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Chinese chestnut biological antistaling agent

A biological preservative, the technology of chestnut, which is applied in the fields of food preservation, food science, edible seed preservation, etc., can solve the problems of short preservation time of chestnut, and achieve the effects of excellent dispersibility, long preservation period and low cost.

Inactive Publication Date: 2010-10-20
粟学俐
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  • Summary
  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

The preservation time of chestnuts at room temperature is relatively short, generally about 3 months, and can be stored for about half a year in refrigeration, but the taste is much worse than that of freshly harvested chestnuts

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0011] Embodiment 1: Get chitosan (0-carboxymethyl chitosan or N, O-carboxymethyl chitosan) 15g and put into 1000g water until fully dissolved.

Embodiment 2

[0012] Embodiment 2: get chitosan (0-carboxymethyl chitosan or N, O-carboxymethyl chitosan) 15g and put into 1000g water, then slowly add tea polyphenols 0.5g, phytic acid 1.5g and Potassium behenate 1.5g, stirring while adding materials, until completely dissolved.

[0013] How to use: Soak high-quality chestnuts in this chestnut preservative for 1 minute, then pick them up and dry them, put them in a plastic bag and seal them for storage. Such as the use of vacuum packaging and low temperature storage effect is better.

[0014] Preservation experiment: select chestnuts of similar size and no damage, divide them into two batches, soak them in the prepared preservative solution for 1 minute, take them out and drain them, and store them at room temperature. Use untreated chestnuts as a control, and observe and measure them regularly. Experiments show that its shelf life is 4-8 times longer than that of chestnuts without fresh-keeping treatment, and it can be kept fresh for 1-2...

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Abstract

The invention relates to a Chinese chestnut biological antistaling agent which comprises the following components in parts by weight: 5-15 parts of chitosan, 0.5-1.5 parts of tea polyphenol, 0.5-1.5 parts of phytic acid and 1.5-2.5 parts of potassium sorbate. The Chinese chestnut biological antistaling agent has the advantages of no toxicity and taste and low cost, and also has excellent dispersibility, moisture retention, and film formation and antibiotic property. Repeated experiments in multiple years prove that the Chinese chestnut processed by the Chinese chestnut biological antistaling agent has quality guarantee period prolonged 4-8 times compared with the Chinese chestnut unprocessed by preservation, can be preserved for 1-2 years under normal temperature, and has no remarkable change on the appearance and the taste, no mildew and no pests. If being combined with the cold storage technology, the Chinese chestnut biological antistaling agent can ensure that the Chinese chestnut has longer quality guarantee period.

Description

technical field [0001] The invention relates to the technical field of storage and preservation of agricultural products. It specifically relates to a chestnut biological preservative. Background technique [0002] Chestnut is known as the "King of Dried Fruits". Chestnut is rich in nutrition, mainly rich in starch, protein and sugar, etc. It has high comprehensive utilization value, sweet and delicious taste, edible and medicinal. , promoting blood and nourishing blood and other effects. Chestnuts have a high water content, and they are afraid of heat, freezing, drying, water and stuffiness during storage, making it difficult to keep fresh. The preservation time of chestnuts at room temperature is relatively short, generally about 3 months, and can be stored for about half a year in refrigeration, but the taste is much worse than that of freshly harvested chestnuts. Contents of the invention [0003] Purpose of the present invention is exactly to provide a kind of ches...

Claims

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Application Information

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IPC IPC(8): A23B9/14A23B9/26
Inventor 粟学俐杜予民王洪林杨建红贺德春张群
Owner 粟学俐
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