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WO2013126047A1 - Dispositifs de conservation des aliments et procédés d'utilisation - Google Patents

Dispositifs de conservation des aliments et procédés d'utilisation Download PDF

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Publication number
WO2013126047A1
WO2013126047A1 PCT/US2012/025957 US2012025957W WO2013126047A1 WO 2013126047 A1 WO2013126047 A1 WO 2013126047A1 US 2012025957 W US2012025957 W US 2012025957W WO 2013126047 A1 WO2013126047 A1 WO 2013126047A1
Authority
WO
WIPO (PCT)
Prior art keywords
foam
food
packaging material
gas
sprayable
Prior art date
Application number
PCT/US2012/025957
Other languages
English (en)
Inventor
Takahisa Kusuura
Original Assignee
Empire Technology Development Llc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Empire Technology Development Llc filed Critical Empire Technology Development Llc
Priority to US13/702,291 priority Critical patent/US20130216657A1/en
Priority to PCT/US2012/025957 priority patent/WO2013126047A1/fr
Publication of WO2013126047A1 publication Critical patent/WO2013126047A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B55/00—Preserving, protecting or purifying packages or package contents in association with packaging
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23B—PRESERVATION OF FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES; CHEMICAL RIPENING OF FRUIT OR VEGETABLES
    • A23B7/00—Preservation of fruit or vegetables; Chemical ripening of fruit or vegetables
    • A23B7/16—Coating with a protective layer; Compositions or apparatus therefor
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23B—PRESERVATION OF FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES; CHEMICAL RIPENING OF FRUIT OR VEGETABLES
    • A23B2/00—Preservation of foods or foodstuffs, in general
    • A23B2/70—Preservation of foods or foodstuffs, in general by treatment with chemicals
    • A23B2/704—Preservation of foods or foodstuffs, in general by treatment with chemicals in the form of gases, e.g. fumigation; Compositions or apparatus therefor
    • A23B2/721—Preservation of foods or foodstuffs, in general by treatment with chemicals in the form of gases, e.g. fumigation; Compositions or apparatus therefor in a controlled atmosphere comprising other gases in addition to CO2, N2, O2 or H2O
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23B—PRESERVATION OF FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES; CHEMICAL RIPENING OF FRUIT OR VEGETABLES
    • A23B4/00—Preservation of meat, sausages, fish or fish products
    • A23B4/10—Coating with a protective layer; Compositions or apparatus therefor
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23B—PRESERVATION OF FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES; CHEMICAL RIPENING OF FRUIT OR VEGETABLES
    • A23B4/00—Preservation of meat, sausages, fish or fish products
    • A23B4/14—Preserving with chemicals not covered by groups A23B4/02 or A23B4/12
    • A23B4/16—Preserving with chemicals not covered by groups A23B4/02 or A23B4/12 in the form of gases, e.g. fumigation; Compositions or apparatus therefor
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23B—PRESERVATION OF FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES; CHEMICAL RIPENING OF FRUIT OR VEGETABLES
    • A23B7/00—Preservation of fruit or vegetables; Chemical ripening of fruit or vegetables
    • A23B7/14—Preserving or ripening with chemicals not covered by group A23B7/08 or A23B7/10
    • A23B7/144—Preserving or ripening with chemicals not covered by group A23B7/08 or A23B7/10 in the form of gases, e.g. fumigation; Compositions or apparatus therefor
    • A23B7/152—Preserving or ripening with chemicals not covered by group A23B7/08 or A23B7/10 in the form of gases, e.g. fumigation; Compositions or apparatus therefor in a controlled atmosphere comprising other gases in addition to CO2, N2, O2 or H2O ; Elimination of such other gases
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B25/00—Packaging other articles presenting special problems
    • B65B25/02—Packaging agricultural or horticultural products
    • B65B25/04—Packaging fruit or vegetables
    • B65B25/041—Packaging fruit or vegetables combined with their conservation

Definitions

  • Embodiments provided herein generally relate to packaging materials that preserve the item that is packaged.
  • a packaging material is provided.
  • the packaging material can include a gelled foam including voids and a food-preservation gas contained within the voids.
  • the gelled foam allows for a sustained release of the food-preservation gas.
  • a foam sprayable material includes a water soluble and high viscosity material including at least one void that includes at least one food-preservation gas.
  • the material further includes a liquid, film forming, polymer.
  • the liquid forms a film when dried.
  • the film includes voids with a gas contained therein.
  • a method of packaging a food product can include providing a food preservative film.
  • the film can include glycerin in which there are voids that include a food- preservation gas, and a liquid, film forming, polymer, wherein the liquid forms a film when dried.
  • the method further includes providing a food product and covering at least part of the food product with the food preservative film (either in liquid form or as a gel and/or solid), thereby packaging the food product.
  • a preserved food product can include at least one food product and an at least partially dried preservative film (e.g., or other type of packaging material) coating at least a part of the at least one food product.
  • the film includes an edible material within which a food-preservation gas is stored and the edible material allows for the sustained release of the food-preservation gas
  • a spray device can include an outlet head configured to spray a foam sprayable material, a reservoir, configured to hold a foam sprayable material, which is in fluid communication with the outlet head.
  • the reservoir holds a mixture of glycerin and a liquid, film forming, polymer, wherein the liquid forms a film when dried.
  • the device includes a first gas inlet in fluid communication with the reservoir.
  • Figure 1A is a drawing depicting some embodiments of a packaging material and a packaged food product.
  • Figure IB is a drawing depicting some embodiments of the optional release of a preservative gas from a packaging material in response to the presence of moisture on or from the item.
  • Figure 2 is a flow chart depicting some embodiments of methods of making and using a preserved product.
  • a packaging material is provided.
  • the packaging material includes a foam (either wet and/or dried) and/or other material with small voids. These voids can contain one or more gas or other substance. The gas or other substance can, over time, be released from the packaging material, providing a prolonged and/or delayed release of the gas or other substance, so that any material to be preserved (or treated in any other manner) can benefit from a longer period of exposure to the gas (or other substance).
  • the foam (or other material) includes a water- soluble material.
  • the presence of moisture causes the foam (or other material) to dissolve, which allows the gas (or other substance) to be released from the voids (or increase the rate of release), lengthening the usable life of the item.
  • the packaging material can self -regulate, such that additional gas or other substance can be released proximally, and timely, to reduce spoilage.
  • a packaging material is illustrated in Figures 1A and IB.
  • the packaging material 110 at least partially covers at least a part of an item 120.
  • the item is a food product (however, in some embodiments, any item, product, device, etc., can be covered by various embodiments provided herein).
  • the packaging material can do more than supply a consistent or prolonged release of the gas or other material.
  • the packaging material 210 includes at least a void 220 which can include a gas 230 to be released against the item to be preserved.
  • moisture emitted from the packaged item 240 can be used as a regulator of the release of the gas 230, to allow for moisture dependent release of the gas or other substance in the void 220. In some embodiments, this can be achieved by making the packaging material 210, or at least a part of it, dissolvable to water. Not all embodiments need include a packaging material that is dissolvable in the presence of moisture.
  • the packaging material can include more than one layer, at least one of which is dissolvable, and one of which is not (or not as) dissolvable.
  • the voids can serve as storage chambers for the gas or another substance which is to be released.
  • the number of voids in any given packaging material can vary depending upon the item to be stored and/or the nature of the packaging material options, and/or the desired degree of preservation.
  • the volume ratio of void to solid in the material is about 1:1000, 1:100, 1:50, 1:10, 1:5, 1:3, 1:1, 3:1, 5:1, 10:1, 50:1, 100:1, or 1000:1, including any ranges above any one of those values, or any range between any one of those values. In some embodiments, the volume ratio of void to solid in the material is about 1:100, 1:50, 1:10, 1:5, 1:3, 1:1, 3:1, 5:1, 10:1, 50:1, or 100:1, including any ranges above any one of those values, or any range between any one of those values.
  • the water-soluble and high viscosity material includes voids at a density of 1, 2, 3, 5, 10, 20, 50, 100, 300, 500, 1000, 2000, 5000, 10,000, 30,000, 50,000, 100,000, 300,000, 500,000, 1,000,000, 10 ⁇ 7, 10 ⁇ 8, 10 ⁇ 9, 10 ⁇ 10, 10 ⁇ 11, 10 ⁇ 12, 10 ⁇ 13, 10 ⁇ 14, 10 ⁇ 15, 10 ⁇ 16, 10 ⁇ 17, or 10 ⁇ 18 voids per cubic millimeter including any density range greater than any one of the listed values or between any two of the listed values.
  • the water-soluble and high viscosity material includes voids at a density of 1000, 2000, 5000, 10,000, 30,000, 50,000, 100,000, 300,000, 500,000, 1,000,000, 10 ⁇ 7, 10 ⁇ 8, 10 ⁇ 9, 10 ⁇ 10, 10 ⁇ 11, or 10 ⁇ 12 voids per cubic millimeter including any density range greater than any one of the listed values or between any two of the listed values (e.g., 1000 to 10 ⁇ 12).
  • the voids of the packaging material have an average diameter of about 1 to about 10,000,000 nanometers. In some embodiments, the voids of the packaging material have an average diameter of about 100 picometers, 500 picometers, 700 picometers; 1 nanometers, 2 nanometers, 3 nanometers, 5 nanometers, 10 nanometers, 30 nanometers, 50 nanometers, 100 nanometers, 300 nanometers, 500 nanometers, 700 nanometers; 1 micrometers, 2 micrometers, 3 micrometers, 5 micrometers, 10 micrometers, 30 micrometers, 50 micrometers, 100 micrometers, 300 micrometers, 500 micrometers, 700 micrometers; 1 millimeter, 2 millimeters, 3 millimeters, 5 millimeters, or 10 millimeters, including any values above, below, or between any two of the listed values.
  • the packaging material has a thickness sufficient to provide some level of protection and/or preservation of an item.
  • the average thickness is of about 100 nanometers, 200 nanometers, 300 nanometers, 500 nanometers, 1000 nanometers, 1500 nanometers, 2000 nanometers, 2500 nanometers; 3 micrometers, 5 micrometers, 7 micrometers, 10 micrometers, 20 micrometers, 30 micrometers, 50 micrometers, 100 micrometers, 200 micrometers, 300 micrometers, 500 micrometers, 1000 micrometers, or 2000 micrometers, 3 millimeters, 5 millimeters, 7 millimeters; 1 centimeter, 2 centimeter, 3 centimeter, 5 centimeter, 7 centimeters; 1 decimeter, 2 decimeter, 3 decimeter, or 5 decimeters, including any ranges above any one of the preceding values or between any of the two stated values.
  • the thickness is substantially uniform throughout the packaging material.
  • parts of the packaging material are thicker than others, for example to fill gaps, crevices, gouges, or imperfections on the surface of the material to be coated.
  • the thickness includes a range of thicknesses, e.g., between or above any of 100 nanometers, 200 nanometers, 300 nanometers, 500 nanometers, 1000 nanometers, 1500 nanometers, 2000 nanometers, 2500 nanometers; 3 micrometers, 5 micrometers, 7 micrometers, 10 micrometers, 20 micrometers, 30 micrometers, 50 micrometers, 100 micrometers, 200 micrometers, 300 micrometers, 500 micrometers, 1000 micrometers, or 2000 micrometers, 3 millimeters, 5 millimeters, 7 millimeters; 1 centimeter, 2 centimeter, 3 centimeter, 5 centimeter, 7 centimeters; 1 decimeter, 2 decimeter, 3 decimeter, or 5 decimeters, 100 nanometers, 200 nanometers, 300
  • the gas can exit the voids.
  • the food-preservation gas diffuses through portions of the packaging material slowly, and break-down of the material can accelerate the release of the gas.
  • the sustained and/or delayed release of the gas or other substance from the packaging material occurs for a period of time.
  • the period of time is about 1 minute, 10 minutes, 30 minutes, 1 hour, 2 hours, 5 hours, 12 hours, 1 day, 2 days, 3 days, 4 days, 5 days, 6 days, 7 days, 8 days, 9 days, 10 days, 11 days, 12 days, 13 days, 14 days, 15 days, 16 days, 17 days, 18 days, 19 days, 20 days, 22 days, 25 days, 30 days, 35 days, 40 days, 50 days, 60 days, 70 days, 100 days, 150 days, or 200 days including any range above any one or between any two of the stated values.
  • the packaging material can be in any of a variety of forms and/or configurations.
  • the packaging material can be a liquid, a gel, a film, a coating, a foam, a rigid material, a flexible material, and/or combinations thereof and/or dried forms thereof.
  • the packaging material can be, or be part of, a container.
  • the container can be sealed or sealable.
  • the packaging material can be part of a thin film, such as a wrap, foil, wax paper, or sprayable material.
  • the packaging material can include a gel or gelled foam, which is applied and/or applicable to an item to be preserved. In some embodiments, this can then be allowed to dry at least some extent, forming a dried film of the gelled foam around the item. In some embodiments, a spray applied coating allows for a smaller amount of headspace between the item and the packaging.
  • the foam can includes a gelled foam.
  • the gelled foam includes glycerin, Vaseline, paraffin, polyethylene glycol or other polymer.
  • the gelled foam includes at least one gel- forming polymer.
  • the gelled foam includes at least one gelatinzing agent.
  • the gelled foam includes two or more of: glycerin; one or more gel-forming polymers; and one or more gelatinizing agents.
  • the packaging material includes a spray applied coating.
  • the spray applied coating is arranged in a substantially even layer on the surface of a coated product, and thus is of substantially consistent thickness.
  • contours on the surface of the spray applied coating roughly correspond to contours on the surface of the coated product.
  • the spray applied coating is arranged in a substantially uneven layer on the surface of the coated product.
  • the spray applied coating includes voids.
  • the packaging material includes or is a foam sprayable material.
  • the foam sprayable material includes a water- soluble and high viscosity material.
  • the foam sprayable material includes a high viscosity material that is soluble in a non-polar solvent.
  • the high viscosity material and the foam sprayable material are soluble in the same solvent.
  • the water-soluble and high viscosity material is one of a solid, a semi-solid, or a gel.
  • the water-soluble and high viscosity material includes one or more voids that include a food-preservation gas.
  • the foam sprayable material includes a liquid, film-forming polymer.
  • the water-soluble and high viscosity material is water-soluble at an acidic pH. In some embodiments, the water-soluble and high viscosity material is water- soluble at a basic pH. In some embodiments, the water-soluble and high viscosity material is water-soluble at a pH that is about 7.
  • the liquid, film forming, polymer is at least one of a polysaccharide, an arginate, a carrageenan, a glycolarginate, a pectin, gellan gum, agar, polyethylene glycol, polyethylene oxide, propylene glycol, a polysaccharide, its salt, and their solution dissolved in water: hyaluronic acid, sodium hyaluronate, collagen, collagen peptide, hemicellulose, gum arabic, tragacanth gum, carrageenan, xanthan gum, guar gum, tara gum, gloiopeltis glue, agar, furcellaran, tamarind seed polysaccharide, kalaya gum, hibiscus, pectin, sodium alginate, pullulan, jellan gum, locust bean gum, various starches, carboxymethyl cellulose (CMC), methylcellulose (MC), ethylcellulose (EC), hydroxymethylcellulose (HMC), carboxymethyl cellulose
  • the foam sprayable material (or other appropriate form of packaging material) can be under pressure before it is applied to an item.
  • the foam sprayable material is under a pressure greater than atmospheric pressure.
  • the foam sprayable material is at a pressure of about 80 kilopascals (kPa), e.g., 83, 87, 90, 92, 95, 97, 100, 101, 103, 105, 110, 120, 130, 140, 150, 160, 170, 200, 230, 250, 270, 300, 330, 350, or 400 kPa, including any pressure range above any one of these values or between any two of the these values.
  • kPa kilopascals
  • the foam sprayable material is under a pressure that is substantially the same as atmospheric pressure, but can be compressed to a pressure greater than atmospheric pressure in order to facilitate the spraying of the foam sprayable material.
  • the foam sprayable material is under a pressure that is substantially atmospheric pressure, but can be applied to a target surface by spreading, painting, or pouring the foam sprayable material on the target surface, or by dipping, rolling, or immersing the target surface in the foam sprayable material.
  • the foam sprayable material (or other wet applied packaging material) sterilizes a surface of a food product by lowering the pH of the surface. In some embodiments, the pH is lowered by about 0.1, 0.2, 0.3, 0.5, 1, 2, 3, 4, 5, 6, or 7, including any ranges below any one of the preceding values and any range between any two of the preceding values. In some embodiments, the foam sprayable material (or packaging material) sterilizes the surface by contacting the surface with C0 2 . In some embodiments, the foam sprayable material (or other packaging material) sterilizes the surface by contacting the surface with ozone. In some embodiments, the foam sprayable material (or other packaging material) sterilizes the surface upon contact with the surface. In some embodiments, the foam sprayable material (or other packaging material) sterilizes the surface after it has dried, set, or cured, for example as a sterilizing gas is gradually released from voids in the foam.
  • the foam sprayable material (or other wet applied packaging material) sterilizes the surface of a food product by contacting the surface with an alcohol, for example ethanol, propanol, or isopropanol.
  • an alcohol for example ethanol, propanol, or isopropanol.
  • the packaging material is in the form of a film (which can be flexible and/or stretchable).
  • the film substantially conforms to the topography of a surface it is in contact with, for example the surface of a food product.
  • the film is rigid.
  • the film is pliable.
  • the film is pliable, and becomes rigid (or more rigid) upon drying.
  • the film becomes rigid upon curing.
  • the film becomes rigid upon cross-linking.
  • the packaging material is a solid and/or rigid sheet. In some embodiments, the packaging material is a tray. In some embodiments, the tray is configured to carry only one item. In some embodiments, the tray is configured to carry more than one item.
  • the longest diameter of the tray is about 1 millimeter, 2 millimeters, 3 millimeters, 5 millimeters, 9 millimeters; 1 centimeter, 2 centimeters, 3 centimeters, 5 centimeters, 10 centimeters, 50 centimeters, 100 centimeters, 200 centimeters, 500 centimeters, 800 centimeters; 1 meter, 2 meters, 3 meters, 5 meters, 10 meters, or 20 meters, including any range above any one of the preceding values or between any two of the stated values.
  • the tray is open on top.
  • the tray has a lid.
  • the lid includes a hinge.
  • the lid is sized to substantially cover the base of the tray.
  • the tray supports about 1 gram, 2 grams, 5 grams, 7 grams, 10 grams, 20 grams, 50 grams, 100 grams, 300 grams, 500 grams, 800 grams; 1 kilogram, 2, kilograms 3 kilograms, 5 kilograms, 10 kilograms, 20 kilograms, 50 kilograms, 100 kilograms, 300 kilograms, or 500 kilograms, including any range above any of the preceding values or between any two of the stated values.
  • the tray has at least one seam, and folds along at least one seam, so that the tray can be folded to enclose the contents.
  • the packaging material includes a biodegradable material. In some embodiments, the packaging material includes at least one polysaccharide. In some embodiments, the packaging material includes a combination of two or more different polysaccharides. In some embodiments, at least one polysaccharide is water-soluble. In some embodiments, at least one polysaccharide spontaneously depolymerizes in water.
  • the biodegradable material dissolves when contacted with a solvent.
  • the solvent includes water.
  • the biodegradable material disintegrates spontaneously, and has a half-life of about 1 hour, 3 hours, 5 hours, 10 hours; 1 day, 2 days, 5 days, 10 days, 20 days, 50 days, 100 days; 1 year, 2 years, or 5 years, including any range between any two of the stated values.
  • the dissolution, disintegration, or other break-down of a biodegradable material causes the gelled foam to dissolve, disintegrate, or otherwise break-down.
  • the packaging material includes an antibiotic agent. In some embodiments, the packaging material includes an antiviral agent.
  • the film is transparent to at least some wavelengths of visible light. In some embodiments, the film is 1%, 5%, 10%, 30%, 50%, 70%, 80%, 85%, 90%, 92%, 95%, 97%, 99, or 100% percent transparent to visible light including ranges below any of the preceding values or between any two of the stated values. In some embodiments, the film is transparent at the time it is applied. In some embodiments, the film is transparent at the time has dried, hardened, or cured. In some embodiments, the film is transparent when applied, and when it has dried, hardened and/or cured. [0039] In some embodiments, the film or packaging material includes a tinting agent.
  • the tinting agent is a neutral color, for example grey.
  • the tinting agent is selected to be a color that is desirable for the product to be packaged.
  • the packaging material may include a red tinting agent.
  • the tint is selected to shield the food from radiation.
  • the tinting agent can be selected to shield the food from ultraviolet radiation.
  • the packaging material is substantially transparent to visible electromagnetic radiation, but is substantially opaque to electromagnetic radiation in a non-visible spectrum. In some embodiments, the tint is blue or yellow.
  • the voids include a gas.
  • one or more gases can be used.
  • gases other than C0 2 and argon can be used, e.g., ozone.
  • Ozone can also be activated by argon gas, and these gases are compatible for use in combination with in some embodiments. Additionally, ozone activity is high even under high humidity. Although ozone is short-lived in the atmosphere, it can be stored for a long period of time once contained in glycerin in the form of micro/nano-bubbles.
  • the ozone concentration in the final mixture is made to fall between a few ppm and 85 ppm (e.g., 1, 10, 20, 30, 40, 50, 60, 70, 80, or 85). When dissolved in water, it shows a sufficient antiseptic effect at a concentration of around 2 ppm, and generally has a sufficient antiseptic effect at a concentration of 0.1 ppm to a few ppm.
  • the gas includes a food-preservation gas.
  • more than one gas can be employed (such as two or more types).
  • the gas includes at least one of C0 2 , argon, nitrogen, C10 2; ozone, an ethylene-inhibiting gas, 0 2 , and/or at least one of rare gas.
  • the rare gas is one of He, Ne, Kr, Xe, and/or Rn, or a mixture of two of more of these gasses.
  • the food preservation gas includes C0 2 and argon.
  • the ethylene-inhibiting gas includes 1- methylcyclopropene (1-MCP). In some embodiments, the ethylene-inhibiting gas is substantially 1-MCP. In some embodiments, percent volume of 1-MCP in the gas is one of about 0.1%, 0.3%, 0.5%, 1%, 2%, 3%, 5%, 10%, 15%, 20%, 30%, 40%, 50%, including any ranges above any of the preceding values or between any two of the stated values. In some embodiments, the food preservation gas includes C0 2 , argon, and 1- MCP.
  • the volume ratio of C0 2 to argon is one of about 1:100, 1:50, 1:20, 1:10, 1:5, 1:3, 1:2, 1:1, 2:1, 3:1, 5:1, 10:1, 20:1 30:1, 50:1, or 100:1, including any ranges above, below, or between any two of the stated values.
  • the gas or other substance can be any one or more of N 2 (inert gas), ethyl alcohol (disinfectant), and/or chlorine dioxide.
  • the packaging material includes an edible material.
  • the edible material is substantially free of toxins that would be harmful to a mammal and/or animal and/or human if consumed. In some embodiments, any toxins or other harmful products are readily removable.
  • the edible material includes at least one flavoring agent to increase its desirability for consumption.
  • the flavoring agent is selected to complement the flavor of a food product that is to be coated by the edible material.
  • the edible material has a texture, odor, and/or taste that is desirable for consumption.
  • the texture, odor, and/or taste is desirable before the sprayable material has set, dried, or cured.
  • the texture, odor, and/or taste is desirable after the sprayable material has set, dried, or cured.
  • the packaging material includes at least one of: a gelatinizing agent, a foaming agent, a pH adjuster, or a water-soluble plasticizer.
  • the gelatinizing agent is one of calcium carbonate, or calcium pyrophosphate.
  • the pH adjuster is at least one of an acid, a base, or a buffer.
  • the packaging material includes water.
  • the packaging material is at least about 1%, 2, 3, 5, 10, 20, 30, 40, 50, 60 70, 80, 90, or 95% water, including any range below any one of the preceding values or between any two of the stated values.
  • the packaging material is in a form that is substantially free of water, and is reconstituted upon the addition of water.
  • the packaging material includes water when it is applied to a target surface, but includes less water after it has set, hardened, or cured.
  • the water is suspended in a gel, foam, or matrix.
  • the water is part of a hydrous compound, for example a crystal.
  • the packaging material is water-soluble, once dried, cured, or set. In some embodiments, the packaging material is water-soluble before it has dried, cured or set. In some embodiments, the packaging material is water-soluble both before and after it has dried, cured, or set. In some embodiments, the packaging material, once dried, cured, or set, is soluble in at least one of: an acidic aqueous solution, a basic aqueous solution, or an aqueous solution with a pH that is about 7. In some embodiments, the dried packaging material includes a water-soluble starch. In some embodiments, the dried packaging material includes a polymer that spontaneously depolymerizes in an aqueous solution.
  • the packaging material includes a UV blocker.
  • the UV blocker is at least one of: a metal particle, a dielectric oxide particle, or a UV absorbing polymer.
  • the metal particle is a nanoparticle.
  • metal particle has a diameter of about 500 picometers or more, e.g., 700, 1,000, 1,300, 1,500, 2,000, 2,500, 3,000, 3,500, 4,000, 5,000, 6,000, 8,000, or 10,000 picometers, including a range above any one, or between any two, of the listed values.
  • the UV blocker is suspended in the foam of the packing material.
  • the UV blocker is layered on an inner or outer surface of the packaging material.
  • the packaging material includes a gas barrier layer.
  • the gas barrier layer is on the outside of the packaging material.
  • the gas barrier layer is substantially impermeable to water vapor.
  • the gas barrier layer is substantially impermeable to the food-preservation gas.
  • the gas barrier layer includes at least one of a cellulose fiber, clay, montmorillonite, cellulose, cellulose fiber, or cellulose nano fiber.
  • the gas barrier layer has a thickness of about 0.5, 0.7, 1, 3, 5, 10, 100, 500, 1,000, 3,000, 5,000, 10,000, or 100,000 nanometers, including a range above any one, or between any two, of the stated values.
  • the packaging material allows the food- preservation gas to pass through about 1 micron of the material per 2 hours. In some embodiments, the packaging material allows the gas to pass through at least about 500 nanometers, e.g., 501, 600, 700, 800, 900, 1000, 1100, 1200, 1300, 1400, 1500, 2000, or 3000 nanometers of the material per 2 hours, including range below, or between, any two of the stated values.
  • the packaging material includes a wax. In some embodiments, about 1%, 3%, 5%, 10%, 20%, 30%, or 50% of the packaging material is a wax, including any range above any one of the preceding values, or between any two of the stated values.
  • the water-soluble and high viscosity material of the foam sprayable material includes glycerin. In some embodiments, about 1%, 3%, 5%, 10%, 20%, 30%, or 40% of the foam sprayable material is glycerin, including any values above, or between any two of the stated values.
  • the packaging material e.g., gelled foam
  • the packaging material includes at least one of: glycerin in which a food-preservation gas (C0 2 , argon etc.) is dispersed in the form of micro/nanobubbles; gel-forming polymer; gelatinizing agent; foaming agent; pH adjuster; water-soluble plasticizer; and/or water.
  • a food-preservation gas C0 2 , argon etc.
  • the C0 2 when C0 2 is employed as the gas, the C0 2 itself has a sterilizing effect. In some embodiments, the C0 2 , for some plants, lowers metabolism by halting respiration, retards deterioration by inhibiting the generation of ethylene gas, and prolongs the storage period.
  • glycerin can be employed as part of the packaging material. Glycerin retains foams of unstable gases, such as ozone, stably over a few months.
  • various gases are dispersed in glycerin in the form of micro/nano-bubbles, diluted, and mixed with a foaming agent (e.g., a component that stabilizes foams) which is gelatinized before application.
  • a foaming agent e.g., a component that stabilizes foams
  • glycerin can constitute at least some and/or the majority of the packaging material in terms of vol.% (e.g., 60% or above).
  • a gel-forming polymer can be added to the packaging material.
  • the polymer can be harmless to the living body.
  • a polysaccharide such as alginate, carrageenan, glycolarginate, or various pectins (homogalacturonan etc.) can be employed.
  • the molecular amount of the gel-forming polymer can be adjusted so as to allow the dried gelled foam to suitably decompose in water.
  • a water-insoluble polymer with a high molecular weight of approximately 150,000 Daltons to 500,000 Daltons and a water-soluble polymer with a low molecular weight of approximately 20,000 Daltons to 30,000 Daltons can be combined in some embodiments.
  • the molecular weight range of the gel-forming polymer can depend on the application of the packaging material. When an alginate with a higher molecular weight is used, such as a molecular weight of 300,000 Daltons, the resulting foam form of the packaging material can be readily rewettable or rehydrateable after drying (e.g., for wet foam based packaging materials).
  • a lower molecular weights such as about 20,000 Daltons to about 150,000 Daltons
  • higher molecular weights such as about 150,000 Daltons to 500,000 Daltons
  • the packaging material can include a gelatinizing agent.
  • the gelatinizing agent can help form a gel by reacting with the gel-forming polymer.
  • a gelled foam can be formed between pH 4 and pH 8.
  • the amount of gelatinizing agent should be adjusted so as to make the 10% to 60% of the gelled portion of the gel-forming polymer saturated with ions.
  • calcium pyrophosphate etc. can also be used.
  • a foaming agent can be employed.
  • a foaming agent is used so as to retain contained air and maintain the foam.
  • methylcellulose, hydroxypropyl methylcellulose, or propyleneglycol alginate can be employed.
  • the concentration can fall between 0.5 wt% and 6 wt%.
  • C0 2 gas and argon gas (described later), which are separately prepared, are sprayed and foamed by using a shear flow.
  • a pH adjuster can be added to the packaging material.
  • the pH adjuster can be one or more of lactic acid lactone, gluconolactone, and/or glucuronolactone. From the perspective of preventing the propagation of fungus, it is used in a concentration that keeps the pH between 4 and 6 (acid).
  • a water-soluble plasticizer can be used. In some embodiments, this can include one or more of sorbitol and/or polyethyleneglycol.
  • the packaging material can be soft and elastic so that it can follow deformities in foodstuffs. In order to achieve this, plasticizer concentration can be high and the ratio of plasticizer to gel-forming polymer can be from 8:1 to 4:1, for example.
  • water can be employed in the packaging material or undried form thereof.
  • the water used is clean, drinking quality water (so as to avoid contaminating foodstuffs where appropriate).
  • the water can be added in an appropriate amount.
  • the viscosity is adjusted so that it can be easily sprayed.
  • ethanol can be used to adjust the viscosity rather than, or in addition to, water.
  • a surfactant can be appropriately added to maintain the foam.
  • the surfactant can include at least one of Sodium Lauryl Sulfate, POLYSORBATE 80, Alkyl Sulfates and its salt, Sodium dodecylbenzenesulfonate, and Polyoxyethylene Sorbitan Monolaurate.
  • an additional gas can be employed to assist in the application an/or drying of packaging materials that is sprayed on or wetted.
  • a mixture of C0 2 and argon is used so as not to dilute the gas held in the liquid in the form of micro/nano-bubbles at the time of release.
  • the mixture can be 90% C0 2 and 10% argon.
  • the packaging material can be sprayed on other packaging containers (bags or plastic wrap) in advance before wrapping foodstuffs.
  • a method of packaging a product is provided.
  • Figure 2 illustrates a flow chart outlining a method of packaging a product.
  • a product or item, such as a piece of food
  • a preservative film or, more generically, a packaging material
  • the packaging material includes a preservative gas.
  • the product to be packaged is at least partially covered in the packaging material (block 420).
  • a desired amount of packaging material is removed from the product (block 430).
  • the product is ready for use (block 440).
  • the method of packaging includes providing any of the packaging materials provided herein.
  • the packaging material that is applied includes a film-forming polymer.
  • the film- forming polymer is provided as a liquid, and forms a film once it has dried.
  • a liquid that includes monomers is provided, and the monomers assemble into a liquid, film-forming, polymer upon drying and/or curing.
  • At least part of the food product is covered with the food preservative packaging material. In some embodiments, the entire food product is covered with the food preservative packaging material. In some embodiments, at least part of a surface of a food product is covered with a liquid including a film-forming polymer, and after the surface has been covered, the polymer forms a film, thus resulting in at least part of a surface of a food product that is covered in a food-preservative film. In some embodiments, the polymer forms a film upon drying. In some embodiments, the film is dried and/or cured completely. In some embodiments, the film only needs to partially dry in order to form an effective barrier.
  • the packaged food product is ready for at least one of storage, shipment, delivery, or consumption by a consumer once the packaging material is applied to the product.
  • the packaging material is a wrap or wrapping material, and thus, can be wrapped around at least a portion of the material to be sealed and/or preserved.
  • the wrap simply covers the top of another container (which need not be made of the presently disclosed packaging material).
  • the packaging material is rigid and/or at least a part of a container.
  • the method can involve placing the item to be preserved into proximity to a surface of the packaging material.
  • the item can be placed into a container, whose walls are made of the packaging material.
  • the item can be placed on top of a surface of a packaging material.
  • the item is sealed within a container, such that at least some of the packaging material is exposed to the item.
  • the item contacts the packaging material.
  • the item to be stored can be a foodstuff item.
  • the present application uses the term "food” or “foodstuff in its description and examples.
  • the present methods and compositions are not limited to foodstuff and can be applied to any item and for a variety of purposes.
  • the food product to be packaged is ripe, or otherwise ready- to-eat. In some embodiments, the food product to be packaged is not yet ripe, or will require further aging or treatment in order to be in a more desirable form for eating. In some embodiments, the gas or substance within the film will retard the ripening process. In some embodiments, the gas or substance within the material can accelerate the ripening process.
  • the food preservative film is dried.
  • the food preservative film is dried, and then applied to a surface of a food product.
  • the film is applied to a surface of a food product and then dried.
  • the film is at least partially dried, applied to a surface of a food product, and then further dried.
  • the packaging material once applied to the item, is heated to facilitate drying.
  • electromagnetic radiation is applied to the packaging material and/or item to facilitate drying.
  • the packaging material and/or item is placed in a vacuum chamber to facilitate drying.
  • the packaging material and/or item is contacted with a gas to facilitate drying.
  • the surface of the food product (or item) is covered with the packaging material by spraying.
  • the packaging material is sprayed onto at least part of a surface of the food product.
  • a liquid form or precursor to the packaging material is sprayed onto at least part of a surface of the food product. In some embodiments, this is dried or otherwise hardened once it has been applied to the surface of the food product.
  • the food product (or other item) is contacted with the packaging material, by dipping the item into, or spreading the surface of the item with a liquid precursor of the packaging material.
  • a surface of the item is contacted with a pliable packaging material, such as a film. In some embodiments, the pliable film is later hardened, although it need not be hardened completely or hardened at all.
  • the food product is stored in a preserved condition.
  • the food product is stored in a preserved condition for a time longer than would be possible if the food product had been sealed in a food preservative packaging material that lacked the food-preservation gas.
  • the presence of the food-preservative gas increases the amount of time that the food is stored in a preserved condition by about 10 minutes, 30 minutes, 1 hour, 5 hours, 12 hours, 18 hours, 1 day, 2 days, 5 days, 1 week, 2 weeks, 5 weeks, 10 weeks, 20 weeks, 30 weeks, 50 weeks, or 1 year, including any range above any one of the preceding values or any range between any two of the listed value.
  • the food when the food is stored in a preserved condition, at least one of the following parameters remains substantially unchanged: the color of the food, the shape of the food, the texture of the food, the sugar content of the food, the water content of the food, the percentage of the food that has decomposed, a bacterial count, reduced oxidation, and/or avoiding out flow of nutrition (e.g., preserving nutrition).
  • the packaging material itself can be made in any of a variety of ways, for example, mixing of the micro/nano-bubbles of gas into liquid can be performed.
  • the finer the foam is the more stable the micro/nano-bubbles of gas becomes in the liquid for a long period of time.
  • once a gaseous body becomes micro/nanobubbles it can be kept as a fine foam and will allow for an increased amount of gas to be dissolved. Accordingly, in some embodiments, the gaseous body can be retained in liquid, in either foam or dissolved state, for a long period in high concentration.
  • each type of gas is separately formed into micro/nano-bubbles and is held in glycerin in some embodiments. By doing so, multiple gases can be retained without causing any reaction among them or deterioration. Through the nano-bubbling process, bubbles can be maintained in water for more than three months.
  • micro/nano-bubbles of gas can be stably retained for a much longer period than in water. Preserved items, such as foodstuffs
  • the preserved item can be a piece of food or a "foodstuff.
  • this term (unless specified otherwise or used in the claims) is simply an exemplary item that can be stored in or with any of the packaging materials provided herein.
  • the item can be an electronic device, any object that is stored under a non-atmospheric gas composition, any object for which one desires to maintain a specific atmospheric environment, various chemicals, solvents, etc.
  • the item can be a mechanical or metallic component and the packaging material can be used for storing them with reduced rusting.
  • the packaging material can be used for storing a medical device or medicine for antimicrobial preservation.
  • the items to be stored are clothes, books, and/or pictures and the packaging material provides, for example an anti- mold capability.
  • the item results in moisture as, or just before, it begins to decay. In some embodiments, the item does not result in moisture as, or just before, it begins to decay. In some embodiments, the item is susceptible to decay and/or rot. In some embodiments, the item is not susceptible to decay and/or rot.
  • a preserved food product is provided.
  • the preserved food product includes a preserved food product, and an at least partially dried preservative coating.
  • a preserved food product is provided.
  • the preserved food product includes at least one food product.
  • the preserved food product includes about 1, 2, 3, 5, 10, 20, 50, 100, 200, 300, 500, or 1000 pieces of food or more.
  • all of the food products included in the preserved food product are of the same type of food.
  • the food products included in the preserved food product are different types of food, for example blueberries, strawberries, mangos, bananas, and raspberries.
  • the preserved food product includes a partially dried preservative film coating covering a least part of a surface of the food product or product.
  • a surface of each food product in the preserved food product is contacted by the film coating.
  • the packaging material includes an edible material.
  • the entire packaging material (for example, in a spray applied film form) is edible.
  • the packaging material becomes edible after additional treatment, for example contacting the coating with water.
  • a food preservation gas is stored within the edible material in the film coating.
  • the edible packaging material allows for sustained release of the food-preservation gas.
  • the packaging material increases its release of the food-preservation gas when exposed to moisture, which can be from the item being stored or from another source.
  • the packaging material is contacted by water, which causes part of the packaging material to dissolve, thus releasing the food- preservation gas.
  • the water is emitted from surface of the food product.
  • the packaging material increases its release of the food-preservation gas when exposed to moisture.
  • the water is emitted from surface of the food product or item.
  • the water is applied to the packaging material.
  • the amount of moisture that contacts the packaging material increases over the period of time that the food product is stored. In some embodiments, the amount of moisture that contacts the packaging material decreases over the period of time that the food product is stored.
  • the packaging material blocks at least one air hole of the food product. In some embodiments, at least one air hole is completely blocked. In some embodiments, some air holes of the food product are blocked, while other air holes are not blocked. In some embodiments, the packaging material blocks at least about 1%, 5, 10, 30, 50, 60, 65, 70, 75, 80, 85, 90, 92, 93, 94, 95, 96, 97, 98, 99 or 100% of the air holes of the food product, including any ranges above any one of the values or any range between any two of the stated values.
  • the packaging material does not block the air holes when it is first applied or put in contact with the food product, but blocks the air holes once it has dried, cured, or set.
  • the film blocks the air holes when it is first applied to the food product, and blocks the air holes when it has dried, cured, or set.
  • the air hole exists naturally or spontaneously in the food product, for example a pore in the peel of a fruit.
  • the air hole is a manufactured feature of the food product (or other item).
  • a spray device is provided.
  • the spray device includes an outlet head.
  • the spray device includes a reservoir.
  • the spray device includes a gas inlet in fluid communication with the reservoir.
  • any spray device can be used to apply a sprayable foam of the packaging material.
  • the packaging material is not applied by spraying (e.g., as noted above).
  • the spray device includes an outlet head.
  • the outlet head is configured to spray a foam sprayable material.
  • the reservoir is configured to hold a foam sprayable material.
  • the reservoir is connected with the outlet head such that fluids and gasses can move between the reservoir and the outlet head.
  • the reservoir holds a mixture of glycerin and a liquid, film-forming polymer.
  • a gas inlet is provided on the device. In some embodiments, the gas inlet is connected with the outlet head such that fluids and gasses can move between the reservoir and the gas inlet.
  • the spray device includes a static mixer.
  • the static mixer is configured to generate nano bubbles.
  • the packaging material can be in the form of a spray liquid and/or formed by mixing air in the process of spraying.
  • the material can be applied by dip coating, spraying, inkjet, painting by brush, or other type of application.
  • ultrasonic energy can be applied to the material to be stored and/or the surface coating.
  • bubbles contained in the coating material can thereby be formed.
  • the bubbles can be formed after the application of the coating.
  • the packaging material can include NaHC0 3 (sodium hydrogen carbonate, which can be decomposed by thermal energy and become C0 2 and H 2 0).
  • this packaging material can be applied in one of the manners provided herein (e.g., dip coating, spraying, inkjet, painting by brush, or any other kind of application).
  • heat or infrared energy is applied to the material to be stored and/or its surface.
  • the sodium hydrogen carbonate decomposes, generates C0 2 bubbles, and thereby produces the formed coating.
  • any other formulation and/or method that induces bubbles in a coating can be employed.
  • a foam gel packaging material including glycerin containing micro/nano-bubbles of food-preservation gas, including C0 2 and argon, and a liquid containing polymer that turns into a gel can be prepared, foamed with a high-pressure gas spray containing C0 2 and argon, and sprayed on foodstuffs.
  • a membrane-retaining atmosphere in which C0 2 and argon are contained is formed to protect the items by tight sealing while inhibiting the spread of microorganisms.
  • a mixed liquid in which micro/nano-bubbles of food-preservation gas, including C0 2 and argon, are stably held in glycerin and to which a gelatinizing agent, polysaccharide that turns into a gel, etc. is added is sealed in containers together with a spraying gas (C0 2 and argon are again used here) under high pressure, which can be supplied in a form that is useful for individual households. For example, at the household level, it can be sprayed on the surface of fruit and vegetables before storage and can be used for sterilization and as packaging for storage.
  • a spraying gas C0 2 and argon are again used here
  • At least part of a film is formed by gelatinization and drying, and this dried film can then partially dissolve from water on the surface of the item, which slowly releases C0 2 and argon, thus sterilizing the microorganism-friendly water-rich surface continuously and selectively.
  • this has an effect of controlling the metabolism by reacting with moisture generated from metabolism, which releases C0 2 , thus reacting to and/or detecting metabolic activity.
  • kits are provided.
  • the kits include at least one of: aqueous dried gelled foam that contains micro/nano-bubbles of food-preservation gas (C0 2 , argon etc.); spraying gas (C0 2 and argon); and a spraying device in which the above items are sealed.
  • the dried gelled foam packaging material is water-soluble, biodegradable, and/or edible and/or has a low environmental load. In some embodiments, it is harmless to the human body, and it does not cause problems even if it is ingested due to incomplete peeling or removal.
  • the foam packaging material is visible, it is possible to see whether the fruit and vegetables are completely sprayed. Even if there is a partial breakage, it can be remedied by additional spraying.
  • the packaging material can be applied locally on some parts of a surface (for example, cut surfaces of fruit and vegetables, which tend to decay).
  • the packaging medium is made of water- soluble, biodegradable, edible material, its environment load is low, and it is harmless to the human body.
  • An apple is selected as a food product to be coated.
  • a foam sprayable material is provided.
  • the foam sprayable material includes glycerin, the polysaccharide arginate, C0 2 , argon, water, and a UV blocker iron nanoparticle.
  • the Argon and C0 2 are at a 1:1 volume ratio at standard temperature and pressure.
  • the foam sprayable material is stored at 200 kPa.
  • a layer of the material is sprayed onto the outer surface of the apple to a substantially uniform thickness of about 500 micrometers.
  • the foam sprayable material is allowed to dry for 4 hours, thus producing a packaged apple with a film coating.
  • the film coating on the packaged apple includes voids with an average diameter of 5 micrometers.
  • the coating is a film that is 96% transparent to visible light.
  • the coating blocks the transmission of 82% of ultraviolet light.
  • the apple is further coated in a 0.5 -micrometer thick gas barrier layer of cellulose fiber, The coating on the apple will allow for the longer preservation of the apple.
  • An piece of meat is coated in a 500 micrometer-thick layer of film coating, which includes a gelled foam.
  • the gelled foam includes glycerine and arginate.
  • the gelled foam includes voids, which contain C0 2 and argon gas.
  • Six days after the meat is coated the meat releases a sufficient amount of moisture to dissolve 4% of the gelled foam, thus releasing C0 2 and argon gas from about 4% of the voids in the gelled foam.
  • the C0 2 and argon pass through the foam at a rate of 1 micron per 2 hours, eventually reaching the surface of the meat.
  • the C0 2 is toxic to 40% of the fungi on the surface of the meat, and thus inhibits fungi-mediated decomposition of the meat.
  • the Argon blocks at least some of the bacteria on the surface of the meat.
  • the treated food product stays edible for a longer time than a corresponding piece of meat that was not treated with the gelled foam.
  • a solubilized gel foam layer including polysaccharide arginate, which is water soluble and biodegradable is used to coat a collection of raspberries. 12 days later, the raspberries are purchased by a customer. The fruit is contacted with warm water at a pH of 7, which dissolves 99% of the gelled foam layer from fruit. The residual 1% of the gelled foam layer is non-toxic and edible. The fruit is ready for human consumption. Five months after the water that contains dissolved arginate is processed as waste water, the arginate is fully degraded.
  • a system having at least one of A, B, and C would include but not be limited to systems that have A alone, B alone, C alone, A and B together, A and C together, B and C together, and/or A, B, and C together, etc.).
  • a convention analogous to "at least one of A, B, or C, etc.” is used, in general such a construction is intended in the sense one having skill in the art would understand the convention (e.g., " a system having at least one of A, B, or C” would include but not be limited to systems that have A alone, B alone, C alone, A and B together, A and C together, B and C together, and/or A, B, and C together, etc.).
  • a range includes each individual member.
  • a group having 1-3 cells refers to groups having 1, 2, or 3 cells.
  • a group having 1-5 cells refers to groups having 1, 2, 3, 4, or 5 cells, and so forth.

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Zoology (AREA)
  • Food Science & Technology (AREA)
  • Wood Science & Technology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Agronomy & Crop Science (AREA)
  • Wrappers (AREA)
  • Packages (AREA)

Abstract

L'invention concerne des matériaux d'emballage d'aliments. Dans des modes de réalisation, une matière pulvérisable en mousse est mise en œuvre. Dans des modes de réalisation, le matériau d'emballage peut comprendre une mousse gélifiée comprenant des vides et un gaz de conservation des aliments contenu à l'intérieur des vides. Dans des modes de réalisation, la mousse gélifiée permet une libération continue du gaz de conservation des aliments. Dans des modes de réalisation, une matière pulvérisable en mousse est mise en œuvre. Dans des modes de réalisation, la matière comprend une matière soluble dans l'eau et à haute viscosité comprenant au moins un vide qui comprend au moins un gaz de conservation des aliments. Dans des modes de réalisation, la matière comprend par ailleurs un polymère filmogène liquide. Dans des modes de réalisation, le liquide forme un film quand il sèche. Dans des modes de réalisation, le film comprend des vides, un gaz étant contenu dans ceux-ci.
PCT/US2012/025957 2012-02-21 2012-02-21 Dispositifs de conservation des aliments et procédés d'utilisation WO2013126047A1 (fr)

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PCT/US2012/025957 WO2013126047A1 (fr) 2012-02-21 2012-02-21 Dispositifs de conservation des aliments et procédés d'utilisation

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107920568A (zh) * 2015-06-15 2018-04-17 弗劳恩霍夫应用研究促进协会 由果实和/或蔬菜制成的干燥产品以及生产方法
WO2022013504A1 (fr) 2020-07-16 2022-01-20 Institut National Polytechnique De Toulouse (Inpt) Procédé de préparation d'un matériau solide de stockage de l'ozone à base de glucides, ledit matériau et ses utilisations

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103601950B (zh) * 2013-10-20 2016-01-20 安徽嘉木橡塑工业有限公司 一种抗菌保鲜膜
US9394216B2 (en) 2014-11-10 2016-07-19 Mirtech, Inc. Complexes of 1-methylcyclopropene with metal coordination polymer networks
SG10201912917VA (en) 2016-02-19 2020-02-27 Hazel Technologies Inc Compositions for controlled release of active ingredients and methods of making same
WO2020186368A1 (fr) * 2019-03-15 2020-09-24 Nanotec S.A. Nanobulles de 1-méthylcyclopropène modifié (1-mcp)
WO2024144691A1 (fr) * 2022-12-31 2024-07-04 Atatürk Üni̇versi̇tesi̇ Fi̇kri̇ Mülki̇yet Haklari Koordi̇natörlüğü Döner Sermaye İşletmesi̇ Emballage programmé de libération d'injecteur de micropuce pour produits d'aquaculture

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7674837B2 (en) * 2003-09-08 2010-03-09 Fmc Biopolymer As Gelled biopolymer based foam
US20100144533A1 (en) * 2007-01-17 2010-06-10 Gretchen Baier Delivery of ethylene blocking and/or promoting agents
US20100189756A1 (en) * 2009-01-26 2010-07-29 Takahisa Kusuura Sheet material for antimicrobial or sterilizing purposes and process for manufacturing the same

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4889709A (en) * 1985-03-18 1989-12-26 Product Resources International, Inc. Aerosol foam with adsorbate and container containing same
US6231970B1 (en) * 2000-01-11 2001-05-15 E. Khashoggi Industries, Llc Thermoplastic starch compositions incorporating a particulate filler component
US20050100640A1 (en) * 2002-02-11 2005-05-12 Pearce Tony M. Microcapsule edibles
US20060216496A2 (en) * 2003-11-13 2006-09-28 Bernard Technologies, Inc. Gas Generating Polymers
US7863350B2 (en) * 2007-01-22 2011-01-04 Maxwell Chase Technologies, Llc Food preservation compositions and methods of use thereof
CN102046282A (zh) * 2008-03-27 2011-05-04 巴斯夫欧洲公司 聚合物泡沫体
US8771778B2 (en) * 2010-09-09 2014-07-08 Frito-Lay Trading Company, Gmbh Stabilized foam

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7674837B2 (en) * 2003-09-08 2010-03-09 Fmc Biopolymer As Gelled biopolymer based foam
US20100144533A1 (en) * 2007-01-17 2010-06-10 Gretchen Baier Delivery of ethylene blocking and/or promoting agents
US20100189756A1 (en) * 2009-01-26 2010-07-29 Takahisa Kusuura Sheet material for antimicrobial or sterilizing purposes and process for manufacturing the same

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107920568A (zh) * 2015-06-15 2018-04-17 弗劳恩霍夫应用研究促进协会 由果实和/或蔬菜制成的干燥产品以及生产方法
WO2022013504A1 (fr) 2020-07-16 2022-01-20 Institut National Polytechnique De Toulouse (Inpt) Procédé de préparation d'un matériau solide de stockage de l'ozone à base de glucides, ledit matériau et ses utilisations
FR3112495A1 (fr) 2020-07-16 2022-01-21 Ecole D'ingenieurs De Purpan (Eip) Procede de preparation d’un materiau solide de stockage de l’ozone a base de glucides, ledit materiau et ses utilisations

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