still be possible if the original semi-permeable foil is covered.
    The herbs are for example selected from chives, parsley, basil, dill, coriander, cilantro, mint, oregano, rosemary, thyme, marjoram, lemon balm, tarragon, sage. In a particular embodiment, mixtures of herbs can be produced such as an Italian herb mix or French herb mix.
    Mixtures of mushrooms can also be made by using different spores. The method can also be used for obtaining one or a few large mushroom, such as a Portobello mushroom.
    In a particular embodiment, the seeds can be provided in the form of a seed carrier, such as a seed mat, seed band or any other form. This is especially practical for mixtures of vegetables or herbs so that the correct seed distance is automatically obtained upon placing the seed carrier in the compartment.
    The container suitably comprises nutrients for the vegetables, mushrooms or herbs. For each type of product a suitable amount of nutrients can be added to the water.
    The container is preferably provided with a label with information regarding the vegetable, mushrooms or herb. The information comprises for example, the name of the vegetable, nutritional fact, best before date and the price. In addition to such sales information, other information, such as recipes, can be included as well. The container may also be provided with a paper wrap that contains such information.
    The label or wrap can be applied prior to or immediately after closing the container. Preferably, the label or wrap is applied directly before transfer to the retail outlet. When applying the label or wrap, care should be taken that the upper side of the container is not so covered that entrance of light into the container is hampered.
    The invention further relates to a set for producing consumer-ready vegetables, mushrooms or herbs, comprising a container, sowing or planting material, and a permeable membrane, wherein the container comprises a plant compartment for containing the vegetables, mushrooms or herbs and a w ater compartment for containing water and nutrients, wherein one of the two compartment is provided with means for allowing water and nutrients to enter the plant compartment while preventing contaminations and pathogens from entering the plant compartment.
    In a further embodiment, the water compartment is a bag provided with a filter and comprising the water and nutrients, which bag is comprised inside the container and the vegetables, mushrooms or herbs grow in or on top of the bag, in particular in or on a capillary mat that is located on top of the bag. The filter allowing the water and nutrients contained in the bag to enter the mat is in contact with the mat and thus suitably located in the upper part of the bag. The advantage of using a pre-prepared bag is that the water with the nutrients can be produced and filled in the bag in a pathogen-free environment and requires no further handling that may involve contamination. The bag is suitably placed in a container. Suitably, the top of the container comprising the water compartment in the form of a bag is closed off with a semi-permeable foil as described herein.
    In another embodiment, the water compartment is made from a rigid material for proper handling. The plant compartment is present in the form of a bag. The material used for such a bag should not be permeable for any compound and is made from a suitable film or foil. Said plant compartment in the form of a bag comprises a seed mat and a filter. The filter is in contact with both the water compartment and the seed mat. The mat through its capillary capacity, provides water and nutrients to the developing seeds, mycelium or spores and/or growing vegetables, mushrooms or herbs. On the top side, the plant compartment is open or contains perforations through "which the vegetables, mushrooms or herbs are able to develop and grow.
    Both with respect to the method and the set, the size and form of the container preferably correspond with the size and form of the mature vegetable, or herb or the quantity of mushrooms to be produced. The container can also have any other form as well.
    Suitably, the closing membrane is at least partially self-adhesive, in particular at the edges. Alternatively, the closing membrane is sealed to the container by means of a heat sealer. The membrane can then be easily stuck to the open side of the container to seal it off.
    In one embodiment of the set, the seeds are already placed in the container, and the container is already closed with the membrane. In this embodiment no moisture should be present in the container because that might lead to premature germination. In order to introduce the fluid, the container is then provided with means to allow the fluid to enter the space between the plant compartment and the water compartment of the container. Such means are for example, valve means that avoid entrance of contaminants and pathogens.
    The invention further relates to a container comprising a vegetable, mushrooms or herb, obtainable by the method as claimed. The container is suitably adapted to the form of the product. It can be a square box, a rectangular box or a tube, or any other form. In a particular embodiment, the container has a double bottom defining a space in between them to receive the water and nutrients needed for the plant to grow to maturity. In one embodiment, the double bottom is obtained by using two boxes, one of which is placed into the other and leaves a space between the bottom of the inner box and the bottom of the outer box. The inner box is then the plant compartment and the outer box is the water compartment.
    The invention can be performed without the contribution of a grower. The retailer can buy his seed or the seed mat directly from seed companies. Since one step in the vegetable supply chain is now no longer necessary, the retailer can produce his own vegetables, mushrooms and herbs at a significantly lower cost.
    The present invention will further be illustrated in the figures that follow. In the figures, like reference numerals refer to the same or corresponding parts.
    Figure 1 shows an exploded view of one embodiment of the container of the invention.
    Figure 2A shows a side view' of the separate elements of the container.
    Figure 2B shows the container of figure 2A in use at the beginning of the growing process.
    Figure 2C shows the container of figure 2A with growing baby leaf plants.
    Figure 2D show's the container of figure 2A with mature lettuce heads.
    Figure 3 shows the consumer-ready containers.
    Figure 4 shows a second embodiment of the invention in the initial stage.
    Figure 5 shows the embodiment of figure 4 in the consumer-ready stage.
    The embodiment shown in figure 1 comprises a box 1 that forms the plant compartment and a larger box 2 that forms the w'ater compartment. Furthermore, there is shown a mat 3 with seeds 4, which mat 3 fits in box 1. Box 1 has a filter 5 in its bottom. The membrane 6 is for sealing off the container formed by the two boxes. Box 2 is filled with water 3.
    Figure 2A shows the container of figure 1 from the side. Figure 2B demonstrates that the two bottoms 8 and 9 of the boxes 1 and 2 leave a space 10 in between them. This space 10 contains the liquid medium 3 comprising water and nutrients. The bottom 8 of the inner box 1 which forms the plant compartment comprises a filter 6 that allows water 3 to enter from the space 10 into box 1 but prevents microorganisms from passing from the water compartment to the plant but still allow the growing plant to take up nutrients. In this embodiment a seed mat 4 is envisaged. The seed mat has capillary action and facilitates uptake of nutrients and water. As shown in figure 2C, the roots 11 are capable of growing through the seed mat 5 but do not penetrate the bottom 8 of box 1. They therefore do not come into contact with the water and nutrients contained in the space 10.
    Figure 2D show s the almost finished products with the mature vegetable plants 12. The water 3 has been totally consumed by the plants and the space 10 between the two bottoms 8 and 9 of boxes 1 and 2 has disappeared, hi figure 3 it is showrn that the boxes are provided with a label and are ready to be placed in a retail facility.
    Figure 4 shows another embodiment in which the water compartment is not the outer box but a bag 13 placed on the bottom 14 of the plant compartment 15 which is now the outer box. The bag 13 contains a liquid medium 16, i.e. water and nutrients, and is in its upper side provided with a filter 17 that only allows entrance of water and nutrients into plant compartment 15 but keeps out contaminants and pathogens that may be present in the liquid medium. A capillary mat 18 is placed on top of the bag 13. Seeds are placed on top of the mat or are integrated in the mat. The box that forms the plant compartment is sealed off with a permeable membrane 19 that allows gas exchange but is also impermeable to contaminants and pathogens.
    In figure 5 the embodiment of figure 4 is shown in consumer-ready stage.
    权利要求:
    Claims (19)
    [1]
    A method for producing vegetables, mushrooms or herbs, which are ready for sale, comprising the steps of: a. Growing vegetables, mushrooms or herbs in a closed container under suitable growing conditions until adulthood; and B. transferring the container with the mature vegetables, mushrooms or herbs to a point of sale, characterized in that the vegetables, mushrooms or herbs are grown in a holder which contains a plant compartment for containing the vegetables, mushrooms or herbs and a separate water compartment for comprising water and nutrients, one of the two compartments being provided with means for allowing the water and nutrients to enter the plant compartment while preventing contamination and pathogens from entering the plant compartment.
    [2]
    A method according to claim 1, wherein the plant compartment is within the water compartment, and wherein the bottom of the plant compartment comprises a filter which is permeable to water and nutrients but impervious to infections and pathogens, such as viruses, bacteria, fungi, protists or insects .
    [3]
    Method according to claim 2, wherein the plant compartment comprises means for transporting water and nutrients which enter the plant compartment into the vegetables, mushrooms or herbs.
    [4]
    The method of claim 2, wherein the means for transporting water are capillary means, such as a mat.
    [5]
    A method according to claim 2, 3 or 4, wherein the plant compartment floats on water in the water compartment.
    [6]
    The method of any one of claims 2-5, wherein the water and nutrients are included in the space between the bottoms of the plant compartment and the water compartment.
    [7]
    A method according to claim 1, wherein the water compartment is in the form of a bag, which is provided with a filter which is water and nutrient permeable but impervious to infections and pathogens such as viruses, bacteria, fungi, protists or insects and the bag is inside the plant compartment.
    [8]
    The method of claim 7, wherein the vegetables, mushrooms or herbs grow on a mat that is in contact with the filter.
    [9]
    The method of claim 1, wherein the plant compartment is in the form of a bag, which is provided with a filter that is water and nutrient permeable but impervious to infections and pathogens such as viruses, bacteria, fungi, protists or insects and the bag is located inside the water compartment.
    [10]
    The method of claim 9, wherein the vegetables, mushrooms or herbs grow on a mat that is in contact with the filter.
    [11]
    A method according to any one of claims 1 to 10, wherein the container is sealed with a permeable membrane, which is preferably permeable to oxygen (O2), carbon dioxide (CO-2) and water vapor but is preferably impermeable to infections and pathogens , such as viruses, bacteria, fungi, protists or insects.
    [12]
    A method according to any one of claims 1-11, wherein prior to growing the vegetables, mushrooms or herbs, is a seed, a germinated seed, a seedling or a small plant for the vegetable or herb or a mycilium for the mushrooms placed in the plant compartment and the container is closed.
    [13]
    Method according to one of claims 1 to 12, wherein the vegetables are leafy vegetables, in particular lettuce, in particular leaf lettuce, head lettuce or baby leaf lettuce, endive, arugula, lamb's lettuce, corn salad, chard, leaf beet, spinach, radish , sprouts, in particular cress, beet sprouts, alfalfa, broccoli sprouts, bean sprouts, fennel sprouts, cabbage sprouts, garlic sprouts, leek sprouts, pea sprouts, chickpea sprouts, or where the herbs are selected from chives, parsley, basil, dill, coriander, cilantro, mint , oregano, rosemary, thyme, marjoram, lemon balm.
    [14]
    A method according to any of claims 1-13, wherein the seeds are provided in the form of a seed mat or a seed ribbon.
    [15]
    A method according to any one of claims 1-14, wherein the holder is provided with a label with information regarding the vegetables, mushrooms or herbs.
    [16]
    A method according to any one of claims 1 to 15, wherein the cultivation of the vegetables, mushrooms or herbs until adulthood takes place in or in the vicinity of the point of sale.
    [17]
    17. Set for producing vegetables, mushrooms or herbs, which are ready for sale, which comprises a container, sowing or planting material and a permeable membrane, the container comprising a plant compartment for containing the vegetables, mushrooms or herbs and comprises a water compartment for containing water and nutrients, one of the two compartments being provided with means for allowing the water and the nutrients to enter the plant compartment while preventing contaminants and pathogens from entering the plant compartment.
    [18]
    The set of claim 17, wherein the plant compartment is arranged so that it fits inside the water compartment while leaving a space for the water and nutrients between the bottoms of the first and second compartments.
    [19]
    The set of claim 17, wherein the water compartment is in the form of a bag that fits inside the plant compartment while leaving sufficient space in the first compartment for the vegetables, mushrooms or herbs to grow to a harvestable stage.
    类似技术:
    公开号 | 公开日 | 专利标题
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    KR20110002849U|2011-03-23|Grass Grow Kit
    GB2266439A|1993-11-03|Plant package; method of forming plant package.
    同族专利:
    公开号 | 公开日
    NL2018202B1|2018-02-09|
    EP3405019A1|2018-11-28|
    WO2017125588A1|2017-07-27|
    JP2019502395A|2019-01-31|
    CN108697052A|2018-10-23|
    HK1256186A1|2019-09-13|
    US20180370717A1|2018-12-27|
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    NL2016129|2016-01-21|
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