A kind of mango water retention and sterilization coating liquid and preparation method thereof

A technology of water sterilization and coating liquid, which is applied in the fields of fruit and vegetable fresh-keeping, food preservation, and protection of fruits/vegetables with a coating protective layer, which can solve the problems of easy generation of cold-resistant pathogens and high cost of refrigeration, and achieve the purpose of inhibiting surface bacteria growth, reduce fresh-keeping costs, and prevent rot

Inactive Publication Date: 2016-02-03
GUANGXI UNIVERSITY OF TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

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, 0.02g of myristic acid and 0.02g of aminooxyacetic acid in sequence, stir until completely dissolved, then add 3g of sodium carbonate , and finally diluted with water to 1000g to obtain mango water-retaining and sterilizing coating liquid. Mangoes are put into the mango water-retaining and sterilizing coating solution, dipped and dried, and a film is obtained on the surface of the mangoes.

Embodiment 2

[0013] Dissolve 180g of shellac with 220ml of ethanol at 40°C, then add 1.5g of monoglyceride, 0.03g of myristic acid and 0.01g of aminooxyacetic acid in turn, stir until completely dissolved, then add 5g of carbonic acid sodium, and finally diluted with water to 1000g to obtain the mango water-retaining and antiseptic coating solution.

Embodiment 3

[0015] Dissolve 200g of shellac with 300ml of ethanol at 30°C, then add 2g of monoglyceride, 0.02g of myristic acid and 0.015g of aminooxyacetic acid in turn, stir until completely dissolved, then add 4g of sodium carbonate , and finally diluted with water to 1000g to obtain mango water-retaining and sterilizing coating liquid.

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PUM

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Abstract

The invention discloses a water-retaining and sterilizing coating solution for mango, which is composed of shellac, monoglyceride, sodium carbonate, myristic acid, aminooxyacetic acid and a solvent, wherein the mass concentration of shellac is 15-20%, and the single The mass concentration of glyceride is 0.1-0.2%, the mass concentration of sodium carbonate is 0.3-0.5%, the mass concentration of myristic acid is 0.002-0.004%, and the mass concentration of aminooxyacetic acid is 0.001-0.002%. The invention can reduce the fresh-keeping cost, does not produce cold-resistant pathogenic bacteria, can inhibit the respiration of mango and the growth of surface pathogenic bacteria, and prevent rot. The water-retaining and sterilizing coating solution is stable and can be stored for half a year without deterioration. The water-retaining and sterilizing coating liquid of the present invention can make the surface of mango bright, and after 100 days, the bad fruit rate is less than 5%, the water loss rate is less than 10%, and the taste is kept fresh.

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 mangoes. Background technique [0002] Mango is a tropical fruit mainly produced in Guangxi. If fresh-keeping treatment is not carried out during transportation or storage to the north after picking, it is very easy to cause rapid deterioration and rot of mango 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 mango water-retaining and sterilizing coating solution and a preparation method thereof. [0004] In order to solve the problems of the technologies described above, the presen...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A23B7/16A23B7/154
Inventor 吴艳李克讷
Owner GUANGXI UNIVERSITY OF TECHNOLOGY
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