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Siraitia grosvenori water retention sterilization filming liquid and preparation method thereof

A technology for water sterilization and coating liquid, which is applied in the preservation of fruits and vegetables, food preservation, and protection of fruits/vegetables with a protective coating, etc. problems, to achieve the effect of reducing the cost of preservation, maintaining the taste, and inhibiting growth

Inactive Publication Date: 2014-04-16
GUANGXI UNIVERSITY OF TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Luo Han Guo is a tropical fruit mainly produced in Guangxi. If no fresh-keeping treatment is carried out during transportation or storage to the north after picking, it is very easy to cause rapid deterioration and rot of Luo Han Guo due to breathing or residual harmful bacteria on the surface.
Most of the existing fresh-keeping methods are refrigeration, but the cost of refrigeration is high, and it is easy to produce cold-resistant pathogenic bacteria

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0011] Dissolve 150g of shellac with 200ml of ethanol at 40°C, then add 1g of monoglyceride, 0.01g of tea saponin, 0.06g of fluopyram and 0.05g of α-aminoisobutyric acid in sequence, and stir After it is completely dissolved, add 3g of sodium carbonate, and finally dilute to 1000g with water to obtain the water-retaining and sterilizing coating liquid of Luo Han Guo. Put the grosvenor fruit into the grosvenor fruit water-retaining and sterilizing coating solution, dip-coat, and dry in air to obtain a layer of film on the surface of the grosvenor fruit.

Embodiment 2

[0013] Dissolve 180g of shellac with 220ml of ethanol at 40°C, then add 1.5g of monoglyceride, 0.03g of tea saponin, 0.08g of fluopyram and 0.1g of α-aminoisobutyric acid, Stir until it is completely dissolved, then add 5g of sodium carbonate, and finally dilute to 1000g with water to obtain the water-retaining and sterilizing coating solution of Luo Han Guo.

Embodiment 3

[0015] Dissolve 200g of shellac with 300ml of ethanol at 30°C, then add 2g of monoglyceride, 0.04g of tea saponin, 0.07g of fluopyram and 0.01g of α-aminoisobutyric acid in sequence, and stir After it is completely dissolved, add 4g of sodium carbonate, and finally dilute to 1000g with water to obtain the water-retaining and sterilizing coating liquid of Luo Han Guo.

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PUM

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Abstract

The invention discloses a siraitia grosvenori water retention sterilization filming liquid which consists of shellac, glycerol monostearate, sodium carbonate, tea saponin, fluopyram, alpha-amino isobutyric acid and a solvent, wherein the mass concentration of shellac is 15-20%, the mass concentration of glycerol monostearate is 0.1-0.2%, the mass concentration of sodium carbonate is 0.3-0.5%, the mass concentration of tea saponin is 0.001-0.004%, the mass concentration of fluopyram is 0.006-0.008%, and the mass concentration of alpha-amino isobutyric acid is 0.01-0.001%. Through the adoption of the liquid, the freshness cost is lowered, no cold tolerance pathogenic bacterium is generated, growth of bacteria on the surface of siraitia grosvenori is inhibited, and rot is prevented. The water retention sterilization filming liquid is good in stability, the siraitia grosvenori is not deteriorated after being preserved for half a year, the surface of the siraitia grosvenori can be smooth and fresh, the fruit rot rate is less than 2% after 100 days, and the driage is less than 20%.

Description

technical field [0001] The invention belongs to the field of fruit preservation, and in particular relates to a water-retaining and sterilizing coating liquid for Luo Han Guo. Background technique [0002] Luo Han Guo is a tropical fruit mainly produced in Guangxi. If no fresh-keeping treatment is carried out during transportation or storage to the north after picking, it is very easy to cause rapid deterioration and rot of Luo Han Guo due to respiration or residual harmful bacteria on the surface. Most of the existing fresh-keeping methods are cold storage, but the cost of cold storage is relatively high, and cold-resistant pathogenic bacteria are likely to be produced. Contents of the invention [0003] The technical problem to be solved by the present invention is to overcome the existing defects, and provide a water-retaining and sterilizing coating liquid for Luo Han Guo and a preparation method thereof. [0004] In order to solve the problems of the technologies des...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23B7/154A23B7/16
Inventor 吴艳李克讷叶洪涛梁勇金
Owner GUANGXI UNIVERSITY OF TECHNOLOGY
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