A kind of mango fresh-keeping coating agent and preparation method thereof

A coating agent, mango technology, applied in the field of mango fresh-keeping coating agent, can solve the problems of high refrigeration cost, mango deterioration and rot, easy to produce cold-resistant pathogens, etc., to reduce preservation costs, prevent browning and bacterial growth Effect

Inactive Publication Date: 2015-09-16
GUANGXI UNIVERSITY OF TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Mango is a tropical fruit in the south. 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 mangoes due to breathing or harmful bacteria remaining 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 100g of shellac with 200ml (40°C) ethanol first, then add 10g of citric acid, 0.01g of α-aminoisobutyric acid and 3g of copper hydroxide, stir and mix until completely dissolved, then add water to dilute to 1000g, obtain mango fresh-keeping coating agent.

Embodiment 2

[0013] Dissolve 150g of shellac with 300ml (35°C) ethanol first, then add 15g of citric acid, 0.005g of α-aminoisobutyric acid and 5g of copper hydroxide, stir and mix until completely dissolved, then add water to dilute to 1000g, obtain mango fresh-keeping coating agent.

Embodiment 3

[0015] Dissolve 200g of shellac with 400ml (40°C) ethanol first, then add 20g of citric acid, 0.008g of α-aminoisobutyric acid and 4g of copper hydroxide, stir and mix until completely dissolved, then add water to dilute to 1000g, obtain mango fresh-keeping coating agent.

[0016] When in use, the mangoes are dipped in the fresh-keeping coating agent, dipped and dried, and a layer of film is obtained on the surface of the mangoes.

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PUM

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Abstract

The invention discloses a mango preservation filming agent which consists of shellac, citric acid, copper hydroxide, alpha-amino isobutyric acid and a solvent, wherein the mass concentration of the shellac is 10-20%, the mass concentration of the citric acid is 1-2%, the mass concentration of the copper hydroxide is 0.3-0.5% and the mass concentration of the alpha-amino isobutyric acid is 0.001-0.0005%. The preparation method comprises the following steps:, dissolving the shellac by using ethanol, adding the citric acid, the alpha-amino isobutyric acid and copper hydroxide, and adding water to dilute. Through the adoption of the mango preservation filming agent, the freshness cost is lowered, cold tolerant pathogenic bacteria are not generated, the surface of the mango can be smooth and fresh by using the preservation filming agent disclosed by the invention, brown stain and bacterium propagation on the surface of mango are prevented, and after 100 days, the fruit rot rate is less than 3% and the driage is less than 25%.

Description

technical field [0001] The invention belongs to the field of fruit fresh-keeping, and in particular relates to a mango fresh-keeping coating agent. Background technique [0002] Mango is a tropical fruit in the south. If it is not kept fresh after being picked and transported to the north or stored, it is very easy to cause rapid deterioration and rot of mango due to breathing 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 fresh-keeping coating agent and its application method. [0004] In order to solve the problems of the technologies described above, the present invention provides the following technical solutions: [0005] A mango fresh-keeping coa...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A23B7/16
Inventor 李书平陈岳坪蒋百权
Owner GUANGXI UNIVERSITY OF TECHNOLOGY
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