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A kind of sugar orange coating film preservative and preparation method thereof

A technology of tangerine coating film and preservative, which is applied in the field of shatang orange coating preservative, which can solve the problems of easy generation of cold-resistant pathogenic bacteria and high cost of refrigeration, and achieve the effect of strong adhesion, good stability and maintaining taste

Inactive Publication Date: 2015-10-28
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

[0010] Based on 1000g of coating preservative, first add 20g of sodium alginate into water, heat to 40°C, then add 1g of monoglyceride, stir to form a uniform emulsion, then add 0.005g of aminooxyacetic acid, 0.006 g of iprocarbamil and 3 g of sodium bicarbonate were stirred for 30 minutes to obtain the coated preservative for shatangju. When in use, spray the shatangju coating preservative on the shatangju, let it dry in air, and get a layer of film on the surface of the shatangju.

Embodiment 2

[0012] Based on 1000g of film preservative, first add 25g of sodium alginate into water, heat to 40°C, then add 1.7g of monoglyceride, stir to form a uniform emulsion, and then add 0.007g of aminooxyacetic acid, 0.007g of iprocarbam and 3.5g of sodium bicarbonate were stirred for 30 minutes to obtain the shatangju coated preservative.

Embodiment 3

[0014] Based on 1000g of coating preservative, first add 40g of sodium alginate into water, heat to 45°C, then add 3g of monoglyceride, stir to form a uniform emulsion, and then add 0.006g of aminooxyacetic acid, 0.006 g of iprocarbamil and 5 g of sodium bicarbonate were stirred for 30 minutes to obtain the coated preservative for shatangju.

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PUM

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Abstract

The invention discloses coating preservative of a sugar orange. The coating preservative is prepared from the following raw materials by mass concentration: 2 to 4% of sodium alginate, 0.1 to 0.3% of monoglyceride, 0.3 to 0.5% of sodium bicarbonate, 0.0005 to 0.0007% of amino acetic acid, 0.0006 to 0.0007% of iprovalicarb, and water. The coating preservative can be used conveniently, the cost is low, cold-resistant bacteria cannot be caused during cold storage and fresh preservation, coatings formed in the surfaces of the sugar oranges can be used for stopping the breathe of the sugar oranges and the grow of the surface bacteria, and therefore the decay is prevented; after the oranges are stored for 100 days, the rate of decayed oranges is less than 4%, the rate of water loss is less than 10%, and therefore the state is fresh. The coating preservative has high stability, the oranges can be stored for half a year without decaying, and the formed coatings have high adhesive force.

Description

technical field [0001] The invention belongs to the field of fruit fresh-keeping, and in particular relates to a film-coated fresh-keeping agent for shatangju. Background technique [0002] Sand Tangerine is a tropical fruit mainly produced in the south. If it is not fresh-keeping after being picked and transported to the north or stored, it is very easy to cause rapid deterioration and rot of the Tangerine 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 film-coated preservative for shatangju and a preparation method thereof. [0004] In order to solve the problems of the technologies described above, the present invention provides the followi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A23B7/16
Inventor 李书平李东泉
Owner GUANGXI UNIVERSITY OF TECHNOLOGY