CN105564816A - Fresh-keeping and protective packing used for vulnerable fruits and preparation method of packing - Google Patents
Fresh-keeping and protective packing used for vulnerable fruits and preparation method of packing Download PDFInfo
- Publication number
- CN105564816A CN105564816A CN201511015369.0A CN201511015369A CN105564816A CN 105564816 A CN105564816 A CN 105564816A CN 201511015369 A CN201511015369 A CN 201511015369A CN 105564816 A CN105564816 A CN 105564816A
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- fruit
- fresh
- packing
- keeping
- packaging
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Classifications
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- 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
- B65D81/02—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 specially adapted to protect contents from mechanical damage
- B65D81/03—Wrappers or envelopes with shock-absorbing properties, e.g. bubble films
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- 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
- B65D81/2007—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 under vacuum
- B65D81/2023—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 under vacuum in a flexible container
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- 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
Abstract
The invention relates to fresh-keeping and protective packing used for vulnerable fruits and a preparation method of the packing. The packing is composed of inner packing and outer packing. According to the inner packing, vacuumizing packing is conducted with a special fresh-keeping membrane with water vapor permeability and an oxygen barrier function so that fresh-keeping packing of the fresh fruits can be achieved. The outer packing is inflatable type air bag protective packing. A layer of air bag layer W-3 is formed on the surfaces of the packed fruits through the inflatable type air bag packing and has the buffer functions of absorbing collision force or impact force, so that when subjected to external force collision or impact, the packed fruits are protected against mechanical damage.
Description
Technical field
The present invention relates to a kind of for the fresh-keeping of fruit and packing and application process thereof, particularly a kind of for the fresh-keeping of rapid wear fruit and protection packaging and method.
Background technology
Fresh fruit is in storage and transportation, be easy to be subject to the collision of external force and injured, and be subject to damaged fruit, be easy to be subject to bacteriological infection at breakage and produce rotten rotting, thus cause the Keeping life of fruit and freshness date to reduce, more seriously cause rotten the rotting of fruit and affect health and the safety of food.So particularly important to the protection packaging of fresh fruit after harvesting; being provide safeguard to fresh-keeping the guaranteeing the quality of fruit on the one hand, is be unlikely to because by external force, fruit occurs that mechanical damage causes fruit freshness preserving Quality Down to provide protection in and transportation logistics process mobile in storage on the other hand.Particularly easily be subject to the fruit of external force mechanical damage for some: as class fruit that moisture is high, pericarp is soft such as grape, grape, honey peach, red bayberry, mango, Kiwi berry, dragon fruit, cherries; except needing to provide the fresh-keeping packaging of necessity, especially need to use some external packings with buffer action to carry out protection packaging.Using method as conventional has filling shredded paper bits, uses foam web, adds every fixing cardboard, carries out gas flush packaging etc. method.Though these methods can play certain protective effect; but larger mechanical damage still be there will be for fiercer collision; particularly for picture grape, red bayberry etc. the fruit of class; its effect is also not obvious; and lack fresh-keeping fresh-keeping packaging targetedly; owing to lacking fresh-keeping packaging, fruit just there will be fruit deliquescing in the very short time, is more easily subject to the destruction of mechanical damage.
Summary of the invention
The object of the invention is to the deficiency overcoming existing method and exist in using, provide a kind of for the fresh-keeping of rapid wear fruit and protection packaging and preparation method thereof, the present invention is achieved by the following technical solutions, and concrete technical scheme is as follows.
A kind of for the fresh-keeping of rapid wear fruit and protection packaging, be made up of two parts, namely inner packing and external packing two part composition; Inner packing is have vapor pervious and the antistaling film of blocking oxygen carries out the packaging that vacuumizes, for realizing the fresh-keeping of fresh fruit; External packing is a kind of protection packaging of inflatable airbag; described inflatable airbag is packaged in packaged fruit appearance and forms one deck air bag layer closely; play the absorption to external force and buffering, make packaged after fruit protected when being subject to external force collision or impacting and do not damaged by mechanical collision.
Further, described inner packing directly contacts with fruit, has water vapor permeability, and can release portion fresh fruit because breathing the moisture content of release, to make in packaging bag not ponding, there is blocking oxygen performance simultaneously; Thus the respiratory intensity of fruit can be reduced and reach the fresh-keeping of fruit and guarantee the quality.Inner packing bag film is prepared by a kind of membraneous material of elasticity excellence.The membraneous material that rigidity is high should not be used, because high rigid material easily causes the damage to the weak appearance of fruit when vacuumizing packaging to fruit, so inner packing must use a kind of softness and the higher film of intensity, be unlikely to the appearance damaging fruit like this when vacuumizing packaging to fruit.
Further, described inner packing is a kind of flexible membrane prepared for base material with polyvinyl alcohol (PVA),
Further, inner packing degree of vacuum should control the low vacuum region at 760 – 10Torr, sustains damage to avoid fruit appearance.
Further, the external packing shape after inflation is a kind of hollow cylindrical shape, and the hollow cylinder outer wall formed by inflatable airbag and inwall form, the protection buffer action that hollow cylinder wall thickness and airbag wall are formed packaged fruit.
Further, the external packing air bag wall thickness after inflation is 10-50mm.
Further, described hollow cylindrical two ends are not closed, and namely two ends form gas-permeable channels, got rid of and do not make packaging internal water accumulation by inner packing release portion steam.
Further, described inner packing adopts polyvinyl alcohol (PVA) flexible film, and polyvinyl alcohol (PVA) flexible film employing Chinese invention patent application number is ZL201210386402.0, name is called that a kind of water miscible fruit-vegetable plastic wrap and preparation method thereof or application number are 201210384635.7, name is called the method preparation that a kind of controlled breathing preservative film and preparation method thereof is disclosed; Described external packing is prepared from by Low Density Polyethylene (LDPE) or linear low density polyethylene (LLDPE) or ethylene-vinyl acetate copolymer (EVA).
Compared with prior art, tool of the present invention has the following advantages and technique effect:
Structure of the present invention is simple, easy to make, can realize extensive industrialization.Inner packing of the present invention is undertaken vacuumizing packaging with the fresh-keeping packaging realizing fresh fruit by the special antistaling film with vapor pervious and blocking oxygen; External packing protects packaging by a kind of inflatable airbag; this inflatable airbag is packaged in packaged fruit appearance and forms one deck air bag layer W-3; this air bag layer has and absorbs collision or the buffer action of impulsive force, thus make packaged after fruit being subject to external force collision or while impacting to be protected and be not mechanically damaged.The fresh-keeping function that the present invention has can provide the fresh-keeping of rapid wear fruit; make fruit extend freshness and ensure the quality of fruit; the protection packaging function simultaneously had can make fruit store the destruction from machinery in mobile and transportation logistics process, thus ensure that fruit fresh-keeping, store and transport.The invention provides a kind of fresh-keeping storing and transporting solution of fruit, the accumulating for fresh fruit provides actv. guarantee, realizes the fruit accumulating of the high-preserved high-quality of low-loss.
Accompanying drawing explanation
Fig. 1 is the packaging external form schematic diagram in example after inflation.
Fig. 2 is the external packing birds-eye view in example after inflation.
Fig. 3 is the left view of external packing after inflation in example.
In figure: 201---inflatable external packing outer wall; 202---inflatable external packing inwall; L---inflatable external packing length; W-1---inflatable external packing outer wall width; W-2---inflatable external packing inwall width; W-3---inflatable external packing air bag layer thickness.
Detailed description of the invention
Below in conjunction with specific embodiment, further concrete detailed description in detail is done to the present invention.
Pack and a method for the fresh-keeping of rapid wear fruit and protection, its packing method described is made up of two parts, namely divides inner packing and external packing two part composition; 1, inner packing is undertaken vacuumizing packaging with the fresh-keeping packaging realizing fresh fruit by the special antistaling film with vapor pervious and blocking oxygen; 2, external packing protects packaging by a kind of inflatable airbag; this inflatable airbag is packaged in packaged fruit appearance and forms one deck air bag layer closely; this inflating air cystoblast is kind of an air cushion with buffer action; thus the absorption played external force and buffering, make packaged after fruit protected when being subject to external force collision or impacting and be not mechanically damaged.Inner packing be a kind of directly and the antistaling film of fruit contact packing; This film has certain water vapor permeability, and energy release portion fresh fruit, because breathing the moisture content of release, does not make packaging bag internal water accumulation; There is excellent blocking oxygen performance simultaneously; Thus the respiratory intensity of fruit can be reduced and reach the fresh-keeping of fruit and guarantee the quality.Inner packing bag film is prepared by the membraneous material of a kind elasticity excellence.If use the membraneous material that rigidity is high, the damage to fruit appearance is easily caused when vacuumizing packaging to fruit, so inner packing must use a kind of softness and the higher film of intensity, be unlikely to the appearance damaging fruit like this when vacuumizing packaging to fruit;
Described for the fresh-keeping of rapid wear fruit and protection packaging in external packing be made up of a kind of film packaging bag of Inflatable air bag type, its inflation after profile as shown in Figure 1: the outer packaging bag shape after inflation is a kind of hollow cylindrical shape, the hollow cylinder outer wall 201 formed by inflatable airbag and inwall 202 form, W-3 in Fig. 1 is hollow cylinder wall thickness, and the airbag wall that cylindrical wall is formed thus is the protection buffer air bag formed packaged fruit;
Described external packing forms a hollow cylinder after inflation, and the cylinder size dimension in Fig. 2 is by packaged fruit and need the protectiveness balloon size formed jointly to determine.Hollow cylinder inner wall size is determined by packaged fruit oad, namely the long L of the wall in Fig. 2 and inwall width W-2, by apparent length and the width decision of fruit, for the ease of packaging, the size of L and W-2 should be greater than the oad of packaged fruit, the relatively more suitable 120%-130% being of a size of packaged fruit size of L and W-2; Cylindrical body outer wall size is after cylinder inner wall size determines, can form 10-50mm airbag wall thickness for foundation decision after inflating, the in fact final hollow cylinder air bag wall thickness formed is determined jointly by outer wall dimension L and W-1; Described hollow cylinder, its two ends are not closed, and namely two ends can form gas-permeable channels, do not make packaging internal water accumulation by inner packing release portion steam; Final protection external packing shape is a kind of round tubular structure in fact after inflation, and its tube wall is the round tube shape airbag wall formed after inflation.
Embodiment 1
1, select the preparation method in " a kind of controlled breathing preservative film and preparation method thereof (application number: 201210384635.7) " to prepare preservative film, the size according to single string kyoto grape prepares corresponding freshness protection package; Then with this freshness protection package, sealed package is vacuumized to whole string kyoto grape; Control degree of vacuum is 500-550Torr.
2, outer packaging bag is prepared with Low Density Polyethylene (LDPE) film by method described in the art of this patent; the THICKNESS CONTROL of protection airbag wall can be formed at 15 – 20mm; external packing protection gasbag is put into the packaged kyoto grape of freshness protection package above-mentioned; then carry out gas flush packaging, inflation pressure is 0.15Mpa.
3, Experimental comparison: carry out impact test to packaged kyoto grape: highly: 1.5m, free fall type is dropped: none breaks and falls branch to drop the rear whole string kyoto grape of test for 10 times; After dropping test for 20 times, none breaks, and an only cladoptosis, substantially without corrupted; And after using the kyoto grape of traditional foam web+plastic bag packaging to drop through 10 times, break 3, cladoptosis 5; After dropping test 20 times, break 7, cladoptosis 11.The kyoto grape list string weight selected in experiment is 500-600g.
Embodiment 2
1, select the preparation method in " a kind of controlled breathing preservative film and preparation method thereof (application number: 201210384635.7) " to prepare preservative film, the size according to single string kyoto grape prepares corresponding freshness protection package; Then with this freshness protection package, sealed package is vacuumized to whole string kyoto grape; Control degree of vacuum is 300-350Torr.
2, outer packaging bag is prepared with linear low density polyethylene (LLDPE) film by method described in the art of this patent; the mean thickness that can form protection airbag wall controls at 25mm; external packing protection gasbag is put into the packaged kyoto grape of freshness protection package above-mentioned; then carry out gas flush packaging, inflation pressure is 0.20Mpa.
3, Experimental comparison: packaged kyoto grape is deposited 7 days at normal temperatures, Laboratory Temperature is 26--28 DEG C.Kyoto grape after 7 days is deposited to normal temperature and carries out impact test: highly: 1.5m, free fall type is dropped: drop for 10 times test after whole string kyoto grape 2 break and 3 fall branch; Drop latter 3 of test for 20 times to break, 5 cladoptosis, serviceability rate is 96%; And after 7 days, rotted, without sour taste without vinosity without 1 through normal temperature by kyoto grape that is fresh-keeping and protection packaging.And use the contrast experiment that the kyoto grape of traditional foam web+plastic bag packaging carries out after normal temperature is deposited for 7 days: after dropping for 10 times, break 11, cladoptosis 19; After dropping test 20 times, break 15, cladoptosis 27, wherein 5 occur obviously rotting, and have obvious sour taste and vinosity.The kyoto grape list string weight selected in experiment is 500-600g.
Embodiment 3
1, select the preparation method in " a kind of water miscible fruit-vegetable plastic wrap and preparation method thereof (patent No.: ZL201210386402.0) " to prepare preservative film, the scale of construction size according to 1000g cherry weight prepares corresponding freshness protection package; Then by 1000g/ bag standard, sealed package is vacuumized to cherry with this freshness protection package; Control degree of vacuum is 200-550Torr.
2, outer packaging bag is prepared with Low Density Polyethylene (LDPE) film by method described in the art of this patent; the mean thickness that can form protection airbag wall controls at 25mm; external packing protection gasbag is put into the packaged cherry of freshness protection package above-mentioned; then carry out gas flush packaging, inflation pressure is 0.15Mpa.
3, contrasting sample is plastic bag+foam web protection packaging, 1000g/ bag.
4, pretreatment: implement 3 routine samples and carry out precooling treatment 20 hours at-6 DEG C together with blank sample, load carton by 2 bags/case, then through railway transportation from the sky and water, Ningxia to Guangzhou, actual experience 5 days.
5, the contrast of actual accumulating after 5 days: embodiment 3 cherry sample serviceability rate that is fresh-keeping through patent of the present invention and protection packaging reaches 99.5%; And blank sample serviceability rate is only 35%.
Embodiment 4
1, select the preparation method in " a kind of controlled breathing preservative film and preparation method thereof (application number: 201210384635.7) " to prepare preservative film, prepare corresponding freshness protection package according to single red heart dragon fruit size; Then with this freshness protection package, sealed package is vacuumized to single dragon fruit; Control degree of vacuum is 400-450Torr.
2, outer packaging bag is prepared with Low Density Polyethylene (LDPE) film by method described in the art of this patent; the mean thickness of protection airbag wall can be formed at 12mm; external packing protection gasbag is put into the packaged single dragon fruit of freshness protection package above-mentioned; then carry out gas flush packaging, inflation pressure is 0.15Mpa.
3, blank sample is plastic bag+foam web packaging, individual packaging.
4, laboratory sample and blank's sample dragon fruit single fruit weight are 350--400g; Case by 10/case.Room temperature accumulating under the same terms.The sub-– Jinan, Shandong Province of Hai Nansan, automobile land transportation, goes through 4 days.
5, experiment effect contrast: the embodiment 4 fresh-keeping dragon fruit sample serviceability rate 100% packed with protection of this patent; And the serviceability rate of blank's sample is 61%.
Claims (8)
1. pack for the fresh-keeping of rapid wear fruit and protection for one kind, it is characterized in that being made up of two parts, be i.e. inner packing and external packing two part composition; Inner packing is have vapor pervious and the antistaling film of blocking oxygen carries out the packaging that vacuumizes, for realizing the fresh-keeping of fresh fruit; External packing is a kind of protection packaging of inflatable airbag, and described inflatable airbag is packaged in packaged fruit appearance and forms one deck air bag layer closely, plays the absorption to external force and buffering.
2. according to claim 1 for the fresh-keeping of rapid wear fruit and protection packaging; it is characterized in that: described inner packing directly contacts with fruit, has water vapor permeability, and energy release portion fresh fruit is because breathing the moisture content of release; to make in packaging bag not ponding, there is blocking oxygen performance simultaneously.
3. according to claim 1 for the fresh-keeping of rapid wear fruit and protection packaging, it is characterized in that: described inner packing is a kind of flexible membrane prepared for base material with polyvinyl alcohol (PVA).
4. according to claim 1 for the fresh-keeping of rapid wear fruit and protection packaging, it is characterized in that: inner packing degree of vacuum should control the low vacuum region at 760 – 10Torr, sustain damage to avoid fruit appearance.
5. according to claim 1 for the fresh-keeping of rapid wear fruit and protection packaging; it is characterized in that: the external packing shape after inflation is a kind of hollow cylindrical shape; the hollow cylinder outer wall formed by inflatable airbag and inwall form, the protection buffer action that hollow cylinder wall thickness and airbag wall are formed packaged fruit.
6. according to claim 5 for the fresh-keeping of rapid wear fruit and protection packaging, it is characterized in that: the external packing air bag wall thickness after inflation is 10-50mm.
7. according to claim 5 for the fresh-keeping of rapid wear fruit and protection packaging, it is characterized in that: described hollow cylindrical two ends are not closed, namely two ends form gas-permeable channels, got rid of and do not make packaging internal water accumulation by inner packing release portion steam.
8. prepare the method for packing for the fresh-keeping of rapid wear fruit and protection described in any one of claim 1 ~ 6, it is characterized in that described inner packing adopts polyvinyl alcohol (PVA) flexible film, polyvinyl alcohol (PVA) flexible film adopts that Chinese invention patent application number is ZL201210386402.0, name is called that a kind of water miscible fruit-vegetable plastic wrap and preparation method thereof or application number are 201210384635.7, name is called the method preparation that a kind of controlled breathing preservative film and preparation method thereof is disclosed; Described external packing is prepared from by Low Density Polyethylene (LDPE) or linear low density polyethylene (LLDPE) or ethylene-vinyl acetate copolymer (EVA).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511015369.0A CN105564816B (en) | 2015-12-31 | 2015-12-31 | A kind of fresh-keeping and protective packaging and preparation method thereof for rapid wear fruit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511015369.0A CN105564816B (en) | 2015-12-31 | 2015-12-31 | A kind of fresh-keeping and protective packaging and preparation method thereof for rapid wear fruit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105564816A true CN105564816A (en) | 2016-05-11 |
| CN105564816B CN105564816B (en) | 2018-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201511015369.0A Expired - Fee Related CN105564816B (en) | 2015-12-31 | 2015-12-31 | A kind of fresh-keeping and protective packaging and preparation method thereof for rapid wear fruit |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106689348A (en) * | 2017-01-04 | 2017-05-24 | 天津科技大学 | Controlled-atmosphere fruit and vegetable transportation and preservation method utilizing dry ice |
| CN108100440A (en) * | 2017-11-14 | 2018-06-01 | 北京印刷学院 | A kind of packaging bag for loquat and banana fresh-keeping |
| 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 |
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| CN106689348A (en) * | 2017-01-04 | 2017-05-24 | 天津科技大学 | Controlled-atmosphere fruit and vegetable transportation and preservation method utilizing dry ice |
| CN108100440A (en) * | 2017-11-14 | 2018-06-01 | 北京印刷学院 | A kind of packaging bag for loquat and banana fresh-keeping |
| 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 |
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| Publication number | Publication date |
|---|---|
| CN105564816B (en) | 2018-09-14 |
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