CN116120650A - Modified atmosphere film material, preparation method and storage and fresh-keeping method - Google Patents
Modified atmosphere film material, preparation method and storage and fresh-keeping method Download PDFInfo
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- CN116120650A CN116120650A CN202310088699.0A CN202310088699A CN116120650A CN 116120650 A CN116120650 A CN 116120650A CN 202310088699 A CN202310088699 A CN 202310088699A CN 116120650 A CN116120650 A CN 116120650A
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- 239000000463 material Substances 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000002360 preparation method Methods 0.000 title claims abstract description 7
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims abstract description 39
- 238000004378 air conditioning Methods 0.000 claims abstract description 33
- 238000004806 packaging method and process Methods 0.000 claims abstract description 33
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 30
- 239000002202 Polyethylene glycol Substances 0.000 claims abstract description 18
- 229920001223 polyethylene glycol Polymers 0.000 claims abstract description 18
- 235000012055 fruits and vegetables Nutrition 0.000 claims abstract description 17
- 235000013311 vegetables Nutrition 0.000 claims abstract description 17
- 229910000019 calcium carbonate Inorganic materials 0.000 claims abstract description 15
- 235000021022 fresh fruits Nutrition 0.000 claims abstract description 15
- 229920001684 low density polyethylene Polymers 0.000 claims abstract description 14
- 239000004702 low-density polyethylene Substances 0.000 claims abstract description 14
- 235000011187 glycerol Nutrition 0.000 claims description 14
- 239000004698 Polyethylene Substances 0.000 claims description 12
- 229920000573 polyethylene Polymers 0.000 claims description 12
- -1 Polyethylene Polymers 0.000 claims description 6
- 238000007664 blowing Methods 0.000 claims description 5
- 239000012528 membrane Substances 0.000 claims description 5
- 238000004321 preservation Methods 0.000 claims description 5
- 240000007124 Brassica oleracea Species 0.000 claims description 4
- 235000003899 Brassica oleracea var acephala Nutrition 0.000 claims description 4
- 235000011301 Brassica oleracea var capitata Nutrition 0.000 claims description 4
- 235000001169 Brassica oleracea var oleracea Nutrition 0.000 claims description 4
- 244000157072 Hylocereus undatus Species 0.000 claims description 3
- 235000018481 Hylocereus undatus Nutrition 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 11
- 230000029058 respiratory gaseous exchange Effects 0.000 abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 239000003795 chemical substances by application Substances 0.000 abstract description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract 1
- 229910052760 oxygen Inorganic materials 0.000 abstract 1
- 239000001301 oxygen Substances 0.000 abstract 1
- 230000003020 moisturizing effect Effects 0.000 description 5
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 238000005057 refrigeration Methods 0.000 description 3
- 230000035699 permeability Effects 0.000 description 2
- 244000052616 bacterial pathogen Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- 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
-
- 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
- A23B7/04—Freezing; Subsequent thawing; Cooling
- A23B7/0425—Freezing; Subsequent thawing; Cooling the material not being transported through or in the apparatus, with or without shaping, e.g. in the form of powder, granules or flakes
- A23B7/0433—Freezing; Subsequent thawing; Cooling the material not being transported through or in the apparatus, with or without shaping, e.g. in the form of powder, granules or flakes with packages or with shaping in the form of blocks or portions
-
- 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
- A23V—INDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
- A23V2002/00—Food compositions, function of food ingredients or processes for food or foodstuffs
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/04—Homopolymers or copolymers of ethene
- C08J2323/06—Polyethene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2471/00—Characterised by the use of polyethers obtained by reactions forming an ether link in the main chain; Derivatives of such polymers
- C08J2471/02—Polyalkylene oxides
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/05—Alcohols; Metal alcoholates
- C08K5/053—Polyhydroxylic alcohols
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Polymers & Plastics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Food Science & Technology (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Organic Chemistry (AREA)
- Storage Of Fruits Or Vegetables (AREA)
- Packging For Living Organisms, Food Or Medicinal Products That Are Sensitive To Environmental Conditiond (AREA)
- Packages (AREA)
Abstract
The invention discloses an air-conditioning film material, a preparation method and a storage and fresh-keeping method, which comprise the following steps: s1, placing fresh fruits and vegetables into a self-gas-regulating moisture-preserving packaging bag, and tightly binding the bag mouth, wherein the self-gas-regulating moisture-preserving packaging bag is made of the following materials in parts by weightThe method comprises the following steps: 10-15 parts of low-density polyethylene, 0.5-2 parts of polyethylene glycol, 2-3 parts of glycerol and 0.05-0.1 part of calcium carbonate; the materials are mixed and then extruded and blown into films at 140-160 ℃ to form the self-air-conditioning packaging bag; s2, storing the self-air-conditioning moisture-preserving packaging bag filled with fresh fruits and vegetables at the temperature of 0-8 ℃. The packaging of the self-gas-generating moisture-preserving packaging bag can generate low O 2 Oxygen, high CO 2 The environment in the bag adapting to humidity not only effectively inhibits the respiration intensity of fruits and vegetables in the packaging bag and prevents the fruits and vegetables from losing water, but also can be matched with a low-temperature storage environment to further inhibit the respiration of the fruits and vegetables and prolong the storage and fresh-keeping period of the fruits and vegetables, and the effect of the fresh-keeping agent is close to the fresh-keeping effect of a low-temperature air-conditioned warehouse.
Description
The application is a divisional application of the application number 202011098851.6 and the name of the method for storing and preserving fresh fruits and vegetables, wherein the application number is 10/14 in 2020.
Technical Field
The invention relates to an air-conditioning film material, a preparation method and a storage and fresh-keeping method.
Background
The low-temperature fresh-keeping of the refrigeration house is a current common fresh fruit and vegetable storage and fresh-keeping technology. Fresh fruits and vegetables can reduce respiration, inhibit pathogenic bacteria breeding and effectively prolong the fresh-keeping period under the low temperature condition. However, under the low-temperature condition of the refrigeration house, fresh fruits and vegetables are easy to lose water and wilt, and are unfavorable for fresh keeping. Researches show that the preservation effect of the low-temperature air-conditioning warehouse is better than that of a common low-temperature cold warehouse, but the construction and operation costs of the air-conditioning warehouse are too high to be suitable for popularization and application in vast rural areas in China.
Disclosure of Invention
The invention aims to solve the technical problem of providing a storage and preservation method for fresh fruits and vegetables, which adopts low temperature combined self-gas-regulating and moisture-preserving packaging to store and preserve fresh fruits and vegetables, overcomes the defect of pure refrigeration storage, has the effect of gas-regulating storage and preservation, and is simple and convenient to operate and low in cost.
The technical scheme adopted by the invention is as follows:
the invention provides an air-conditioning membrane material which comprises the following components in parts by weight: 10-15 parts of low-density polyethylene, 0.5-2 parts of polyethylene glycol, 2-3 parts of glycerol and 0.05-0.1 part of calcium carbonate.
Preferably, the modified atmosphere film material is composed of the following components in weight: 10 parts of low-density polyethylene, 1 part of polyethylene glycol, 2 parts of glycerin and 0.1 part of calcium carbonate.
Preferably, the modified atmosphere film material is composed of the following components in weight: 15 parts of low-density polyethylene, 1 part of polyethylene glycol, 2 parts of glycerin and 0.1 part of calcium carbonate.
The invention provides a preparation method of an air-conditioning membrane material, which comprises the following steps:
is prepared from Polyethylene (PE) through mixing with polyethanediol, glycerine and calcium carbonate, extruding at 140-160 deg.C, and blowing film.
The invention provides an application of the modified atmosphere film material in fruit and vegetable fresh-keeping, wherein the modified atmosphere film material can generate low O 2 High CO 2 And adapt to the humidity in the bag.
Preferably, the fruits and vegetables are dragon fruits and/or cabbage cores.
The invention provides a storage and preservation method of fresh fruits and vegetables, which is characterized by comprising the following steps:
s1, placing fresh fruits and vegetables into a self-air conditioning and moisturizing packaging bag, and tightly binding the bag mouth, wherein the self-air conditioning and moisturizing packaging bag comprises the following components in parts by weight:
10-15 parts of Low Density Polyethylene (LDPE), 0.5-2 parts of polyethylene glycol (PEG), 2-3 parts of glycerol and 0.05-0.1 part of calcium carbonate, and extruding and blowing at 140-160 ℃ to form a self-air-conditioning packaging bag;
s2, storing the self-air-conditioning moisture-preserving packaging bag filled with fresh fruits and vegetables at the temperature of 0-8 ℃.
Preferably, the modified atmosphere film material comprises the following components by weight:
10 parts of Low Density Polyethylene (LDPE), 1 part of polyethylene glycol (PEG), 2 parts of glycerol and 0.1 part of calcium carbonate.
The self-gas-generating moisture-preserving packaging bag is formed by extruding and blowing Polyethylene (PE) which is blended with polyethylene glycol, glycerol and calcium carbonate at 140-160 ℃ and has good O 2 /CO 2 Permeability and moisture permeability, capable of producing low O 2 High CO 2 And adapt to the humidity in the bag.
The beneficial effects are that: the packaging of the self-gas-generating moisture-preserving packaging bag can generate low O 2 High CO 2 The environment in the bag adapting to humidity not only effectively inhibits the respiration intensity of fruits and vegetables in the packaging bag and prevents the fruits and vegetables from losing water, but also can be matched with a low-temperature storage environment to further inhibit the respiration of the fruits and vegetables and prolong the storage and fresh-keeping period of the fruits and vegetables, and the effect of the fresh-keeping agent is close to the fresh-keeping effect of a low-temperature air-conditioned warehouse.
The self-air-conditioning moisture-preserving packaging bag is adopted, and the fruit and vegetable fresh-keeping is carried out according to the method, and the self-air-conditioning moisture-preserving packaging bag is used for packaging, so that low O can be generated 2 High CO 2 The environment in the bag adapting to humidity not only effectively inhibits the respiration intensity of fruits and vegetables in the packaging bag and prevents the fruits and vegetables from losing water, but also can be matched with a low-temperature storage environment to further inhibit the respiration of the fruits and vegetables and prolong the storage and fresh-keeping period of the fruits and vegetables, and the effect of the fresh-keeping agent is close to the fresh-keeping effect of a low-temperature air-conditioned warehouse.
Detailed Description
The present invention will be described in further detail with reference to specific examples.
The invention relates to a method for storing and preserving fresh fruits and vegetables
An embodiment one, comprising the steps of:
1) Placing 5kg of dragon fruits into a self-generating modified atmosphere moisture-preserving packaging bag with the length multiplied by the width multiplied by 50cm multiplied by 30cm, and tightly binding the bag mouth;
the self-air-conditioning and moisturizing packaging bag is made of Polyethylene (PE) through modification and improvement, and comprises the following components: 10 parts of low-density polyethylene, 1 part of polyethylene glycol (PEG), 2 parts of glycerol and 0.05 part of calcium carbonate, and mixing the materials, extruding and blowing the materials at 150 ℃ to form a self-gas-regulating packaging bag;
2) Packaging bag with self-generating, air-conditioning and moisture-keeping effects, and storing at 8deg.C.
In a second embodiment, the steps are as follows:
1) Putting 3kg of vegetable cores into an inner bag with the length multiplied by the width=50cm multiplied by 30cm, and tightly binding the bag mouth; the self-air-conditioning and moisturizing packaging bag is made of Polyethylene (PE) through modification and improvement, and comprises the following components: 15 parts of low-density polyethylene, 1 part of polyethylene glycol (PEG), 2 parts of glycerol and 0.1 part of calcium carbonate, and the materials are mixed to prepare an air-conditioning film and then processed into the self-air-conditioning packaging bag.
2) Packaging bag with cabbage core with self-generating air conditioning and moisture keeping effects, and storing at 4deg.C.
In embodiment three, the steps are as follows:
1) Putting 3kg of vegetable cores into an inner bag with the length multiplied by the width=50cm multiplied by 30cm, and tightly binding the bag mouth; the self-air-conditioning and moisturizing packaging bag is made of Polyethylene (PE) through modification and improvement, and comprises the following components: 15 parts of low-density polyethylene, 1 part of polyethylene glycol (PEG), 2 parts of glycerol and 0.1 part of calcium carbonate, and the materials are mixed to prepare an air-conditioning film and then processed into the self-air-conditioning packaging bag.
2) Packaging bag with cabbage core with self-generating air conditioning and moisture keeping effects, and storing at 2deg.C.
The above examples remain fresh after 7-12 days of storage.
The foregoing describes specific embodiments of the present invention. It is to be understood that the invention is not limited to the particular embodiments described above, and that various changes or modifications may be made by those skilled in the art within the scope of the appended claims without affecting the spirit of the invention. The embodiments of the present application and features in the embodiments may be combined with each other arbitrarily without conflict.
Claims (7)
1. The modified atmosphere film material is characterized by comprising the following components in parts by weight: 10-15 parts of low-density polyethylene, 0.5-2 parts of polyethylene glycol, 2-3 parts of glycerol and 0.05-0.1 part of calcium carbonate.
2. An air conditioning membrane material as claimed in claim 1, characterized in that it consists of the following components by weight: 10 parts of low-density polyethylene, 1 part of polyethylene glycol, 2 parts of glycerin and 0.1 part of calcium carbonate.
3. An air conditioning membrane material as claimed in claim 1, characterized in that it consists of the following components by weight: 15 parts of low-density polyethylene, 1 part of polyethylene glycol, 2 parts of glycerin and 0.1 part of calcium carbonate.
4. A method for preparing an air-conditioning membrane material according to any one of claims 1 to 3, characterized by the steps of:
is prepared from Polyethylene (PE) through mixing with polyethanediol, glycerine and calcium carbonate, extruding at 140-160 deg.C, and blowing film.
5. Use of the modified atmosphere film material according to any one of claims 1 to 3 or the modified atmosphere film material prepared by the preparation method according to claim 4 in fruit and vegetable fresh-keeping, wherein the modified atmosphere film material can generate low O 2 High CO 2 And adapt to the humidity in the bag.
6. The use according to claim 5, wherein the fruit and vegetable is a dragon fruit and/or a cabbage.
7. The storage and preservation method for the fresh fruits and vegetables is characterized by comprising the following steps of:
s1, placing fresh fruits and vegetables into a self-air-conditioning moisture-preserving packaging bag, and tightly binding the bag mouth, wherein the air-conditioning film material of the self-air-conditioning moisture-preserving packaging bag is the air-conditioning film material of any one of claims 1 to 3 or the air-conditioning film material prepared by the preparation method of claim 4;
s2, storing the self-air-conditioning moisture-preserving packaging bag filled with fresh fruits and vegetables at the temperature of 0-8 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310088699.0A CN116120650A (en) | 2020-10-14 | 2020-10-14 | Modified atmosphere film material, preparation method and storage and fresh-keeping method |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310088699.0A CN116120650A (en) | 2020-10-14 | 2020-10-14 | Modified atmosphere film material, preparation method and storage and fresh-keeping method |
| CN202011098851.6A CN112471248A (en) | 2020-10-14 | 2020-10-14 | Storage and preservation method for fresh fruits and vegetables |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011098851.6A Division CN112471248A (en) | 2020-10-14 | 2020-10-14 | Storage and preservation method for fresh fruits and vegetables |
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| Publication Number | Publication Date |
|---|---|
| CN116120650A true CN116120650A (en) | 2023-05-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310088699.0A Pending CN116120650A (en) | 2020-10-14 | 2020-10-14 | Modified atmosphere film material, preparation method and storage and fresh-keeping method |
| CN202011098851.6A Pending CN112471248A (en) | 2020-10-14 | 2020-10-14 | Storage and preservation method for fresh fruits and vegetables |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011098851.6A Pending CN112471248A (en) | 2020-10-14 | 2020-10-14 | Storage and preservation method for fresh fruits and vegetables |
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| Country | Link |
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| CN (2) | CN116120650A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101955606A (en) * | 2010-10-11 | 2011-01-26 | 中华全国供销合作总社济南果品研究院 | Preservative film special for red Fuji apples |
| CN102174222A (en) * | 2011-01-31 | 2011-09-07 | 开原市升达塑料彩印厂 | Degradable plastic film and production method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109177408A (en) * | 2018-08-09 | 2019-01-11 | 广东省农业科学院蚕业与农产品加工研究所 | Fruits and vegetables bilayer film package bag and fruit and vegetable preserving method |
-
2020
- 2020-10-14 CN CN202310088699.0A patent/CN116120650A/en active Pending
- 2020-10-14 CN CN202011098851.6A patent/CN112471248A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101955606A (en) * | 2010-10-11 | 2011-01-26 | 中华全国供销合作总社济南果品研究院 | Preservative film special for red Fuji apples |
| CN102174222A (en) * | 2011-01-31 | 2011-09-07 | 开原市升达塑料彩印厂 | Degradable plastic film and production method thereof |
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| CN112471248A (en) | 2021-03-12 |
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