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Fruit and vegetable antistaling coating and preparation and application thereof

A fruit and vegetable fresh-keeping and coating technology, applied in the directions of fruit and vegetable fresh-keeping, application, food preservation, etc., can solve the problems of hidden safety hazards, complicated process, high manufacturing cost, etc., and achieve low manufacturing cost, good safety, and simple preparation method Effect

Active Publication Date: 2016-06-08
ZHEJIANG UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the former has potential safety hazards because it is difficult to clean fruits and vegetables when they are eaten, and sometimes causes intestinal infections; while the traditional corrugated boxes mentioned in the latter are due to the complexity of the process, high manufacturing costs, and no functional fresh-keeping components in the inner layer. , it can only achieve a limited fresh-keeping effect in the end, and has not been widely promoted and applied in the market

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Embodiment 1: multifunctional fruit and vegetable fresh-keeping coating

[0030] (1) Zinc-palladium modified molecular sieve: Take 8.3g of palladium chloride, 60.8g of zinc chloride (purchased from Aladdin) and add 100ml of deionized water, then add 5 drops of dilute hydrochloric acid (purchased from Aladdin) to make a mixed solution , then take 0.5kg molecular sieve (13X) (purchased from Aladdin) and soak in the mixed solution for 12 hours, dry and grind to obtain zinc-palladium modified molecular sieve (the mass loading capacity of palladium is 1%, and the mass loading capacity of zinc is 6% ).

[0031] (2) Take 0.1 kg of zinc-palladium modified molecular sieve and 0.01 kg of superabsorbent sodium polyacrylate resin (purchased from Aladdin) respectively, finely grind to 80-100 mesh; mix well, and make powder.

[0032] (3) Get 10kg of styrene-butadiene emulsion (purchased from Gaoyang Paper Co., Ltd.) and place it in a stirring container, start stirring, slowly add th...

Embodiment 2

[0034] (1) Magnesium-nickel modified molecular sieve: get 58.7g magnesium chloride, 21.8g nickel chloride (purchased from Aladdin) and add 100ml deionized water, then add 5 drops of dilute hydrochloric acid (purchased from Aladdin) to make a mixed solution, and then 0.5 kg molecular sieve (13X) (purchased from Aladdin) was soaked in the mixed solution for 12 hours, then dried and ground to obtain a magnesium-nickel modified molecular sieve (magnesium mass loading 3%, nickel mass loading 2%).

[0035] (2) Take 0.1kg of magnesium-nickel modified molecular sieve and 0.1kg of superabsorbent sodium polyacrylate resin (water absorption rate 760g / g) (purchased from Aladdin) respectively, finely grind to 80-100 mesh; mix well, and make powder.

[0036] (3) Get 15kg of polyurethane emulsion (purchased from Gaoyang Paper Co., Ltd.) and place it in a stirring container, start stirring, slowly add the preservative powder prepared in step (1), the stirring speed is 400 rpm, and the stirrin...

Embodiment 3

[0038] (1) Zinc-palladium modified molecular sieve: Take 8.3g of palladium chloride, 60.8g of zinc chloride (purchased from Aladdin) and add 100ml of deionized water, then add 5 drops of dilute hydrochloric acid (purchased from Aladdin) to make a mixed solution , and then take 0.5kg molecular sieve (13X) (purchased from Aladdin) and soak in the mixed solution for 12 hours, then dry and grind to obtain a zinc-palladium modified molecular sieve (the mass loading of palladium is 1%, and the mass loading of zinc is 6 %).

[0039] (2) Take 0.1kg of zinc-palladium modified molecular sieve and 0.5kg of superabsorbent sodium polyacrylate resin (water absorption rate 760g / g) (purchased from Aladdin) respectively, finely grind to 80-100 mesh; mix well, and make powder.

[0040](3) Get 18kg of polyacrylate emulsion (purchased from Gaoyang Paper Co., Ltd.) and place it in a stirring container, start stirring, slowly add the powder prepared in step (1), the stirring speed is 400 rpm, and ...

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PUM

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Abstract

The invention discloses a fruit and vegetable antistaling coating, which is composed of the following raw materials (by weight): 1 part of an ethylene absorbent, 100-200 parts of an adhesive, 0.1-10 parts of a water regulator and 0.05-15 parts of an antibacterial agent. A preparation method of the fruit and vegetable antistaling coating is simple; manufacturing cost is low; antistaling function is good; and the formula used has good safety, has no residue, can be used for directly packaging fruit and vegetable products, and has strong market competitive superiority.

Description

(1) Technical field [0001] The invention relates to a fresh-keeping paint, in particular to a fresh-keeping paint for fruits and vegetables. (2) Background technology [0002] During the entire logistics process of fruit and vegetable harvesting, storage, transportation, and reaching consumers, if the preservation is not done properly, it will cause losses after harvesting. In order to adjust the market supply, it is necessary to properly preserve the freshness of the fruits and vegetables after harvesting. processing to meet people's needs. [0003] Over the years, in order to keep fruits and vegetables fresh during storage and transportation, researchers have successfully developed a variety of preservation methods and technologies based on the physiological and physical characteristics of fruits and vegetables. On fruits and vegetables, or dilute the preservative with water to form a fresh-keeping liquid, soak the fruits and vegetables for a period of time, dry them befo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23B7/154
CPCA23B7/154
Inventor 王德海孙宇露朱国建
Owner ZHEJIANG UNIV OF TECH
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