Glucosamine sulfate production method

A technology of glucosamine sulfate and production method, applied in amino sugar, sugar derivatives, sugar derivatives and other directions, can solve problems such as environmental pollution, complex production process of glucosamine sulfate, etc., and achieve the effects of simple process and less three wastes

Inactive Publication Date: 2014-01-15
GAOYOU MINGZENG BIOLOGICAL PROD CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing production process of glucosamine sulfate is rel

Method used

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Examples

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Embodiment Construction

[0011] A production method of glucosamine sulfate, comprising the following steps:

[0012] (1) Put 50g of chitin and 300g of sulfuric acid with a concentration of 70% into a reaction kettle at a temperature of 90-100°C for 4 hours to obtain an acidolysis solution;

[0013] (2) Add 5 g of activated carbon to the acid solution obtained above for decolorization, and then add 10 times the volume of absolute ethanol for extraction;

[0014] (3) Add water to dissolve the above-mentioned extract, and then concentrate and crystallize;

[0015] (4) putting the above-mentioned obtained crystals into a calcium hydroxide solution with a concentration of 10% to remove excess sulfuric acid;

[0016] (5) The solution obtained above is freeze-dried at a temperature of -50°C to finally obtain pure glucosamine sulfate.

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PUM

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Abstract

The invention relates to a glucosamine sulfate production method. According to the invention, chitin is subjected to sulfuric acid acidolysis; the acidolysis liquid is subjected to discoloring, extracting, and re-crystallizing; sulfuric acid is removed through calcium hydroxide precipitation; and lyophilization is carried out, such that pure glucosamine sulfate is obtained. The production method has the advantages of simple process and low three-waste. The product does not contain metal ion and chloride ion. The process flow is clean.

Description

technical field [0001] The invention relates to a production method of glucosamine sulfate. Background technique [0002] Glucosamine sulfate has auxiliary therapeutic effects on rheumatoid arthritis, heart disease, pneumonia and fractures, and can improve joint activities and relieve pain. The existing production process of glucosamine sulfate is relatively complicated and causes serious environmental pollution. Contents of the invention [0003] The present invention aims at above-mentioned defect, and purpose is to provide a kind of production method of glucosamine sulfate with simple technique, few wastes, no metal ion and chloride ion in the product, and clean and hygienic process. [0004] The technical scheme that the present invention adopts for this reason is: the present invention comprises the following steps: [0005] (1) Put 50g of chitin and 300g of sulfuric acid with a concentration of 70% into a reaction kettle at a temperature of 90-100°C for 4 hours to ...

Claims

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Application Information

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IPC IPC(8): C07H5/06C07H1/00
Inventor 施晓文师明吴梅银师林奎
Owner GAOYOU MINGZENG BIOLOGICAL PROD CO LTD
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