US20080226775A1 - Controlled Atmosphere Package for Bananas - Google Patents
Controlled Atmosphere Package for Bananas Download PDFInfo
- Publication number
- US20080226775A1 US20080226775A1 US11/684,686 US68468607A US2008226775A1 US 20080226775 A1 US20080226775 A1 US 20080226775A1 US 68468607 A US68468607 A US 68468607A US 2008226775 A1 US2008226775 A1 US 2008226775A1
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- United States
- Prior art keywords
- container
- package
- bananas
- membrane
- convex
- Prior art date
- Legal status (The legal status 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 status listed.)
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- 235000021015 bananas Nutrition 0.000 title claims abstract description 51
- 238000004320 controlled atmosphere Methods 0.000 title claims abstract description 7
- 240000005561 Musa balbisiana Species 0.000 title abstract 2
- 239000012528 membrane Substances 0.000 claims abstract description 47
- 241000234295 Musa Species 0.000 claims description 67
- 235000018290 Musa x paradisiaca Nutrition 0.000 claims description 18
- 229920006254 polymer film Polymers 0.000 claims description 8
- 235000012055 fruits and vegetables Nutrition 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 19
- 238000004806 packaging method and process Methods 0.000 description 14
- 238000003860 storage Methods 0.000 description 12
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 11
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 239000001301 oxygen Substances 0.000 description 7
- 229910052760 oxygen Inorganic materials 0.000 description 7
- 229910002092 carbon dioxide Inorganic materials 0.000 description 6
- 239000012620 biological material Substances 0.000 description 5
- 239000001569 carbon dioxide Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 4
- 239000005977 Ethylene Substances 0.000 description 4
- 239000013028 medium composition Substances 0.000 description 4
- 238000012856 packing Methods 0.000 description 4
- 235000013399 edible fruits Nutrition 0.000 description 3
- -1 polyethylene Polymers 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 230000005070 ripening Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012858 packaging process Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 229920001903 high density polyethylene Polymers 0.000 description 1
- 239000004700 high-density polyethylene Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229920001684 low density polyethylene Polymers 0.000 description 1
- 239000004702 low-density polyethylene Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012533 medium component Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
Images
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
- 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
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
- A23B7/00—Preservation or chemical ripening of fruit or vegetables
- A23B7/14—Preserving or ripening with chemicals not covered by groups A23B7/08 or A23B7/10
- A23B7/144—Preserving or ripening with chemicals not covered by groups A23B7/08 or A23B7/10 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—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
- A23B7/00—Preservation or chemical ripening of fruit or vegetables
- A23B7/14—Preserving or ripening with chemicals not covered by groups A23B7/08 or A23B7/10
- A23B7/144—Preserving or ripening with chemicals not covered by groups A23B7/08 or A23B7/10 in the form of gases, e.g. fumigation; Compositions or apparatus therefor
- A23B7/148—Preserving or ripening with chemicals not covered by groups A23B7/08 or A23B7/10 in the form of gases, e.g. fumigation; Compositions or apparatus therefor in a controlled atmosphere, e.g. partial vacuum, comprising only CO2, N2, O2 or H2O
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L3/00—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
- A23L3/34—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with chemicals
- A23L3/3409—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with chemicals in the form of gases, e.g. fumigation; Compositions or apparatus therefor
- A23L3/3418—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with chemicals in the form of gases, e.g. fumigation; Compositions or apparatus therefor in a controlled atmosphere, e.g. partial vacuum, comprising only CO2, N2, O2 or H2O
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
- B65D81/18—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient
- B65D81/20—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas
- B65D81/2069—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas in a special atmosphere
- B65D81/2076—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas in a special atmosphere in an at least partially rigid container
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
- B65D85/30—Containers, packaging elements or packages, specially adapted for particular articles or materials for articles particularly sensitive to damage by shock or pressure
- B65D85/34—Containers, packaging elements or packages, specially adapted for particular articles or materials for articles particularly sensitive to damage by shock or pressure for fruit, e.g. apples, oranges or tomatoes
- B65D85/345—Containers, packaging elements or packages, specially adapted for particular articles or materials for articles particularly sensitive to damage by shock or pressure for fruit, e.g. apples, oranges or tomatoes having a meshed or apertured closure to allow contents to breathe
Definitions
- the invention relates to the field of packaging fruits and vegetables and, in particular, to designs of controlled atmosphere banana packages.
- the storage conditions can be characterized by defined temperature, moisture, and gas medium composition surrounding the bananas. If the storage conditions are not adhered to, the bananas will not be delivered to the consumer in the required condition, for example, in terms of ripeness of the product, and will even spoil.
- the bananas are packaged into boxes as clusters in their green, non-ripe condition. These boxes are assembled in stacks and are placed into big transportation containers. During the process of loading and transport, a temperature between 56-59° F. is maintained. At such temperatures, the bananas can be stored for a long time.
- the temperature must be increased to 60-62° F. and the gas composition surrounding the bananas must be modified by adding ethylene to it.
- the combination of ethylene and increased temperature helps to start the ripening process.
- bananas when the bananas are delivered to the distribution network, they should not ripen too quickly, should not spoil, should preserve good market condition, and the buyer should be able to view the bananas.
- Such requirements lead to the necessity to create special packages, which provide for both the change in the gas medium composition surrounding packaged bananas and the preservation of their market condition.
- Inventions are known in the art that are related to transportation and storage of bananas, and which address the indicated tasks of packaging, transportation, and storage.
- a packaging for fruits, in particular, for bananas includes no less than one hermetically sealed bag with at least one unripe fruit placed inside it; the bag being made of a polymer film material, the thickness of which is 20-50 ⁇ m and is filled with a modified atmosphere.
- the polymer material can be low-density polyethylene, polyethylene, high-density polyethylene, polypropylene, polyethylene terephthalate, and other materials.
- the modified atmosphere includes from 2-20% oxygen (vol.), from 6-13% carbon dioxide (vol.), and from 0.1-1.5% ethylene (vol.), with the remainder being nitrogen.
- a package that includes a sealed container, respiring biological material, and a gas medium inside the container.
- the container has walls that are relatively impermeable to oxygen and carbon dioxide, and is equipped with an atmosphere-control element inside the container.
- the control element includes a gas-permeable membrane, consisting of a micro-porous film in the form of a polymer matrix, having a network of gas-impermeable pores and a polymer coating applied over the film.
- the package is said to ensure the generation of a gas medium inside the container which is favorable for storing respiring biological materials.
- the invention herein provides for the long term storage of bananas prepared for sale utilizing a modified gas medium composition, is easy to manufacture, convenient to use, and ensures a good packing factor for the bananas.
- the packaging enhances the freshness of the bananas whether they are stored at the warehouse, grocery store, or on a consumer's kitchen counter. Also, at the grocery store, this packaging provides display of bananas, so that consumers can select them.
- the controlled atmosphere package for bananas includes a container with an atmosphere control element.
- bananas usually no less than two bananas, are placed inside the container.
- the container has walls and a bottom, the upper part of the container is sealed with a polymer film.
- One of the container walls is embodied in such a way that it has a convex side which is turned outwards.
- An atmosphere control element is placed near the wall of the container which is opposite to the convex wall, and is embodied as a hole in the container bottom.
- a selective gas permeable membrane is secured to the container bottom in such a way that a hermetic seal covers the holes by said membrane.
- the bananas are placed closely together with their convex side facing the convex wall of the container.
- the packaging herein claimed enables packing bananas in the container in a row, fairly densely, without significant gaps.
- the packaging also provides the necessary gas medium composition near each banana, since it is equipped with an atmosphere control element that is located near the wall, opposite to the convex side of the container. Due to the packaging design and
- Polymer film that covers the roof of the container leaves gaps between the bananas. Through these gaps, the gas medium inside the container comes into contact with the atmosphere control element and interacts with the surface of each banana.
- the walls and the bottom of the container could be embodied as rigid.
- the walls and/or bottom of container could also be embodied as transparent to allow the consumer to view the bananas.
- the upper part of the container walls can be equipped with collars that are convenient to attach to the polymer film, thus ensuring the package is sealed.
- convex areas facing outwards could be created in the corners of the container bottom.
- the convex areas of the package create a gap between packages when they are stacked. This allows air to reach the atmosphere control element in the bottom of container.
- the selective gas-permeable membrane could be attached to the container bottom from the inside. In this case, better protection of the membrane is provided for. During storage when several packages are arranged in a stack, this membrane position insures free access of outside air to the membrane due to the presence of gap between containers created by said convex areas.
- the selective gas-permeable membrane could be attached to the container bottom in such a way that the area of generated membrane parts, which are not attached to the container bottom, will be greater than the area of the said holes.
- the membrane can also be attached to the container bottom along its perimeter, so that an area of the middle part of the membrane, which is not attached to the bottom, will be greater than the area of the said holes.
- the area of the part of the gas-permeable membrane that stays in contact with the atmosphere should be definite, depending upon the container dimensions.
- the container bottom, where the holes of the atmosphere control element are located, can be convex. This embodiment solves the following problems:
- Bananas of roughly equal degree of curvature can be placed inside the container, to ensure the highest packing factor.
- bananas of different curvature degree When bananas of different curvature degree are placed inside the container, bananas could be arranged in an order, which implies that the degree of curvature increases with the increase of the distance between the banana and the convex wall of the container. Such arrangement of the bananas also prevents the atmosphere control element from being covered by the body of banana.
- FIG. 1 the general view of the package is presented as seen from above, in FIG. 2 —as seen from above, with bananas inside.
- FIG. 3 presents a lateral cross-section view of the package and
- FIG. 5 presents the package as seen from below.
- FIG. 4 presents the cross-section of the package near the collar.
- FIG. 6 and FIG. 7 show fragments of the container bottom from above with different options for the embodiment of the atmosphere control element.
- FIG. 8 and FIG. 9 present cross-sections of the container bottom with different options for the embodiment of the atmosphere control element.
- FIG. 10 shows an option of embodying the package with a convex section of the container bottom where the holes of the atmosphere control element are located—view from above.
- FIG. 11 shows the lateral view of the same option.
- FIG. 12 shows another option of embodying a convex area of the container bottom where the atmosphere control element is located—view from above.
- FIG. 13 presents the cross-section of the container bottom.
- Banana packaging with a controlled atmosphere ( FIG. 1-FIG . 3 , FIG. 5 ) includes a container ( 1 ) with an atmosphere control element ( 2 ) and bananas ( 3 ) placed inside the container ( 1 ).
- the container ( 1 ) has walls ( 4 ) with collars ( 5 ) and a bottom ( 6 ). From above, the container ( 1 ) with bananas ( 3 ) is closed with a polymer film ( 7 ) that is hermetically secured on the collars ( 5 ).
- One of the walls ( 8 ) has an outward convex shape.
- the atmosphere control element ( 2 ) is placed near the wall ( 9 ) of the container ( 1 ) that is opposite to the convex wall ( 8 ).
- the atmosphere control element ( 2 ) is embodied in the form of at least one hole ( 10 ) in the bottom ( 6 ) of the container ( 1 ), and the selective gas-permeable membrane ( 11 ) is secured to the bottom ( 6 ) and hermetically covers the holes ( 10 ).
- Bananas ( 3 ) are placed in a row and their convex side faces the convex wall ( 8 ).
- the holes can be arranged in different ways, for example, in a line or in a circle, in the cases illustrated it is reasonable that the group of holes ( 10 ) would be covered by one membrane ( 11 ).
- a gas-permeable membrane can be composed of a micro-porous film in the form of a polymer matrix, providing for a network of gas-permeable pores.
- the material used for the selectively gas-permeable membrane ( 11 ) can be an industrially manufactured FreshPak membrane commercially available from Landec. Examples of such membranes are disclosed in U.S. Pat. Nos. 6,376,032 and 6,548,132, and PCT Application WO 03/043447, all incorporated herein by reference.
- Amcor-P-Plus Microperforated film for example, Amcor-P-Plus Microperforated film, Cryovac Oxygen Permeable multiplayer film (U.S. Pat. No. 6,294,210), Reusable Air Permeable Film (US Patent Application 2005/0003150), Bubble Films (PCT Application WO 2005/068194), as well as one-layer films: Stepac Film, paRa Fresh, Fresh Span MACP, Fresh Hold Packaging, Silicone Membrane, Teflon AF 2400 and Branched Polyolefin Membrane (U.S. Pat. No. 6,812,314).
- the membrane ( 11 ) ( FIG. 6 and FIG. 7 ) is secured to the bottom ( 6 ) to hermetically seal the holes ( 10 ).
- the holes ( 10 ) should be small in diameter so that the membrane ( 11 ) does not become damaged during the packaging process.
- its area should be higher than the total area of the holes ( 10 ). This is ensured by the corresponding attachment of the membrane ( 11 ).
- Part ( 13 ) of the membrane ( 11 ) is attached along the perimeter ( FIG. 6 , FIG. 8 ) or around the holes ( FIG. 7 , FIG. 9 ) to the bottom ( 6 ) of the container ( 1 ), leaving parts ( 14 ) of the membrane ( 11 ) unattached.
- the bottom ( 6 ) of the container ( 1 ), shown in FIG. 10 and FIG. 11 , has a convex section ( 15 ) that faces the inside of the container ( 1 ) where the atmosphere control element ( 2 ) is located. Holes ( 10 ) are located on the convex section ( 15 ) of the container ( 1 ).
- the wall ( 16 ) of section ( 15 ) is embodied as curvilinear and convex in the direction of the wall ( 8 ). This embodiment will make the container ( 1 ) more rigid, stronger, and will prevent the membrane ( 11 ) from accidental damage. Also, no additional convex sections need to be introduced into the design of the bottom ( 6 ) of the container ( 1 ) because even when stacked, the containers allow access for air to the atmosphere control element ( 2 ).
- FIG. 12 and FIG. 13 represent another option for the convex section ( 15 ). If there are no design elements in the bottom ( 6 ) of the container ( 1 ) to create a gap near the bottom ( 6 ) that allows air to access the holes ( 10 ), then a convex section ( 15 ) can be located near the wall ( 9 ).
- bananas ( 3 ) are placed in a container ( 1 ) with the atmosphere control element ( 2 ). Bananas ( 3 ) are placed in a row close to one another and are arranged with their convex side to the convex wall ( 8 ) of the container ( 1 ) ( FIG. 2 ).
- Bananas ( 3 ) with a similar curvature are placed inside the container ( 1 ). If bananas ( 3 ) with different curvatures are placed inside the container ( 1 ), bananas with a lesser curvature should be placed near the convex wall ( 8 ). In this case, bananas ( 3 ) could be arranged so that the curvature of the bananas increases as the distance increases between the banana and the convex wall of the container. Such arrangement of the bananas ( 3 ) allows them to be packed densely. Due to the curvature of the banana that is placed near the wall ( 9 ), access of the internal gas medium to the unattached parts ( 14 ) of the membrane ( 11 ) is not blocked.
- Bananas ( 3 ) can be placed inside the container in one layer, or in several layers.
- the polymer film ( 7 ) is hermetically secured on the collars ( 5 ) of the walls ( 4 ) of the container ( 1 ). This film prevents the access of atmospheric air to the packed bananas and finishes the formation of the assembled package.
- Concentration of oxygen and of carbon dioxide is maintained inside the package due to atmosphere control element during the entire period of banana storage (at the warehouse, grocery store, during the display of bananas on the counter), so that the customer could observe them, and even during the storage of the purchased banana pack on the customer's kitchen counter, on condition that it has not been opened.
Abstract
Description
- The invention relates to the field of packaging fruits and vegetables and, in particular, to designs of controlled atmosphere banana packages.
- During the processes of storing and transporting bananas, starting from harvest, going through delivery into the distribution network, and finally until the bananas are brought directly to the consumer, it is necessary to ensure certain storage conditions.
- The storage conditions can be characterized by defined temperature, moisture, and gas medium composition surrounding the bananas. If the storage conditions are not adhered to, the bananas will not be delivered to the consumer in the required condition, for example, in terms of ripeness of the product, and will even spoil. In particular, during transport and storage the bananas are packaged into boxes as clusters in their green, non-ripe condition. These boxes are assembled in stacks and are placed into big transportation containers. During the process of loading and transport, a temperature between 56-59° F. is maintained. At such temperatures, the bananas can be stored for a long time.
- To start the ripening process, the temperature must be increased to 60-62° F. and the gas composition surrounding the bananas must be modified by adding ethylene to it. The combination of ethylene and increased temperature helps to start the ripening process.
- Further on, when the bananas are delivered to the distribution network, they should not ripen too quickly, should not spoil, should preserve good market condition, and the buyer should be able to view the bananas. Such requirements lead to the necessity to create special packages, which provide for both the change in the gas medium composition surrounding packaged bananas and the preservation of their market condition.
- Inventions are known in the art that are related to transportation and storage of bananas, and which address the indicated tasks of packaging, transportation, and storage.
- In EPO Published Application EP 752378, “Controlled atmosphere package for fruit and packaging method”, published Jun. 13, 2001, a packaging for fruits, in particular, for bananas, is described that includes no less than one hermetically sealed bag with at least one unripe fruit placed inside it; the bag being made of a polymer film material, the thickness of which is 20-50 μm and is filled with a modified atmosphere. The polymer material can be low-density polyethylene, polyethylene, high-density polyethylene, polypropylene, polyethylene terephthalate, and other materials. The modified atmosphere includes from 2-20% oxygen (vol.), from 6-13% carbon dioxide (vol.), and from 0.1-1.5% ethylene (vol.), with the remainder being nitrogen.
- In U.S. Pat. No. 6,013,293, “Packing respiring biological materials with atmosphere control member”, De Moor, issued Jan. 11, 2000, a package is described that ensures the necessary gas composition in storage of fruits and vegetables, as well as other respiring biological materials. A selective gas-permeable membrane, which is a part of this package, conducts oxygen at a lower rate than other gases, in particular, carbon dioxide and ethylene. Using such a membrane in banana storage is said to ensure optimal conditions of banana ripening.
- In U.S. Pat. No. 6,548,132, “Packaging biological materials”, Clarke et al., issued Apr. 15, 2003, a package is described that includes a sealed container, respiring biological material, and a gas medium inside the container. The container has walls that are relatively impermeable to oxygen and carbon dioxide, and is equipped with an atmosphere-control element inside the container. The control element includes a gas-permeable membrane, consisting of a micro-porous film in the form of a polymer matrix, having a network of gas-impermeable pores and a polymer coating applied over the film. The package is said to ensure the generation of a gas medium inside the container which is favorable for storing respiring biological materials.
- The invention herein provides for the long term storage of bananas prepared for sale utilizing a modified gas medium composition, is easy to manufacture, convenient to use, and ensures a good packing factor for the bananas. The packaging enhances the freshness of the bananas whether they are stored at the warehouse, grocery store, or on a consumer's kitchen counter. Also, at the grocery store, this packaging provides display of bananas, so that consumers can select them.
- The controlled atmosphere package for bananas includes a container with an atmosphere control element. In use, bananas, usually no less than two bananas, are placed inside the container. The container has walls and a bottom, the upper part of the container is sealed with a polymer film. One of the container walls is embodied in such a way that it has a convex side which is turned outwards. An atmosphere control element is placed near the wall of the container which is opposite to the convex wall, and is embodied as a hole in the container bottom. A selective gas permeable membrane is secured to the container bottom in such a way that a hermetic seal covers the holes by said membrane. The bananas are placed closely together with their convex side facing the convex wall of the container.
- The packaging herein claimed enables packing bananas in the container in a row, fairly densely, without significant gaps. The packaging also provides the necessary gas medium composition near each banana, since it is equipped with an atmosphere control element that is located near the wall, opposite to the convex side of the container. Due to the packaging design and
- the positioning of the atmosphere control element near the container wall, the body of the banana, which is located near the wall in a fixed position, does not obstruct the atmosphere control element since the banana has a curved shape. Polymer film that covers the roof of the container leaves gaps between the bananas. Through these gaps, the gas medium inside the container comes into contact with the atmosphere control element and interacts with the surface of each banana.
- To achieve the non-compressibility of packaging, the walls and the bottom of the container could be embodied as rigid. The walls and/or bottom of container could also be embodied as transparent to allow the consumer to view the bananas.
- The upper part of the container walls can be equipped with collars that are convenient to attach to the polymer film, thus ensuring the package is sealed.
- To achieve a convenient arrangement of several packages in a stack, convex areas facing outwards could be created in the corners of the container bottom. The convex areas of the package create a gap between packages when they are stacked. This allows air to reach the atmosphere control element in the bottom of container.
- The selective gas-permeable membrane could be attached to the container bottom from the inside. In this case, better protection of the membrane is provided for. During storage when several packages are arranged in a stack, this membrane position insures free access of outside air to the membrane due to the presence of gap between containers created by said convex areas.
- The selective gas-permeable membrane could be attached to the container bottom in such a way that the area of generated membrane parts, which are not attached to the container bottom, will be greater than the area of the said holes. The membrane can also be attached to the container bottom along its perimeter, so that an area of the middle part of the membrane, which is not attached to the bottom, will be greater than the area of the said holes.
- To provide for the required gas atmosphere inside the package, which is preconditioned by the ratio of oxygen content to the content of CO2, the area of the part of the gas-permeable membrane that stays in contact with the atmosphere should be definite, depending upon the container dimensions. However, it is not always feasible to make the size of the holes in the container equal to the necessary area of the membrane because the larger the holes, the greater the risk of damaging the membrane during packaging. Therefore, it is suggested to make the hole area less than the area of the parts of the membrane that are not attached to the container bottom, because during the gas exchange process, pressure inside the package is less than the atmospheric pressure and part or parts of the membrane that are not attached to the bottom will be pushed inside the container (in a concave manner) and will efficiently operate during the process of gas exchange.
- The container bottom, where the holes of the atmosphere control element are located, can be convex. This embodiment solves the following problems:
-
- there is decreased risk of damaging the gas-permeable membrane, since the holes for the atmosphere control element are raised above the plane of the package bottom; and
- there is no need to introduce additional convex areas to ensure air accesses the holes of the atmosphere control element.
- Bananas of roughly equal degree of curvature can be placed inside the container, to ensure the highest packing factor.
- If there is a need to place bananas of different curvature inside the container, a banana with a lesser curvature should be placed near the convex wall, which prevents the atmosphere control element from being covered by the body of the banana.
- When bananas of different curvature degree are placed inside the container, bananas could be arranged in an order, which implies that the degree of curvature increases with the increase of the distance between the banana and the convex wall of the container. Such arrangement of the bananas also prevents the atmosphere control element from being covered by the body of banana.
- The invention is illustrated with the following drawings.
- In
FIG. 1 the general view of the package is presented as seen from above, in FIG. 2—as seen from above, with bananas inside.FIG. 3 presents a lateral cross-section view of the package andFIG. 5 presents the package as seen from below.FIG. 4 presents the cross-section of the package near the collar. -
FIG. 6 andFIG. 7 show fragments of the container bottom from above with different options for the embodiment of the atmosphere control element.FIG. 8 andFIG. 9 present cross-sections of the container bottom with different options for the embodiment of the atmosphere control element. -
FIG. 10 shows an option of embodying the package with a convex section of the container bottom where the holes of the atmosphere control element are located—view from above.FIG. 11 shows the lateral view of the same option.FIG. 12 shows another option of embodying a convex area of the container bottom where the atmosphere control element is located—view from above. -
FIG. 13 presents the cross-section of the container bottom. - Banana packaging with a controlled atmosphere (
FIG. 1-FIG . 3,FIG. 5 ) includes a container (1) with an atmosphere control element (2) and bananas (3) placed inside the container (1). The container (1) has walls (4) with collars (5) and a bottom (6). From above, the container (1) with bananas (3) is closed with a polymer film (7) that is hermetically secured on the collars (5). One of the walls (8) has an outward convex shape. The atmosphere control element (2) is placed near the wall (9) of the container (1) that is opposite to the convex wall (8). The atmosphere control element (2) is embodied in the form of at least one hole (10) in the bottom (6) of the container (1), and the selective gas-permeable membrane (11) is secured to the bottom (6) and hermetically covers the holes (10). Bananas (3) are placed in a row and their convex side faces the convex wall (8). - There can be just one hole (10) in the bottom of the container (1) or there can be multiple holes (10) (
FIG. 6-FIG . 9). The holes can be arranged in different ways, for example, in a line or in a circle, in the cases illustrated it is reasonable that the group of holes (10) would be covered by one membrane (11). - On the bottom (6) of the container (1) there are convex areas (12) (
FIG. 3 ,FIG. 5 ) used to arrange a number of packages into a stack. This would allow air to flow between the stacked containers. - A gas-permeable membrane can be composed of a micro-porous film in the form of a polymer matrix, providing for a network of gas-permeable pores. The material used for the selectively gas-permeable membrane (11) can be an industrially manufactured FreshPak membrane commercially available from Landec. Examples of such membranes are disclosed in U.S. Pat. Nos. 6,376,032 and 6,548,132, and PCT Application WO 03/043447, all incorporated herein by reference.
- Besides the indicated material, other multi-layer materials can be used:
- for example, Amcor-P-Plus Microperforated film, Cryovac Oxygen Permeable multiplayer film (U.S. Pat. No. 6,294,210), Reusable Air Permeable Film (US Patent Application 2005/0003150), Bubble Films (PCT Application WO 2005/068194), as well as one-layer films: Stepac Film, paRa Fresh, Fresh Span MACP, Fresh Hold Packaging, Silicone Membrane, Teflon AF 2400 and Branched Polyolefin Membrane (U.S. Pat. No. 6,812,314).
- The membrane (11) (
FIG. 6 andFIG. 7 ) is secured to the bottom (6) to hermetically seal the holes (10). In this case, the holes (10) should be small in diameter so that the membrane (11) does not become damaged during the packaging process. However, to ensure the required rate of gas exchange of the internal medium of the package with the atmosphere, which is ensured by the corresponding surface of the membrane (11) staying in contact with the atmosphere, its area should be higher than the total area of the holes (10). This is ensured by the corresponding attachment of the membrane (11). Part (13) of the membrane (11) is attached along the perimeter (FIG. 6 ,FIG. 8 ) or around the holes (FIG. 7 ,FIG. 9 ) to the bottom (6) of the container (1), leaving parts (14) of the membrane (11) unattached. - The bottom (6) of the container (1), shown in
FIG. 10 andFIG. 11 , has a convex section (15) that faces the inside of the container (1) where the atmosphere control element (2) is located. Holes (10) are located on the convex section (15) of the container (1). The wall (16) of section (15) is embodied as curvilinear and convex in the direction of the wall (8). This embodiment will make the container (1) more rigid, stronger, and will prevent the membrane (11) from accidental damage. Also, no additional convex sections need to be introduced into the design of the bottom (6) of the container (1) because even when stacked, the containers allow access for air to the atmosphere control element (2). -
FIG. 12 andFIG. 13 represent another option for the convex section (15). If there are no design elements in the bottom (6) of the container (1) to create a gap near the bottom (6) that allows air to access the holes (10), then a convex section (15) can be located near the wall (9). - During the packaging process, bananas (3) are placed in a container (1) with the atmosphere control element (2). Bananas (3) are placed in a row close to one another and are arranged with their convex side to the convex wall (8) of the container (1) (
FIG. 2 ). - Bananas (3) with a similar curvature are placed inside the container (1). If bananas (3) with different curvatures are placed inside the container (1), bananas with a lesser curvature should be placed near the convex wall (8). In this case, bananas (3) could be arranged so that the curvature of the bananas increases as the distance increases between the banana and the convex wall of the container. Such arrangement of the bananas (3) allows them to be packed densely. Due to the curvature of the banana that is placed near the wall (9), access of the internal gas medium to the unattached parts (14) of the membrane (11) is not blocked.
- Bananas (3) can be placed inside the container in one layer, or in several layers.
- Also, the polymer film (7) is hermetically secured on the collars (5) of the walls (4) of the container (1). This film prevents the access of atmospheric air to the packed bananas and finishes the formation of the assembled package.
- While the bananas are being stored in the package, atmospheric air passes through the holes (10) in the bottom (6) of the container (1) to the external side of the unattached parts (14) of the membrane (11). Through gas permeable parts (14) of the membrane (11), gas exchange occurs by the difference in concentration of gas medium components inside the package (1) and the external atmospheric air. An atmosphere is generated inside the package, which has an oxygen content that is lower than that of atmospheric air (approximately 2-4%) and carbon dioxide content which is higher than that of atmospheric air (approximately 4-7%).
- Concentration of oxygen and of carbon dioxide is maintained inside the package due to atmosphere control element during the entire period of banana storage (at the warehouse, grocery store, during the display of bananas on the counter), so that the customer could observe them, and even during the storage of the purchased banana pack on the customer's kitchen counter, on condition that it has not been opened.
Claims (15)
Priority Applications (16)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/684,686 US20080226775A1 (en) | 2007-03-12 | 2007-03-12 | Controlled Atmosphere Package for Bananas |
PCT/US2008/054856 WO2009073241A1 (en) | 2007-03-12 | 2008-02-25 | Controlled atmosphere package for bananas |
AU2008331769A AU2008331769B2 (en) | 2007-03-12 | 2008-02-25 | Controlled atmosphere package for bananas |
CN2008800139229A CN101720188B (en) | 2007-03-12 | 2008-02-25 | Controlled atmosphere package for bananas |
MX2009010239A MX2009010239A (en) | 2007-03-12 | 2008-02-25 | Controlled atmosphere package for bananas. |
AP2009004978A AP2688A (en) | 2007-03-12 | 2008-02-25 | Controlled atmosphere pack age for bananas |
CA002681352A CA2681352A1 (en) | 2007-03-12 | 2008-02-25 | Controlled atmosphere package for bananas |
EP08730618A EP2157866A1 (en) | 2007-03-12 | 2008-02-25 | Controlled atmosphere package for bananas |
PCT/US2008/056465 WO2008112669A1 (en) | 2007-03-12 | 2008-03-11 | Controlled atmosphere package for bananas |
EC2009009632A ECSP099632A (en) | 2007-03-12 | 2009-09-14 | PACKAGED IN CONTROLLED ATMOSPHERE FOR BANANAS |
GT200900246A GT200900246A (en) | 2007-03-12 | 2009-09-14 | PACK IN CONTROLLED ATMOSPHERE FOR BANANAS |
ZA2009/06416A ZA200906416B (en) | 2007-03-12 | 2009-09-15 | Controlled atmosphere package for bananas |
NI200900169A NI200900169A (en) | 2007-03-12 | 2009-09-16 | PACKAGE IN A CONTROLLED ATMOSPHERE FOR BANANAS. |
EC2009009664A ECSP099664A (en) | 2007-03-12 | 2009-09-30 | PACKAGED IN CONTROLLED ATMOSPHERE FOR BANANAS |
HN2009002083A HN2009002083A (en) | 2007-03-12 | 2009-10-07 | PACK IN CONTROLLED ATMOSPHERE FOR BANANAS |
CR11056A CR11056A (en) | 2007-03-12 | 2009-10-08 | PACK IN CONTROLLED ATMOSPHERE FOR BANANAS |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/684,686 US20080226775A1 (en) | 2007-03-12 | 2007-03-12 | Controlled Atmosphere Package for Bananas |
Publications (1)
Publication Number | Publication Date |
---|---|
US20080226775A1 true US20080226775A1 (en) | 2008-09-18 |
Family
ID=39456523
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/684,686 Abandoned US20080226775A1 (en) | 2007-03-12 | 2007-03-12 | Controlled Atmosphere Package for Bananas |
Country Status (14)
Country | Link |
---|---|
US (1) | US20080226775A1 (en) |
EP (1) | EP2157866A1 (en) |
CN (1) | CN101720188B (en) |
AP (1) | AP2688A (en) |
AU (1) | AU2008331769B2 (en) |
CA (1) | CA2681352A1 (en) |
CR (1) | CR11056A (en) |
EC (2) | ECSP099632A (en) |
GT (1) | GT200900246A (en) |
HN (1) | HN2009002083A (en) |
MX (1) | MX2009010239A (en) |
NI (1) | NI200900169A (en) |
WO (2) | WO2009073241A1 (en) |
ZA (1) | ZA200906416B (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2563674A1 (en) * | 2010-04-19 | 2013-03-06 | Freshtec, Inc. | Treatment of modified atmosphere packaging |
US9457953B1 (en) | 2014-12-06 | 2016-10-04 | United Source Packaging LLC | Produce bag with selective gas permeability |
US10093473B1 (en) * | 2016-01-06 | 2018-10-09 | Paris Stanford | Banana-storing device |
US20210171261A1 (en) * | 2016-05-24 | 2021-06-10 | Curation Foods, Inc. | Pallet Bag System |
US20220061344A1 (en) * | 2020-09-02 | 2022-03-03 | Augusto Cesar Fernandini Frias | Vegetable conservation process |
WO2023140960A1 (en) * | 2022-01-20 | 2023-07-27 | Pollack Alex J | System and method of accelerated individual banana ripening |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105432773A (en) * | 2015-11-17 | 2016-03-30 | 食曰(上海)生物科技有限公司 | Packaging bottle and storing method applied for fresh Chinese wolfberry fruits |
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- 2008-02-25 EP EP08730618A patent/EP2157866A1/en not_active Withdrawn
- 2008-02-25 CN CN2008800139229A patent/CN101720188B/en not_active Expired - Fee Related
- 2008-03-11 WO PCT/US2008/056465 patent/WO2008112669A1/en active Application Filing
-
2009
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- 2009-09-15 ZA ZA2009/06416A patent/ZA200906416B/en unknown
- 2009-09-16 NI NI200900169A patent/NI200900169A/en unknown
- 2009-09-30 EC EC2009009664A patent/ECSP099664A/en unknown
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- 2009-10-08 CR CR11056A patent/CR11056A/en not_active Application Discontinuation
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EP2563674A1 (en) * | 2010-04-19 | 2013-03-06 | Freshtec, Inc. | Treatment of modified atmosphere packaging |
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US10093473B1 (en) * | 2016-01-06 | 2018-10-09 | Paris Stanford | Banana-storing device |
US20210171261A1 (en) * | 2016-05-24 | 2021-06-10 | Curation Foods, Inc. | Pallet Bag System |
US20220061344A1 (en) * | 2020-09-02 | 2022-03-03 | Augusto Cesar Fernandini Frias | Vegetable conservation process |
WO2023140960A1 (en) * | 2022-01-20 | 2023-07-27 | Pollack Alex J | System and method of accelerated individual banana ripening |
Also Published As
Publication number | Publication date |
---|---|
WO2009073241A1 (en) | 2009-06-11 |
AP2688A (en) | 2013-06-27 |
WO2009073241A8 (en) | 2010-03-04 |
AP2009004978A0 (en) | 2009-10-31 |
HN2009002083A (en) | 2011-05-25 |
WO2008112669A1 (en) | 2008-09-18 |
CN101720188B (en) | 2012-11-28 |
AU2008331769B2 (en) | 2012-10-11 |
GT200900246A (en) | 2012-12-06 |
CN101720188A (en) | 2010-06-02 |
CR11056A (en) | 2010-02-11 |
CA2681352A1 (en) | 2009-06-11 |
ECSP099632A (en) | 2009-10-30 |
MX2009010239A (en) | 2010-04-30 |
ECSP099664A (en) | 2009-10-30 |
AU2008331769A1 (en) | 2009-06-11 |
ZA200906416B (en) | 2011-11-30 |
NI200900169A (en) | 2010-08-20 |
EP2157866A1 (en) | 2010-03-03 |
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