Method for extracting soluble chitin

A technology for soluble chitin and crustaceans, which is applied in the field of extracting soluble chitin to achieve good utilization, simplicity, practicality and low cost

Inactive Publication Date: 2012-11-14
SHANTOU TILLMAN TOY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to solve the existing problems and provide a m

Method used

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Examples

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Example Embodiment

[0009] The present invention will be further described below in conjunction with embodiments.

[0010] The present invention can extract soluble chitin from the shells of crustaceans, and the extraction process includes the following steps:

[0011] (1) Early stage: clean the shell for use;

[0012] (2) Decalcification: soak in 6% hydrochloric acid for 12 hours, filter, rinse the filter cake and drain;

[0013] (3) Deproteinization: soak in 5% sodium hydroxide solution, boil in a water bath for 1 hour, filter, rinse the filter cake and drain it, repeat the operation three times;

[0014] (4) Secondary decalcification: repeat step (2);

[0015] (5) Deacetylation: Soak in 50% sodium hydroxide solution, heat to 80°C in a water bath, keep warm and stir for 3 days, filter, rinse the filter cake and drain;

[0016] (6) Drying: Dry in a vacuum oven to obtain soluble chitin.

[0017] Soluble chitin has the characteristics of heat resistance, alkali resistance, corrosion resistance, and non-delique...

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Abstract

The invention provides a method for extracting soluble chitin from shells of shellfishes. The method is characterized by including a first step of soaking in hydrochloric acid to decalcify, a second step of deproteinizing by sodium hydroxide, a third step of performing secondary soaking in hydrochloric acid to decalcify, and a fourth step of deacetylating by sodium hydroxide. The method for extracting insoluble chitin from the shells of the shellfishes effectively is simple, practical and low in cost, and accordingly resource of the shells can be well utilized.

Description

technical field [0001] The invention relates to the field of chemical product preparation, in particular to a method for extracting soluble chitin. Background technique [0002] Chitin was discovered by the French scholar Braconno in 1811, and was extracted from the crustacean shell by Ogier (() dier) in 1823, and was named CHITIN, translated as chitin. Chitin is an organic resource that exists widely on the earth, light beige to white, soluble in concentrated hydrochloric acid, phosphoric acid, sulfuric acid, acetic acid, insoluble in alkali and other organic solvents, and also insoluble in water, so it is often called insoluble chitin. Chitin has the functions of anti-cancer, inhibition of cancer and tumor cell metastasis, improvement of human immunity, liver protection and detoxification, especially for diabetes, liver and kidney disease, high blood pressure, obesity, etc. It is beneficial to prevent cancer cell lesions and assist radiotherapy and chemotherapy to treat tu...

Claims

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Application Information

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IPC IPC(8): C08B37/08
Inventor 陈瑜
Owner SHANTOU TILLMAN TOY
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