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Fruit fresh-keeping film coating agent and preparation method thereof

A coating agent and fruit technology, applied in the field of fruit fresh-keeping coating agent and its preparation, can solve the problems of being unable to inhibit fruit rot and not having a fresh-keeping effect, achieve good sterilization and antibacterial effects, reduce water transpiration, and reduce nutrition Effects of Consumption and Change

Inactive Publication Date: 2018-02-23
合肥众驰天下网络科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, relying solely on film-forming materials cannot inhibit fruit rot caused by microbial infection, and cannot achieve a better fresh-keeping effect.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] A fruit fresh-keeping coating agent, calculated by weight percentage, comprises the following components:

[0023] Water shield polysaccharide 3%, myristic acid 0.5%, sodium erythorbate 0.6%, α-aminoisobutyric acid 0.4%, polylysine 0.2%, plant polysaccharide gum 0.26%, and the balance is water. Plant polysaccharide gum is a mixture of seaweed gum and xanthan gum.

[0024] Preparation:

[0025] 1) Weigh water shield polysaccharide, myristic acid, sodium α-isoascorbate, aminoisobutyric acid, polylysine, plant polysaccharide gum and water according to the ratio, and set aside;

[0026] 2) Put the plant polysaccharide gum and water into the water bath and heat to 70°C, stir until the plant polysaccharide gum is completely dissolved, then add water shield polysaccharide and myristic acid and stir until completely dissolved; after cooling to room temperature, add erythorbic acid Sodium, α-aminoisobutyric acid and polylysine are mixed and stirred until completely dissolved t...

Embodiment 2

[0029] A fruit fresh-keeping coating agent, calculated by weight percentage, comprises the following components:

[0030] Water shield polysaccharide 1%, myristic acid 0.1%, sodium erythorbate 0.2%, β-aminoisobutyric acid 0.5%, polylysine 0.4%, plant polysaccharide gum 0.06%, and the balance is water. Plant polysaccharide gum is a mixture of seaweed gum and xanthan gum.

[0031] Preparation:

[0032] 1) Weigh water shield polysaccharide, myristic acid, sodium erythorbate, β-aminoisobutyric acid, polylysine, plant polysaccharide gum and water according to the ratio, and set aside;

[0033] 2) Put the plant polysaccharide gum and water into the water bath and heat to 65°C, stir until the plant polysaccharide gum is completely dissolved, then add water shield polysaccharide and myristic acid and stir until completely dissolved; after cooling to room temperature, add erythorbic acid Sodium, β-aminoisobutyric acid and polylysine are mixed and stirred until completely dissolved to...

Embodiment 3

[0036] A fruit fresh-keeping coating agent, calculated by weight percentage, comprises the following components:

[0037] Water shield polysaccharide 5%, myristic acid 1%, sodium erythorbate 1.2%, β-aminoisobutyric acid 0.1%, polylysine 0.1%, plant polysaccharide gum 0.36%, and the balance is water. Plant polysaccharide gum is a mixture of seaweed gum and xanthan gum.

[0038] Preparation:

[0039] 1) Weigh water shield polysaccharide, myristic acid, sodium erythorbate, β-aminoisobutyric acid, polylysine, plant polysaccharide gum and water according to the ratio, and set aside;

[0040] 2) Put the plant polysaccharide gum and water into the water bath and heat to 60°C, stir until the plant polysaccharide gum is completely dissolved, then add water shield polysaccharide and myristic acid and stir until completely dissolved; after cooling to room temperature, add erythorbic acid Sodium, β-aminoisobutyric acid and polylysine are mixed and stirred until completely dissolved to o...

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PUM

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Abstract

The invention provides a fruit fresh-keeping film coating agent and a preparation method thereof, wherein the fruit fresh-keeping film coating agent comprises, by weight, 1-5% of brasenia schreberi polysaccharide, 0.1-1% of myristic acid, 0.2-1.2% of sodium erythorbate, 0.1-0.5% of amino isobutyric acid, 0.1-0.4% of polylysine, 0.06-0.36% of plant polysaccharide gum, and the balance of water. Thepreparation method comprises: 1) mixing plant polysaccharide gum and water, placing the mixture into a water bath pot, heating to a temperature of 60-70 DEG C, stirring until the plant polysaccharidegum is completely dissolved, adding brasenia schreberi polysaccharide and myristic acid, uniformly stirring until completely dissolving, cooling to a room temperature, adding sodium erythorbate, aminoisobutyric acid and polylysine, and mixing and stirring until completely dissolving to obtain a mixed solution; and 2) filtering the mixed solution to remove undissolved substances, degassing under vacuum, standing overnight at a temperature of 4-10 DEG C, recovering to a room temperature, and carrying out vacuum degassing. According to the present invention, the fruit fresh-keeping film coatingagent can effectively reduce the decay rate of fruits, maintain the quality of fruits, improve the commercial rate of fruits, and prolong the fresh-keeping period.

Description

technical field [0001] The invention belongs to the technical field of fruit preservation, and in particular relates to a fruit preservation coating agent and a preparation method thereof. Background technique [0002] Fruit production is highly seasonal and regional. In order to meet consumers' demand for fruit, it is necessary to improve the fresh-keeping technology of fruit and prolong the market cycle of fresh fruit. However, fresh fruits still have high physiological activity after harvesting, especially fruits with high water content are more likely to rot and deteriorate. Therefore, prolonging the storage and transportation preservation time becomes the key to maintaining and increasing the value of fresh fruits. [0003] At present, the commonly used fruit preservation techniques mainly include low-temperature storage, controlled atmosphere preservation, and adding chemical preservatives. However, these techniques have certain limitations in practical applications. ...

Claims

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Application Information

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IPC IPC(8): A23B7/16A23L3/3562A23L3/3508A23L3/3544A23L3/3526
Inventor 孙业刚
Owner 合肥众驰天下网络科技有限公司
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