CN101199296A - Natural gas adjusting cardboard box method for apples fresh-keeping - Google Patents
Natural gas adjusting cardboard box method for apples fresh-keeping Download PDFInfo
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- CN101199296A CN101199296A CNA2007100190044A CN200710019004A CN101199296A CN 101199296 A CN101199296 A CN 101199296A CN A2007100190044 A CNA2007100190044 A CN A2007100190044A CN 200710019004 A CN200710019004 A CN 200710019004A CN 101199296 A CN101199296 A CN 101199296A
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Abstract
Disclosed is a modified atmosphere paper carton preserving method of apple, a coating layer is coated on the internal surface of a common paper carton, the internal surface of the coating layer is adhered with a selective transparent film, and O<SUB>2</SUB> absorbent, CO<SUB>2</SUB> absorbent, ethene absorbent and moisture absorbent are evenly spread and positioned on the upper surface of a bedding course of a cardboard at the top part respectively. The cold storage agent coated on the coating layer selects dry ice or super high molecular polyacrylate hydrogel, the oxygen absorbent adopts organic deoxidizing agent or iron based deoxidizing agent, the carbon dioxide absorbent selects soda lime or silica, the ethene absorbent selects micro-powder such as travertine or permutite, and the moisture absorbent selects molecular sieve or silica gel. The paper carton preserving and storing method of the invention can obviously improve the preserving quality of apple and extend the preservation period of apple, and the preserved apple has the same taste with the just picked apple. The invention has no pollution and toxic hazard to apples and fully meet the hygienic edibility request, and has advantages of convenient storage and transportation, low cost, high benefit and energy saving.
Description
Technical field
The invention belongs to fruit fresh-keeping packing technique field, relate to a kind of natural gas adjusting cardboard box preservation method of apple.
Background technology
In Integrated Logistics chains such as the packing of apple, storage, transportation, sale, fresh-keeping, storage and transportation resources are guardian technique problems, directly affect consumption, commodity and the shelf life of apple.
Earth kiln preservative, trench preservative, urn formula preservative, Sha Zangfa, cold room preservative all belong to traditional fresh-keeping and preserving method; fresh-keeping effect is poor; storage scale, effect and time are all limited, are not suitable for very much the scale fresh-retaining preserving, also are difficult to satisfy the needs of modern logistics.The plastic sheeting freshness protection package is a kind of natural gas adjusting packing (MAP) preservation technique, and it is to utilize with a kind of selectivity breathable films gas with various (as oxygen O
2, carbon dioxide CO
2) selectively penetrating, in sealing bags, set up low concentration O automatically
2, high concentration CO
2Storage environment, suppress the respiratory intensity of apple, thereby reach fresh-keeping purpose.The fresh-keeping effect of this technology is general, and easily causes disease to take place, and also is not suitable in transit link the packing protection to apple.The freezer preservative is a kind of preservation by low temperature storage technique, it is in the warehouse that utilizes good heat-barrier material building, by the effect of mechanical refrigeration system, the heat in the storehouse is sent to outside the storehouse, make the temperature reduction in the storehouse and remain on to help prolonging the apple temperature levels of storage period.The fresh-keeping effect of this technology can satisfy general fresh-keeping requirement, but must use in the area of electric energy abundance, and equipment and maintenance cost is big, power consumption is high, cost is higher, more can not solve the fresh-keeping problem of apple in transit link.The air-conditioned cold store preservative is a kind of controlled atmosphere (CA) fresh-retaining preserving technology, it is to utilize mechanically refrigerated airtight storage storehouse, the refrigerating plant of adapted controlled atmosphere device, make the certain hypoxemia of maintenance in the storage storehouse, low temperature, suitable carbon dioxide and humidity, and in time get rid of and store the pernicious gas that produces in the storehouse, thereby effectively reduce the respiratory rate of the fruits and vegetables of storing, to reach the purpose that delays after-ripening, prolongs storage period.This technology has solved the fresh-keeping problem of apple in the storage link, and fresh-keeping effect and storage time are all more satisfactory, but go back the incompatibility China's national situation at present, and cost of equipment costliness, cost height, of poor benefits can not solve the fresh-keeping problem of apple in transit link.
In sum, the present invention is directed to plastic sheeting freshness protection package, freezer preservative, the existing problem of air-conditioned cold store preservative, proposed the natural gas adjusting fresh-keeping corrugated box preservation technique of apple under natural environmental condition.This technology has remarkable advantages such as convenient storing, cost are low, high efficiency, energy savings, can solve the non-freezer of apple in three months, the fresh-retaining preserving and the transportation problem of non-air-conditioned cold store after mid or late October gathers.
Summary of the invention
The natural gas adjusting cardboard box preservation method that the purpose of this invention is to provide a kind of apple, the fresh-keeping and preserving method of apple under non-freezer, non-air-conditioned cold store condition after solution is gathered is difficult to guarantee the problem of original quality.
Technical scheme of the present invention is, a kind of natural gas adjusting cardboard box preservation method of apple, apple is placed in the Packaging Box, and Packaging Box inside is lined with base paper plate bed course, by the cardboard spacer baffle is told in Packaging Box inside, apple is placed in the baffle, on apple, lay top cardboard bed course then, it is characterized in that, apply coating layer at the Packaging Box inner surface, paste the selective permeation film at the coating layer inner surface, evenly O is equipped with in tiling respectively on the cardboard bed course of top
2Absorbent, CO
2The packaging bag of absorbent, ethylene absorbent and moisture absorber.
Coating layer is the agent for storage of coldness colloid layer, and agent for storage of coldness is selected dry ice or supra polymer Sodium Polyacrylate colloid for use.
The use amount of dry ice is 3.1～3.6 gram/every kilogram of apples.
In the supra polymer Sodium Polyacrylate colloid, the volume proportion of supra polymer Sodium Polyacrylate and water is 1: 30～1: 40.
The selective permeation film is selected low density polyethylene (LDPE) or polyvinylidene chloride film for use, and film thickness is 30～80 microns.
O
2Absorbent is selected organic deoxidant or iron series deoxidizers for use, and its use amount is 1.6～2.1 gram/every kilogram of apples.
CO
2Absorbent is selected soda lime or silica for use, and its use amount is 3.8～4.9 gram/every kilogram of apples.
Ethylene absorbent is selected travertine or artificial zeolite micropowder for use, and its use amount is 3.7～4.6 gram/every kilogram of apples.
Moisture absorber is selected molecular sieve or silica gel for use, and its use amount is 1.8～2.5 gram/every kilogram of apples.
Preservation method of the present invention is compared with traditional non-freezer, the carton fresh-keeping and preserving method under the non-air-conditioned cold store condition, improved the fresh-keeping quality of apple, prolonged the freshness date of apple, glossiness is good, basic identical with the mouthfeel of the back apple of gathering,, nonhazardous pollution-free to apple meet the health edible demand fully.
The present invention also has advantages such as convenient storing, cost are low, high efficiency, energy savings.
Description of drawings
Fig. 1 is the structural representation of ordinary packing carton;
Fig. 2 is the structural representation of carton that the inventive method is used;
Fig. 3 is the operating procedure flow chart of the inventive method.
Among the figure, 1, common carton, 2, coating layer, 3, the selective permeation film, 4, O
2The absorbent packaging bag, 5, CO
2The absorbent packaging bag, 6, the ethylene absorbent packaging bag, 7, the moisture absorber packaging bag, 8, top cardboard bed course, 9, apple, 10, the cardboard spacer, 11, bottom cardboard bed course, 12, the natural gas adjusting fresh-keeping corrugated box.
The specific embodiment
The present invention is described in detail below in conjunction with the drawings and specific embodiments.
As shown in Figure 1, preserving apple now normally is placed on apple in the ordinary packing carton.The common carton 1 inner cardboard spacer 10 that relies on is told baffle, is stamped top cardboard bed course 8 above, is lined with bottom cardboard bed course 11 below.Apple 9 is that simple layering is put successively in common carton 1 inside, and apple is in closed state, has influenced apple storage quality and shelf-life.
As shown in Figure 2, use the natural gas adjusting fresh-keeping corrugated box for the inventive method.Be provided with top cardboard bed course 8, bottom cardboard bed course 11 and cardboard spacer 10 equally in natural gas adjusting fresh-keeping corrugated box 12 inside.Different is the coating layer 2 that scribbles one deck agent for storage of coldness colloid at natural gas adjusting fresh-keeping corrugated box 12 inner surfaces, also is pasted with one deck selective permeation film 3 at the inner surface of coating layer 2, the upper surface of top cardboard bed course 8 evenly tiling be placed with O
2 Absorbent packaging bag 4, CO
2 Absorbent packaging bag 5, ethylene absorbent packaging bag 6, moisture absorber packaging bag 7.
Evenly be coated with the agent for storage of coldness colloid on the coating layer 2, agent for storage of coldness can be selected dry ice or supra polymer Sodium Polyacrylate colloid for use, the dry ice use amount should be controlled at 3.1～3.6 gram/every kilogram of apples, and the proportioning of supra polymer Sodium Polyacrylate and water should be controlled in 1: 30～1: 40 scope.The main effect of agent for storage of coldness is to absorb apple because of endogenous heat and outside heat that respiration produced.
O
2The oxygen absorber of dress can be selected organic deoxidant or iron series deoxidizers etc. for use in the absorbent packaging bag 4, and its use amount should be controlled at 1.6～2.1 gram/every kilogram of apples.The main effect of oxygen absorber is to absorb apple because of the unnecessary oxygen that respiration produced, and regulates oxygen gas concentration or content in the natural gas adjusting fresh-keeping corrugated box 12.
CO
2The carbon-dioxide absorbent of dress can be selected soda lime or silica etc. for use in the absorbent packaging bag 5, and its use amount should be controlled at 3.8～4.9 gram/every kilogram of apples.The main effect of carbon-dioxide absorbent is to absorb apple because of the excess carbon dioxide that respiration produced, and regulates density of carbon dioxide gas or content in the natural gas adjusting fresh-keeping corrugated box 12.
The ethylene absorbent of dress can be selected micropowders such as travertine or artificial zeolite for use in the ethylene absorbent packaging bag 6, and its use amount should be controlled at 3.7～4.6 gram/every kilogram of apples.The main effect of ethylene absorbent is to absorb apple because of the ethene that respiration produced, and suppresses the respiratory rate and the aging of fresh apple, reduces the contained organic matter fundamental change of apple.
The moisture absorber of dress can be selected molecular sieve or silica gel etc. for use in the moisture absorber packaging bag 7, and its use amount should be controlled at 1.8～2.5 gram/every kilogram of apples.The main effect of moisture absorber is to absorb apple because of the moisture (moisture vapor) that respiration, transpiration produced, and regulates moisture or relative humidity in the natural gas adjusting fresh-keeping corrugated box 12.
Natural gas adjusting fresh-keeping corrugated box 12 that is adopted among the present invention and bottom cardboard bed course 11 thereof, top cardboard bed course 8, cardboard spacer 10, its raw material can be selected common paper plate, single wall corrugated board, double-layer corrugated cardboard for use, require corrugated case that enough compression strength can be provided the apple of packaging.
As shown in Figure 3, the operating procedure of natural gas adjusting cardboard box preservation method of the present invention is:
A, evenly be coated with the coating layer 2 of agent for storage of coldness, and dry substantially at common carton 1 inner surface;
B, paste selective permeation film 3 at the inner surface of the carton of steps A gained;
C, place bottom cardboard bed course 11 in the bottom of the carton of step B gained; Place cardboard spacer 10 at bottom cardboard bed course 11 upper surfaces; Apple is placed in the cardboard spacer 10 lightly, and attention should avoid abrading the apple epidermis; On cardboard spacer 10, place top cardboard bed course 8;
D, tile respectively at top cardboard bed course 8 upper surfaces of the carton of step C gained and to put oxygen absorbent package bag 4, carbon-dioxide absorbent packaging bag 5, ethylene absorbent packaging bag 6, the moisture absorber packaging bag 7 made from nonwoven.In operating process, should notice that each nonwoven fabrics package bag all should put near the middle section tiling of top cardboard bed course 8 upper surfaces, overlapping placement can not appear.
E, with bottom, the top involution of normal tape to the natural gas adjusting fresh-keeping corrugated box 12 that installs apple of step D gained.
Natural gas adjusting fresh-keeping corrugated box preservation method of the present invention is according to the general breathing feature of apple itself and natural gas adjusting packing principle, in the packed in cases system, select selective permeation film, oxygen absorber, carbon-dioxide absorbent, ethylene absorbent, agent for storage of coldness, moisture absorber etc. for use, regulate oxygen, carbon dioxide, temperature, moisture content in the Packaging Box, form the fresh-retaining preserving environment of low oxygen, high carbon dioxide, the release of gas such as ethene suppressing, acetaldehyde and microbial growth are bred, thereby reach the purpose of fresh-retaining preserving.
Embodiment 1
Adopt length to be of a size of the carton of 380mm * 240mm * 180mm, in adorn 24 apples (about 5kg), and according to following steps enforcement,
A, evenly be coated with the supra polymer Sodium Polyacrylate at common carton 1 inner surface: the proportioning of water is 1: 40 a coating layer 2, and dries substantially;
B, to paste polyvinylidene chloride film thickness at the inner surface of the carton of steps A gained be 50 microns;
C, place bottom cardboard bed course 11 in the bottom of the carton of step B gained; Place cardboard spacer 10 at bottom cardboard bed course 11 upper surfaces; Apple is placed in the cardboard spacer 10 lightly, notes in putting the process of apple, should avoiding abrading the apple epidermis; On cardboard spacer 10, place top cardboard bed course 8;
D, tile respectively at top cardboard bed course 8 upper surfaces of the carton of step C gained and to put oxygen absorbent package bag 4, carbon-dioxide absorbent packaging bag 5, ethylene absorbent packaging bag 6, the moisture absorber packaging bag 7 of packing with nonwoven.Oxygen absorber is wherein selected iron series deoxidizers for use, and its use amount is 1.9 gram/every kilogram of apples; Carbon-dioxide absorbent is selected soda lime for use, and its use amount is 4.0 gram/every kilogram of apples; Ethylene absorbent is selected the artificial zeolite micropowder for use, and its use amount is 4.0 gram/every kilogram of apples; Moisture absorber is selected silica gel for use, and its use amount is 2.2 gram/every kilogram of apples.In operating process, should notice that each nonwoven fabrics package bag all should put near the middle section tiling of top cardboard bed course 8 upper surfaces, overlapping placement can not appear.
E, with bottom, the top involution of normal tape to the natural gas adjusting fresh-keeping corrugated box 12 that installs apple of step D gained.
Red fuji apple was carried out fresh-retaining preserving three months, and carry out 1～3 month storage experiment test successively, data and result are as shown in table 1.The sample of contrast is selected the red fuji apple that in mid or late October, 2006 gathers simultaneously for use, and the initial measured value of this kind apple sample contrast groups and present embodiment: hardness (mean value) is 9.48 (10
5Pa); Sugar content (mean value) is 12.25 (%).
Table 1
| 1, on November 26th, 2006 (1 month) contrast and experiment | |
| Do not adopt 1. hardness (mean value) of natural gas adjusting fresh-keeping corrugated box preservation technique: 9.11 (10 5Pa) 2. sugar content (mean value): 12.60 (%) are conclusion 3.: the apple dehydration is serious, and surperficial shrinkage, stalk to occur hollow, and the surface does not have the phenomenon of fading; Meat is loose, and fruit juice is more, does not have fragranced substantially, no commodity value. | Adopt 1. hardness (mean value) of natural gas adjusting fresh-keeping corrugated box preservation technique: 10.40 (10 5Pa) 2. sugar content (mean value): 12.29 (%) are conclusion 3.: apple does not have damage, does not have obvious dehydration, does not have and fade, and flat surfaced is shrinkage not, and glossiness is good; Fruit is fresh, and meat is crisp firmly, fruit juice abundant, free from extraneous odour, no aftertaste, and back apple mouthfeel is basic identical with gathering. |
| 2, on December 27th, 2006 (2 months) contrast and experiment | |
| Do not adopt 1. hardness (mean value) of natural gas adjusting fresh-keeping corrugated box preservation technique: 8.68 (10 5Pa) 2. sugar content (mean value): 15.94 (%) are conclusion 3.: the apple dehydration is serious, the serious shrinkage in surface, and matt substantially, the surface does not have the phenomenon of fading substantially; Meat is loose, and fruit juice is less, does not have fragranced substantially, no commodity value. | Adopt 1. hardness (mean value) of natural gas adjusting fresh-keeping corrugated box preservation technique: 10.51 (10 5Pa) 2. sugar content (mean value): 14.90 (%) are conclusion 3.: apple does not have damage, does not have obvious dehydration, does not have and fade, and flat surfaced is shrinkage not, and glossiness is good; Fruit is fresh, and meat is loose slightly, fruit juice is abundant, free from extraneous odour, no aftertaste, and back apple mouthfeel is basic identical with gathering. |
| 3, on January 27th, 2007 (3 months) contrast and experiment | |
| Do not adopt 1. hardness (mean value) of natural gas adjusting fresh-keeping corrugated box preservation technique: 8.18 (10 5Pa) 2. sugar content (mean value): 12.75 (%) are conclusion 3.: the apple dehydration is very serious, and all shrinkages of surface have the sugar of oozing, a phenomenon of fading, and are matt substantially; Meat is loose, and fruit juice is few, does not have fragranced substantially, no commodity value. | Adopt 1. hardness (mean value) of natural gas adjusting fresh-keeping corrugated box preservation technique: 9.38 (10 5Pa) 2. sugar content (mean value): 12.13 (%) are conclusion 3.: apple does not have damage, does not have obvious dehydration, does not have and fade, and flat surfaced is shrinkage not, and glossiness is better; Fruit is fresh, and meat is crisp firmly, fruit juice abundant, free from extraneous odour, no aftertaste, and back apple mouthfeel is basic identical with gathering. |
According to the step of embodiment 1, control dry ice use amount is 3.6 gram/every kilogram of apples; Polyvinylidene chloride film thickness is 30 microns; Oxygen absorber is selected iron series deoxidizers for use, and its use amount is 1.6 gram/every kilogram of apples; Carbon-dioxide absorbent is selected silica for use, and its use amount is 4.5 gram/every kilogram of apples; Ethylene absorbent is selected the artificial zeolite micropowder for use, and its use amount is 4.6 gram/every kilogram of apples; Moisture absorber is selected silica gel for use, and its use amount is 2.5 gram/every kilogram of apples.Red fuji apple was carried out fresh-retaining preserving three months, and carry out 1～3 month fresh-retaining preserving experiment test successively, data and result are as follows:
The fresh-retaining preserving experimental result was in 1 month
Hardness (mean value): 10.35 (10
5Pa); Sugar content (mean value): 12.39 (%)
The fresh-retaining preserving experimental result was in 2 months
Hardness (mean value): 10.45 (10
5Pa); Sugar content (mean value): 14.95 (%)
The fresh-retaining preserving experimental result was in 3 months
Hardness (mean value): 9.28 (10
5Pa); Sugar content (mean value): 12.30 (%)
Contrast experiment's conclusion: utilize the trimestral apple of method fresh-retaining preserving of the present invention not have damage, do not have obvious dehydration, do not have and fade, flat surfaced is shrinkage not, and glossiness is better; Fruit is fresh, and meat is crisp firmly, fruit juice abundant, free from extraneous odour, no aftertaste, and back apple mouthfeel is basic identical with gathering.
According to the step of embodiment 1, control supra polymer Sodium Polyacrylate: the proportioning of water is 1: 35; Polyvinylidene chloride film thickness is 80 microns; Oxygen absorber is selected iron series deoxidizers for use, and its use amount should be controlled at 2.1 gram/every kilogram of apples; Carbon-dioxide absorbent is selected soda lime for use, and its use amount is 3.8 gram/every kilogram of apples; Ethylene absorbent can be selected the travertine micropowder for use, and its use amount is 4.2 gram/every kilogram of apples; Moisture absorber is selected silica gel for use, and its use amount is 1.8 gram/every kilogram of apples.Red fuji apple was carried out fresh-retaining preserving three months, and carry out 1～3 month fresh-retaining preserving experiment test successively, data and result are as follows:
The fresh-retaining preserving experimental result was in 1 month
Hardness (mean value): 10.38 (10
5Pa); Sugar content (mean value): 12.33 (%)
The fresh-retaining preserving experimental result was in 2 months
Hardness (mean value): 10.46 (10
5Pa); Sugar content (mean value): 14.96 (%)
The fresh-retaining preserving experimental result was in 3 months
Hardness (mean value): 9.30 (10
5Pa); Sugar content (mean value): 12.18 (%)
Contrast experiment's conclusion: utilize the trimestral apple of method fresh-retaining preserving of the present invention not have damage, do not have obvious dehydration, do not have and fade, flat surfaced is shrinkage not, and glossiness is better; Fruit is fresh, and meat is crisp firmly, fruit juice abundant, free from extraneous odour, no aftertaste, and back apple mouthfeel is basic identical with gathering.
According to the step of embodiment 1, control dry ice use amount is 3.1 gram/every kilogram of apples; Low-density polyethylene film thickness is 30 microns; Oxygen absorber is selected organic deoxidant for use, and its use amount is 1.6 gram/every kilogram of apples; Carbon-dioxide absorbent is selected silica for use, and its use amount is 4.9 gram/every kilogram of apples; Ethylene absorbent is selected the travertine micropowder for use, and its use amount is 4.6 gram/every kilogram of apples; Moisture absorber can be selected molecular sieve for use, and its use amount is 2.5 gram/every kilogram of apples.Red fuji apple was carried out fresh-retaining preserving three months, and carry out 1～3 month fresh-retaining preserving experiment test successively, data and result are as follows:
The fresh-retaining preserving experimental result was in 1 month
Hardness (mean value): 10.35 (10
5Pa); Sugar content (mean value): 12.32 (%)
The fresh-retaining preserving experimental result was in 2 months
Hardness (mean value): 10.48 (10
5Pa); Sugar content (mean value): 14.96 (%)
The fresh-retaining preserving experimental result was in 3 months
Hardness (mean value): 9.35 (10
5Pa); Sugar content (mean value): 12.16 (%)
Contrast experiment's conclusion: utilize the trimestral apple of method fresh-retaining preserving of the present invention not have damage, do not have obvious dehydration, do not have and fade, flat surfaced is shrinkage not, and glossiness is better; Fruit is fresh, and meat is crisp firmly, fruit juice abundant, free from extraneous odour, no aftertaste, and back apple mouthfeel is basic identical with gathering.
According to the step of embodiment 1, control dry ice use amount is 3.3 gram/every kilogram of apples; Low-density polyethylene film thickness is 80 microns; Oxygen absorber is selected organic deoxidant for use, and its use amount is 1.8 gram/every kilogram of apples; Carbon-dioxide absorbent is selected silica for use, and its use amount is 3.8 gram/every kilogram of apples; Ethylene absorbent is selected the artificial zeolite micropowder for use, and its use amount is 3.7 gram/every kilogram of apples; Moisture absorber can be selected molecular sieve for use, and its use amount is 2.0 gram/every kilogram of apples.Red fuji apple was carried out fresh-retaining preserving three months, and carry out 1～3 month fresh-retaining preserving experiment test successively, data and result are as follows:
The fresh-retaining preserving experimental result was in 1 month
Hardness (mean value): 10.40 (10
5Pa); Sugar content (mean value): 12.31 (%)
The fresh-retaining preserving experimental result was in 2 months
Hardness (mean value): 10.48 (10
5Pa); Sugar content (mean value): 14.94 (%)
The fresh-retaining preserving experimental result was in 3 months
Hardness (mean value): 9.35 (10
5Pa); Sugar content (mean value): 12.15 (%)
Contrast experiment's conclusion: utilize the trimestral apple of method fresh-retaining preserving of the present invention not have damage, do not have obvious dehydration, do not have and fade, flat surfaced is shrinkage not, and glossiness is better; Fruit is fresh, and meat is crisp firmly, fruit juice abundant, free from extraneous odour, no aftertaste, and back apple mouthfeel is basic identical with gathering.
According to the step of embodiment 1, the proportioning of control supra polymer Sodium Polyacrylate colloid and water is 1: 30; Low-density polyethylene film thickness is 70 microns; Oxygen absorber is selected organic deoxidant for use, and its use amount is 2.1 gram/every kilogram of apples; Carbon-dioxide absorbent is selected soda lime for use, and its use amount is 4.9 gram/every kilogram of apples; Ethylene absorbent can be selected the travertine micropowder for use, and its use amount is 3.7 gram/every kilogram of apples; Moisture absorber can be selected molecular sieve for use, and its use amount is 1.8 gram/every kilogram of apples.Red fuji apple was carried out fresh-retaining preserving three months, and carry out 1～3 month fresh-retaining preserving experiment test successively, data and result are as follows:
The fresh-retaining preserving experimental result was in 1 month
Hardness (mean value): 10.41 (10
5Pa); Sugar content (mean value): 12.28 (%)
The fresh-retaining preserving experimental result was in 2 months
Hardness (mean value): 10.48 (10
5Pa); Sugar content (mean value): 14.93 (%)
The fresh-retaining preserving experimental result was in 3 months
Hardness (mean value): 9.36 (10
5Pa); Sugar content (mean value): 12.16 (%)
Contrast experiment's conclusion: utilize the trimestral apple of method fresh-retaining preserving of the present invention not have damage, do not have obvious dehydration, do not have and fade, flat surfaced is shrinkage not, and glossiness is better; Fruit is fresh, and meat is crisp firmly, fruit juice abundant, free from extraneous odour, no aftertaste, and back apple mouthfeel is basic identical with gathering.
1～3 month the fresh-retaining preserving experiment and traditional non-freezer of above each embodiment of the present invention, carton fresh-keeping and preserving method comparing result under the non-air-conditioned cold store condition shows, natural gas adjusting fresh-keeping corrugated box method proposed by the invention can solve the non-freezer of apple in three months after mid or late October gathers, the fresh-retaining preserving problem of non-air-conditioned cold store, can keep low temperature (1～2 ℃) in the natural gas adjusting fresh-keeping corrugated box, low concentration (3%) oxygen, the fresh-retaining preserving environmental condition of high concentration (3%) carbon dioxide, the respiratory intensity that can effectively suppress apple, moisture loss, ripe old and feeble, storage disease, significantly improve the fresh-keeping quality of apple, prolong the freshness date of apple, pollution-free to apple, nonhazardous, meet the health edible demand fully, have good result of use and promotional value.
Claims (9)
1. the natural gas adjusting cardboard box preservation method of an apple, apple is placed in the Packaging Box, Packaging Box inside is lined with base paper plate bed course (11), by cardboard spacer (10) baffle is told in Packaging Box inside, apple is placed in the baffle, on apple, lay top cardboard bed course (8) then, it is characterized in that, apply coating layer (2) at the Packaging Box inner surface, paste selective permeation film (3), go up even tiling at top cardboard bed course (8) O is housed respectively at coating layer (2) inner surface
2Absorbent, CO
2The packaging bag of absorbent, ethylene absorbent and moisture absorber.
2. preservation method according to claim 1 is characterized in that, described coating layer (2) is the agent for storage of coldness colloid layer, and agent for storage of coldness is selected dry ice or supra polymer Sodium Polyacrylate colloid for use.
3. preservation method according to claim 2 is characterized in that, the use amount of described dry ice is 3.1～3.6 gram/every kilogram of apples.
4. preservation method according to claim 2 is characterized in that, in the described supra polymer Sodium Polyacrylate colloid, the volume proportion of supra polymer Sodium Polyacrylate and water is 1: 30～1: 40.
5. preservation method according to claim 1 is characterized in that, described selective permeation film (3) is selected low density polyethylene (LDPE) or polyvinylidene chloride film for use, and film thickness is 30～80 microns.
6. preservation method according to claim 1 is characterized in that, described O
2Absorbent is selected organic deoxidant or iron series deoxidizers for use, and its use amount is 1.6～2.1 gram/every kilogram of apples.
7. preservation method according to claim 1 is characterized in that, described CO
2Absorbent is selected soda lime or silica for use, and its use amount is 3.8～4.9 gram/every kilogram of apples.
8. preservation method according to claim 1 is characterized in that, described ethylene absorbent is selected travertine or artificial zeolite micropowder for use, and its use amount is 3.7～4.6 gram/every kilogram of apples.
9. preservation method according to claim 1 is characterized in that described moisture absorber is selected molecular sieve or silica gel for use, and its use amount is 1.8～2.5 gram/every kilogram of apples.
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| CN102009792A (en) * | 2010-11-19 | 2011-04-13 | 西安理工大学 | Fruit preserving carton and fruit preserving and storing method utilizing same |
| CN104477526A (en) * | 2014-11-25 | 2015-04-01 | 林廷柱 | Fruit and vegetable freshness preservation carton box |
| CN104886230A (en) * | 2015-05-04 | 2015-09-09 | 新疆农业科学院生物质能源研究所 | Method for promoting formation of sugar cores of apples |
| CN105170424A (en) * | 2015-08-03 | 2015-12-23 | 浙江理工大学 | Manufacturing method of ethylene absorption type fruit and vegetable fresh-keeping corrugated case |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2140882Y (en) * | 1992-12-30 | 1993-08-25 | 中国包装进出口天津公司纸箱厂 | Corrugated carton with coating |
-
2007
- 2007-11-06 CN CN2007100190044A patent/CN101199296B/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102009792A (en) * | 2010-11-19 | 2011-04-13 | 西安理工大学 | Fruit preserving carton and fruit preserving and storing method utilizing same |
| CN102009792B (en) * | 2010-11-19 | 2012-08-29 | 西安理工大学 | Fruit preserving carton and fruit preserving and storing method utilizing same |
| CN104477526A (en) * | 2014-11-25 | 2015-04-01 | 林廷柱 | Fruit and vegetable freshness preservation carton box |
| CN104886230A (en) * | 2015-05-04 | 2015-09-09 | 新疆农业科学院生物质能源研究所 | Method for promoting formation of sugar cores of apples |
| CN104886230B (en) * | 2015-05-04 | 2018-03-09 | 新疆农业科学院生物质能源研究所 | A kind of method for promoting apple sugar to be formed centrally |
| CN105170424A (en) * | 2015-08-03 | 2015-12-23 | 浙江理工大学 | Manufacturing method of ethylene absorption type fruit and vegetable fresh-keeping corrugated case |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101199296B (en) | 2010-11-24 |
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