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Preparation method for kumquat fresh-keeping solution

A technology of fresh-keeping liquid and kumquat, which is applied in the direction of protecting fruits/vegetables with a coating protective layer, which can solve the problems of desorption, harm to human body, failure, etc., and achieve the effect of simple preparation method and easy cleaning

Inactive Publication Date: 2015-03-04
NORTHEAST FORESTRY UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

Although the former has a high removal rate, it will fail after adsorption saturation, and there is even a risk of desorption; most of the fungicides currently on the market are toxic, and the residues are harmful to the human body

Method used

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  • Preparation method for kumquat fresh-keeping solution

Examples

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Embodiment 1

[0018] Take 1000g of fresh and high-quality fish scales, wash and remove surface impurities, add 3000g of clean tap water, boil for 8 minutes, add 4000g of 0.2mol / L citric acid solution to the boiled fish scales, then add 10g of papain, 35℃-40 Stir and hydrolyze at ℃ for 8 hours, boil for 8 minutes, filter, collect the filtrate containing collagen, add 40g of nanometer titanium dioxide to the filtrate, and stir well to obtain the composite preservation solution.

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Abstract

The invention provides a preparation method for a kumquat fresh-keeping solution. A main flow of the method comprises the following steps of: hydrolyzing fresh high-quality fish scales to obtain a collagen solution; adding nano titanium dioxide into the collagen solution; agitating sufficiently and uniformly to obtain a compound fresh-keeping solution. after kumquats are soaking into the compound fresh-keeping solution for several minutes and then taken out, one layer of a fresh-keeping film is formed on the surface and the formed fresh-keeping film is easy to wash; the fresh-keeping film is harmless to the human body after being ingested by a human body; ingested micro-molecular collagens are beneficial to the human body. The compound fresh-keeping solution provided by the invention is environment-friendly and safe, the preparation method is simple and feasible, and the fresh-keeping effect is good.

Description

technical field [0001] The invention relates to fruit fresh-keeping technology, in particular to a preparation method of kumquat fresh-keeping liquid. Background technique [0002] Fruits and vegetables are usually listed in a fresh form, rich in nutrition and suitable in taste, and are indispensable foods in people's lives. Fresh fruits and vegetables are harvested and consumed by humans. Due to their own respiration and pathogenic organisms, a large number of fruits and vegetables are rotted and lost every year. [0003] Kumquat, belonging to Rutaceae and Kumquat genus, is native to China and has a cultivation history of more than 1,700 years so far, with an annual output value of more than 100 million yuan. The fruit is oval, golden yellow, shiny, juicy and delicious, and can be eaten with the skin on. Kumquat is not only beautiful, but its fruit is rich in vitamin C, kumquat glycosides and other ingredients, which can prevent colds, lower blood lipids, and have a certa...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A23B7/16
Inventor 王宏伟毕冰李同华王晓龙王竟红杨玉焕
Owner NORTHEAST FORESTRY UNIVERSITY
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