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Natural cherry fresh keeping agent and preparation method thereof

A fresh-keeping agent, a natural technology, applied in the direction of fruit and vegetable preservation, food preservation, and protection of fruits/vegetables with a coating protective layer, etc., can solve the problems of complex preparation process of preservatives, difficulty in popularization and use, and high energy consumption in production. To achieve the effect of benefiting the health, inhibiting the reproduction of microorganisms and prolonging the shelf life

Inactive Publication Date: 2017-02-01
NANYANG NORMAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The antistaling agent has a good inhibitory effect on germs, can slow down the water loss of cherries, and maintain the quality of cherries, but the preparation process of the preservative is complicated and the conditions are harsh, and the production energy consumption is large, so it is not easy to popularize and use

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Preparation of cherry natural preservative:

[0024] Weigh according to the raw material formula, 17 parts of chitosan with 90% degree of deacetylation, 18 parts of tea polyphenols, 8 parts of calcium propionate, add them to 500 parts of distilled water, stir at room temperature for 4 minutes, then add 457 Parts of distilled water, and finally stirred at room temperature for 10 minutes until fully uniform, and the mixed solution was allowed to stand for 10 minutes to obtain a uniform natural preservative for cherries.

[0025] Cherry preservation test:

[0026] Select cherries without pests and diseases, without mechanical damage, and with a neat appearance, soak them in the preservative for 2 minutes, remove them, put them in a fresh-keeping tray after drying, cover with a plastic wrap, and store them at room temperature.

[0027] The test results found that: after the above-mentioned cherries treated with natural cherry preservatives were stored at room temperature f...

Embodiment 2

[0029] Preparation of cherry natural preservative:

[0030] Weigh according to the raw material formula, 17 parts of chitosan with 95% degree of deacetylation, 13 parts of tea polyphenols, 12 parts of calcium propionate, add them to 600 parts of distilled water, stir at room temperature for 5 minutes, then add 358 Parts of distilled water, and finally stirred at room temperature for 10 minutes until fully uniform, and the mixed solution was allowed to stand for 5 minutes to obtain a uniform natural preservative for cherries.

[0031] Cherry preservation test:

[0032] Choose cherries without pests and diseases, without mechanical damage, and with a neat appearance, soak them in the preservative for 4 minutes, remove them, put them in a fresh-keeping tray after drying, cover with a plastic wrap, and store them at room temperature.

[0033] The test results found that: after the above-mentioned cherries treated with natural cherry preservatives were stored at room temperature f...

Embodiment 3

[0035] Preparation of cherry natural preservative:

[0036] Weigh according to the raw material formula, deacetylation degree 95% chitosan 20 parts, tea polyphenols 15 parts, calcium propionate 10 parts, add them to 600 parts of distilled water, stir at room temperature for 5 minutes, then add 355 parts distilled water, and finally stirred at room temperature for 8 minutes until fully uniform, and the mixed solution was allowed to stand for 10 minutes to obtain a uniform natural preservative for cherries.

[0037] Cherry preservation test:

[0038] Choose cherries without pests and diseases, without mechanical damage, and with a neat appearance, soak them in the preservative for 5 minutes, remove them, put them in a fresh-keeping tray after drying, cover with a plastic wrap, and store them at room temperature.

[0039] The test results showed that: after the above-mentioned cherries treated with natural cherry preservatives were stored at room temperature for 8 days, the cher...

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PUM

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Abstract

The invention discloses a natural cherry fresh keeping agent and a preparation method thereof, wherein the natural cherry fresh keeping agent comprises, by weight, 17-23 parts of chitosan, 13-18 parts of tea polyphenol, 8-12 parts of calcium propionate, and 940-970 parts of water. According to the present invention, the components of the natural cherry fresh keeping agent are the natural and non-toxic substances, and cannot produce harm to human body; with the natural cherry fresh keeping agent, the cherry storage time can be prolonged to 8 days, wherein the cherry can be stored for 4 days at the room temperature, such that the storage time is doubled, and the fresh keeping effect is significant; and the fresh keeping agent preparation method is simple and is suitable for promotion and use.

Description

technical field [0001] The invention relates to a preservative and a preparation method thereof, in particular to a natural preservative for cherries and a preparation method thereof. Background technique [0002] First of all, cherries are counted. When cherries are on the market, they are in the off-season. However, the fruits of cherries are not resistant to storage and transportation, which seriously restricts their economic benefits. Preservation of cherries is the most difficult of fruits. The harvest period of cherries is relatively concentrated. In order to prolong the supply period of cherries and realize a virtuous circle of cherry production, sales and consumer markets, the storage and preservation of cherries is particularly important. [0003] At present, there are two main methods of preserving cherries: physical preservation and chemical preservation. Among them, the physical fresh-keeping method consumes a large amount of energy in the implementation process...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23B7/154A23B7/16
Inventor 田龙李雪晖鲁云风张英君王云
Owner NANYANG NORMAL UNIV
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