WO1994008463A1 - Sac pour la conservation des legumes et des fruits - Google Patents

Sac pour la conservation des legumes et des fruits Download PDF

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Publication number
WO1994008463A1
WO1994008463A1 PCT/JP1993/001512 JP9301512W WO9408463A1 WO 1994008463 A1 WO1994008463 A1 WO 1994008463A1 JP 9301512 W JP9301512 W JP 9301512W WO 9408463 A1 WO9408463 A1 WO 9408463A1
Authority
WO
WIPO (PCT)
Prior art keywords
bag
vegetables
surface area
fruits
area ratio
Prior art date
Application number
PCT/JP1993/001512
Other languages
English (en)
Japanese (ja)
Inventor
Takahide Saito
Original Assignee
Sumitomo Bakelite Company Limited
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
Priority claimed from JP28164392A external-priority patent/JP3117556B2/ja
Priority claimed from JP28164692A external-priority patent/JP3117559B2/ja
Priority claimed from JP28164892A external-priority patent/JP3154441B2/ja
Priority claimed from JP28164792A external-priority patent/JP3154440B2/ja
Priority claimed from JP28164592A external-priority patent/JP3117558B2/ja
Priority claimed from JP28164992A external-priority patent/JP3154442B2/ja
Priority claimed from JP28165092A external-priority patent/JP3154443B2/ja
Priority claimed from JP28164492A external-priority patent/JP3117557B2/ja
Priority claimed from JP29531292A external-priority patent/JP3154447B2/ja
Priority claimed from JP29531092A external-priority patent/JP3154445B2/ja
Priority claimed from JP29531192A external-priority patent/JP3154446B2/ja
Application filed by Sumitomo Bakelite Company Limited filed Critical Sumitomo Bakelite Company Limited
Priority to AU52857/93A priority Critical patent/AU5285793A/en
Publication of WO1994008463A1 publication Critical patent/WO1994008463A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/18—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material
    • 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
    • B65D33/00—Details of, or accessories for, sacks or bags
    • B65D33/01—Ventilation or drainage of bags

Definitions

  • the fruits and vegetables can be resealed to maintain freshness by continuing respiration under an appropriate oxygen atmosphere even after the fruits and vegetables are repackaged in a perforated plastic film bag. It relates to a bag for storing fruits and vegetables with a mechanism.
  • bags for storing fruits and vegetables which are generally provided as bags for storing fruits and vegetables, especially for films containing mineral substances, or for permeating oxygen and releasing moisture.
  • a bag made of perforated film is marketed as a bag for storing fruits and vegetables.
  • most of the films using these minerals (1) had poor transparency, and none of them could satisfy the reproducibility of the effect on the preservation of fruits and vegetables.
  • bags made of the above-mentioned film for general household use are marketed as bags for storing fruits and vegetables.
  • the opening of the bag must be covered with a rubber band. It is a method that can be stopped or folded and stopped with a clip, etc., or tied and tied, and the sealing property is unstable, so it is not satisfactory because it lacks uniformity and stability of storage What won.
  • Japanese Patent Application Laid-Open No. 54-79393 discloses that small pores having a diameter of 0.5 to 3.6 mm have a total pore area of 1.0 to 10 mm 2 with a surface area of 600 cm z.
  • a method of packaging ripening fruits in which a polyethylene film bag having a percentage of ripening is sealed is described.However, each pore is quite large, and taking the minimum value of the total pore area, While opening area ratio 1. is 6 7 X 1 0 one 4% looking at the example, pore size 1. 5 mm 2 pieces hole or pore diameter 1. 0 mm hole four surface area 6 0 0 0 since those provided in a polyethylene bag cm 2, open area ratio in this case is 5.
  • fruits and vegetables need to supply a small amount of oxygen and maintain an oxygen amount within a range that does not cause anaerobic respiration. Has been found to be able to maintain its freshness over a long period of time.
  • JP-A-53-51096 discloses that a laminated film of a heat-sealable film and a film having a melting point higher than that of the heat-sealable film has a hole of 0.1 to 2 mm in diameter of lcm. 2 per 2 5 ⁇ : L 0 0 pieces arranged breathability
  • a packaging material is described, but the actual packaged product is an oxygen scavenger containing hydrosulfite as a main material and disclosed in Japanese Patent Application Laid-Open No. 54-07793. It is one order of magnitude higher than the pore area ratio. Purpose of the invention
  • the object of the present invention was made as a result of various studies to solve the problem of the conventional bag for storing fruits and vegetables, wherein the film of the body constituting the bag was formed of a perforated film, and By providing a bag with a mouth opening and closing mechanism that can be resealed at the opening, the minimum amount of oxygen necessary for the survival of fruits and vegetables is provided, and by keeping the fruits and vegetables in a so-called hibernation state, An object of the present invention is to provide a bag capable of stably storing fruits and vegetables over a long period of time by suppressing browning and growth, which are obstacles to high oxygen content. Disclosure of the invention
  • one or both surfaces constituting the body of the bag may have pores having an average pore diameter of 10 to 150 m, preferably 40 to L0 m, and particularly preferably 50 to 80 ⁇ . It consists of a plastic film or a composite film consisting of a plurality of plastic films and metal foil, paper, cloth, etc., and the ratio of the open area of the perforated film surface to the total inner surface area of the bag is 1 X 10 _7 to 2 X 10 _4 %, which is a bag for storing fruits and vegetables, characterized in that a resealable mouth opening / closing mechanism is provided at the top opening of the bag.
  • FIG. 1 is a side view of a flat bag that is at least ordinary among the bags of the present invention: Preferred embodiments of the invention
  • the inside surface area of the bag for storing fruits and vegetables of the present invention is preferably 50 to 350 cm 2 per 10 g of the fruits and vegetables to be filled.
  • the shape of the bag can be a flat bag, a gusset bag or a self-supporting bag.
  • the body of the bag has a shape drawn toward the inside of the bag and has a shape provided with a rib mechanism.
  • the zipper is provided with an uneven zipper for fitting and locking into the opening of the bag.
  • the plastic film constituting the bag for preserving fruits and vegetables of the present invention is not particularly limited, and may be any film, for example, polyolefin such as polyethylene and polypropylene, polyvinyl chloride, polyamide, polyester and the like. Or a functional multilayer film combining these plastics.
  • a material such as a two-layer film of nylon Z polyethylene is excellent in terms of washing and reuse. ing.
  • a composite film made of a combination of plastic and other materials such as metal foil, paper, and cloth.
  • the film forming the body of the bag of the present invention has a fine structure. It is essential to make a hole, and the ratio of the area of the hole to the total inner surface area of the bag must be selected from the range of 1 X 10 "to 2 X 10_4 %. fruits or vegetables when the area ratio is saved vegetables and fruits if 1 X 1 0- 7% or less is there a risk cormorants want to anaerobic respiration, also 2 X 1 ⁇ too permeate oxygen is equal to or one more than 4% want In addition, respiratory action becomes active and long-term storage becomes difficult.
  • the perforated film constituting the bag of the present invention may be one in which only one side of the body of the bag is opened or one in which both sides are opened.
  • the hole shape may be a polygon such as a circle, a triangle, or a rectangle, and the average diameter is 10 to 150; m. It is preferably from 40 to 80 xm, more preferably from 40 to 80 xm. If the pore size is 10 or less, processability is poor, and if it is 150 or more, the moisture evaporating from the fruits and vegetables goes out of the bag, which is not preferable.
  • the number of holes in the hole is calculated based on the ratio of the opening area and the average hole diameter.
  • the holes may be blocked due to adhesion of contents or external conditions such as the attachment of a price list.
  • multiple holes are preferable, and more than 5 holes are required per bag.
  • the aperture area ratio must be set to a large value of 0.1 to 3.0%. It is impossible to control gas and other gas, and oxygen gas is virtually free-passed, so in the case of the present invention, the sum of the water vapor transmission rate of the film itself and the water vapor transmission rate from the opening is used.
  • water vapor transmission rate as the value is, 8 0 0 g JIT 2 d one 1 atm "1 below (2 5 ° C, measured at a relative humidity of 7 5%), preferably 8 0 gm one 2 d one 1 atm one 1 below , particularly preferably der 1 0 gm one 2 d one 1 atm one 1 below Adjust so that
  • the shape of the bag of the present invention is a flat bag, a gusset bag or a free-standing bag.
  • the shape of the self-standing bag may be a Dipak-shaped bag or a square-bottomed bag. There is no problem if the part is squeezed upward, that is, a so-called bottle shape, or a part of the body part that is squeezed. It can be a self-standing bag that has a squeezed shape and a shape with a rib mechanism.
  • the opening of the bag of the present invention needs to be provided with a mouth opening / closing mechanism capable of resealing, and a zipper-shaped one having an uneven shape for fitting and locking these mechanisms.
  • a mouth opening / closing mechanism capable of resealing
  • a zipper-shaped one having an uneven shape for fitting and locking these mechanisms.
  • a zipper having a heat-sealed upper portion for improving the sealing property and having a virgin property can be used.
  • the leafy vegetables are spinach, broccoli, moloheiya, cabbage, Chinese cabbage, beans containing pods (eg, green soybeans), green peas, peppers, green onions, asparagus, etc.
  • the fruits are apples, pears, grapes, power bosses, sudachi, etc.
  • the root vegetables are onions, carrots, turnips, radish And so on. Bananas are exceptionally breathable among fruits, and need to be considered separately from ordinary fruits.
  • temperature control during distribution and storage is an important point in maintaining the freshness of vegetables, etc., and the respiration of fruits and vegetables naturally depends on these temperatures. Although their respiratory volume also increases, the present invention assumes that these temperatures are between 0 and 15 ° C, usually between 5 and 15 ° C.
  • the bag for storing fruits and vegetables is a bag using a perforated film and having an opening / closing mechanism capable of being resealed. It has several levels of storage stability compared to storage in a bag made of non-porous plastic film, and has several times the storage stability of non-wrapped plastic film. In other words, while preventing the odor generated by anaerobic respiration of fruits and vegetables, and also preventing the digestion of sugar by anaerobic respiration, preventing browning, growth and ripening due to excessive oxygen, and maintaining the freshness of fruits and vegetables It can be stored for a long time.
  • the optimal range of the open area ratio and bag surface area did not seem to change much depending on the type of fruits and vegetables, but there was considerable variation in each optimal range, contrary to expectations.
  • the respective optimum ranges are as follows. Spinach open area ratio 7 X 1 0 3 ⁇ 2 X 1 0 one 40/0 bag surface area 2 0 0 ⁇ 9 OO c mV l OO g broccoli open area ratio 1 X 1 0 _s ⁇ 2 X 1 0 _4% , bag surface area 1 0 0 ⁇ 7 0 0 cm 2 /1 0 0 g I catcher open area to Morro ratio 1 X 1 0 ⁇ 2 X 1 0 one 4%
  • Bag surface area 6 0 0 ⁇ 2 0 0 0 cm 2/1 0 0 g sliced cabbage open area ratio 1 X 1 0 _s ⁇ 2 X 1 ⁇ _4%
  • Bag surface area 100 to 600 cm z / 100 g Apple Open area ratio 1 X 10 to 5 X 10 15 %
  • a bag with the same size and thickness as in Example 1 but with a jigper.It is non-porous and packed with 150 g of spinach as in Example 1, stored in a refrigerator for 7 days, and then opened. saw. There was an odor, and soft rot was seen at the tip of the leaf, and he was hesitant to eat it.
  • Example 2 In the bag with a zipper used in Example 1, 16 holes (average hole diameter: 40 ⁇ m) were opened (8 on each side), and a bag having an opening area ratio of 1.7 X 10 _S % was used. tri Te apples 3 pieces of (Fuji) (8 2 5 g) insertion (apples 1 0 0 g bag surface area 14 5 C m z Atari), after storage for 3 weeks in the refrigerator to seal closed the zipper I put it out and saw the taste. Apple ⁇ is in a state before storage There was also a clear pattern of the cut surface, and the apple scent was also ample.
  • Example 2 An apple was used in the same manner as in Example 2 except that a bag having the same size as that used in Example 2 and four holes with a diameter of 5 mm were drilled (open area ratio 6. ⁇ 4X10 to 2 %). 3 pieces were put, and the opening part was bent, and it was stopped with cellophane tape, put in a refrigerator, stored for 3 weeks, and taken out. The appearance was withered and the color of the skin was darkened, the taste was slightly blurred, the cut surface was blurred, and the pattern was not clear.
  • a self-standing bag with a zipper made of polyethylene film of the same thickness as that of the bag used in Example 3 and a self-standing bag with lint (50 g) were put in, the zipper was closed and sealed, taken out of the refrigerator and stored for 3 weeks, and then taken out. .
  • the cut onion has started to softly decay on the leaf tip, and when the bag is opened, it is released by anaerobic respiration. Along with the fermented odor, the odor peculiar to leeks was too strong to use.
  • Example 4 250 g of sprouts were packed in a nonporous flat bag of the same material, size and thickness as in Example 4, stored in a refrigerator for 3 days, and then opened. There was no browning or greening, but it had an odor and was hesitant for food.
  • Zino as shown here. "—A flat bag with an inner size of 15 cm x 20 cm and a thickness of 25 ⁇ m and a thickness of 25 ⁇ m.
  • the body 1 of the bag 1 has eight holes 2 with an average pore size of 60 ⁇ m (4 per side). Open each, and make the opening area ratio 3.8 x 10 " 5 %, put about 200 g of green soybean in this bag (the inner surface area of bag per 100 g of green soybean is 300 cm 2 ), Close zipper 4 in opening 3 and in refrigerator (about 5 ° C)
  • Example 5 Similar to Example 5, 200 g of green soybeans were packed in a non-porous flat bag having the same material, size, and thickness as in Example 5, stored in a refrigerator for 3 days, and then opened. No browning or greening was observed, but there was some odor and the taste was not good due to the decrease in sugar content.
  • Protocollie was packed in a non-porous flat bag having the same material, size and thickness as in Example 6, stored in a refrigerator for 3 days, and then opened. No yellowing was observed, but the odor was strong, mold had developed, and decay had started.
  • Example 7 100 g of Morohya was packed in a nonporous flat bag having the same material, size and thickness as in Example 7, stored in a refrigerator for 3 days, and then opened. No browning and wilting were observed, but the leaves had begun to darken and were hesitant to eat.
  • Fig. 1 the body of a two-layer film bag made of nylon (thickness: 15 ⁇ ) and polyethylene (thickness: 35 m) with inner dimensions of 32 cm x 35 cm and a zippered flat bag as shown in Figure 1 Drill 14 holes (7 on each side) with an average pore diameter of 8 Om in part 1 and make the open area ratio 3.1 X 10 _S %. Put 1 kg of sliced cabbage in this bag (slice 100 g of cabbage was heated in a bag with a surface area of 224 cm 2 ), the zipper 4 in the opening 3 was closed, stored in a refrigerator (about 5 ° ⁇ ) for 7 days, then removed and observed for odor and appearance. The fruits were almost the same as before storage, and were fully edible. Comparative Example 9
  • Example 8 1 kg of sliced cabbage was packed in a nonporous flat bag of the same material, size and thickness as in Example 8, stored in a refrigerator for 3 days, and then opened. The fermentation smell was strong, and decay had begun.
  • a flat bag with a zipper as shown in Fig. 1 and a double-layer film bag of nylon (thickness: 15 ⁇ ) and polyethylene (thickness: 35 m) with inner dimensions of 32 cm x 35 cm and a thickness of 50 m 16 holes 2 (8 holes on each side) with an average pore diameter of 8 Om are opened in the body 1 of the bag, and the opening area ratio is 3.6 X 10 _s %.
  • Example 1 In a non-porous flat bag of the same material, size and thickness as in Example 10, pack 1 kg of sliced onion as in Example 10 and store it in a refrigerator (about 5 ° C) for 3 days. I tried. The slicing surface became transparent and rot began: Example 1 1
  • Fig. 1 It is a flat bag with a zipper as shown in Fig. 1 and is made of a nylon (15 m thick) / polyethylene (35 ⁇ m thick) two-layer film with an inner dimension of 25 cm x 35 cm and a thickness of 50 m. 40 holes 2 with an average diameter of 80 m in the body 1 of the bag
  • Example 11 As in Example 11, 1 kg of shredded cucumber was packed in a nonporous flat bag of the same material, size and thickness as in Example 1 and stored in a refrigerator (about 5 ° C) for 3 days. Then I opened it. It had discolored, had a strong odor, and had started to rot.
  • Example 12 Using the same stretched polypropylene of 30 m thickness as in Example 12 Product ratio is 7. 0 X 1 0 over 4 ° /.
  • Product ratio is 7. 0 X 1 0 over 4 ° /.
  • 250 g of asparagus was packed in a flat bag having 94 holes with an average pore diameter of 100 m, and stored in a refrigerator (about 5 ° C) for 3 days. Then I opened it. There was no odor, but it had discolored and the tip had started to rot.
  • Fig. 1 It is a flat bag with a zipper as shown in Fig. 1 and has an inner dimension of 32 cm x 35 cm and a thickness of 50 im of nylon (thickness 15 / irn) / polyethylene (thickness 35 ⁇ m). 3 6 holes 2 with an average pore size of 80 / «m in the body 1 of the layer film bag
  • Example 13 1 kg of shredded carrot is packed in a non-porous flat bag of the same material, size and thickness as in Example 13 and stored in a refrigerator (about 5 ° C) for 3 days. I sealed it. The lactic acid fermented smell was strong, and rot had begun.

Abstract

Sac pour la conservation des légumes et des fruits, dans lequel une ou les deux surfaces constituant une partie corps du sac comportent un film plastique poreux ou un film composite poreux composé d'un film plastique et d'une feuille de métal, papier, tissu, etc., présentant une pluralité de pores d'un diamètre moyen de 10 à 150 νm, un rapport surface de pores ouverts du film poreux/surface intérieure totale du sac compris entre 1x10-6 et 2x10-4 %, et un mécanisme d'ouverture/fermeture permettant de refermer la gueule du sac est prévu sur la partie ouverte supérieure du sac. Ce sac permet une bonne conservation des fruits et des légumes pendant une longue durée.
PCT/JP1993/001512 1992-10-20 1993-10-20 Sac pour la conservation des legumes et des fruits WO1994008463A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU52857/93A AU5285793A (en) 1992-10-20 1993-10-20 Vegetables and fruit preservation bag

Applications Claiming Priority (24)

Application Number Priority Date Filing Date Title
JP28164792A JP3154440B2 (ja) 1992-10-20 1992-10-20 スライスキャベツ入り包装体
JP4/281643 1992-10-20
JP28164592A JP3117558B2 (ja) 1992-10-20 1992-10-20 ブロッコリー入り包装体
JP4/281649 1992-10-20
JP4/281648 1992-10-20
JP4/281647 1992-10-20
JP4/281644 1992-10-20
JP28164992A JP3154442B2 (ja) 1992-10-20 1992-10-20 スライスネギ入り包装体
JP28164392A JP3117556B2 (ja) 1992-10-20 1992-10-20 枝豆入り包装体
JP4/281645 1992-10-20
JP28164892A JP3154441B2 (ja) 1992-10-20 1992-10-20 バナナ入り包装体
JP4/281650 1992-10-20
JP4/281646 1992-10-20
JP28164692A JP3117559B2 (ja) 1992-10-20 1992-10-20 モロヘイヤ入り包装体
JP28165092A JP3154443B2 (ja) 1992-10-20 1992-10-20 スライスタマネギ入り包装体
JP28164492A JP3117557B2 (ja) 1992-10-20 1992-10-20 ほうれん草入り包装体
JP4/283079 1992-10-21
JP28307992 1992-10-21
JP4/295311 1992-11-04
JP4/295310 1992-11-04
JP29531292A JP3154447B2 (ja) 1992-11-04 1992-11-04 千切りニンジン入り包装体
JP29531092A JP3154445B2 (ja) 1992-11-04 1992-11-04 千切りキュウリ入り包装体
JP4/295312 1992-11-04
JP29531192A JP3154446B2 (ja) 1992-11-04 1992-11-04 アスパラ入り包装体

Publications (1)

Publication Number Publication Date
WO1994008463A1 true WO1994008463A1 (fr) 1994-04-28

Family

ID=27583534

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP1993/001512 WO1994008463A1 (fr) 1992-10-20 1993-10-20 Sac pour la conservation des legumes et des fruits

Country Status (1)

Country Link
WO (1) WO1994008463A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000007895A1 (fr) * 1998-08-07 2000-02-17 General Mills, Inc. Contenant pour stockage de fines particules
US6126975A (en) * 1998-08-07 2000-10-03 General Mills, Inc. Container for storing fine particles
US6378272B1 (en) 1998-08-07 2002-04-30 General Mills, Inc. Method of making a container for storing fine particles
WO2003066476A1 (fr) * 2002-02-09 2003-08-14 Sherman Kau Sac sterilise comprenant des films de filtration multicouches
WO2019082147A1 (fr) * 2017-10-27 2019-05-02 Instituto De Capacitación E Investigación Del Plástico Y Del Caucho - Icipc Surface pour l'échange de substances à l'état gazeux

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61259982A (ja) * 1985-11-12 1986-11-18 東洋紡績株式会社 青果物の保存方法
JPH0372843A (ja) * 1989-08-11 1991-03-28 Kureha Tec Kk 複合包装材料
JPH0453445A (ja) * 1990-06-21 1992-02-21 Sumitomo Chem Co Ltd 青果物鮮度保持用包装袋
JPH05168400A (ja) * 1991-12-26 1993-07-02 Sumitomo Bakelite Co Ltd 青果物入り包装体

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61259982A (ja) * 1985-11-12 1986-11-18 東洋紡績株式会社 青果物の保存方法
JPH0372843A (ja) * 1989-08-11 1991-03-28 Kureha Tec Kk 複合包装材料
JPH0453445A (ja) * 1990-06-21 1992-02-21 Sumitomo Chem Co Ltd 青果物鮮度保持用包装袋
JPH05168400A (ja) * 1991-12-26 1993-07-02 Sumitomo Bakelite Co Ltd 青果物入り包装体

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000007895A1 (fr) * 1998-08-07 2000-02-17 General Mills, Inc. Contenant pour stockage de fines particules
US6126975A (en) * 1998-08-07 2000-10-03 General Mills, Inc. Container for storing fine particles
US6378272B1 (en) 1998-08-07 2002-04-30 General Mills, Inc. Method of making a container for storing fine particles
WO2003066476A1 (fr) * 2002-02-09 2003-08-14 Sherman Kau Sac sterilise comprenant des films de filtration multicouches
WO2019082147A1 (fr) * 2017-10-27 2019-05-02 Instituto De Capacitación E Investigación Del Plástico Y Del Caucho - Icipc Surface pour l'échange de substances à l'état gazeux

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