Method for preparing heparin sodium by combining enzymolysis and salt decomposition

The invention relates to a method for preparing heparin sodium by combining enzymolysis and salt decomposition, comprises the following steps: 1) dissociation: according to the weight ratio of 4-5:1 between water and chatterling mucosa, adding the water into the chatterling mucosa, and adding salt t...

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description The invention relates to a method for preparing heparin sodium by combining enzymolysis and salt decomposition, comprises the following steps: 1) dissociation: according to the weight ratio of 4-5:1 between water and chatterling mucosa, adding the water into the chatterling mucosa, and adding salt to adjust the solution salinity to be 5; adding alkali to adjust the pH value to be 9, and stirring and heating to 55 DEG C; carrying out heat preservation for 30min, and then adding alkali protease 2709 into a reaction tank according to the weight ratio of 2000-3000:1 between the chatterling mucosa and the alkali protease 2709; and carrying out heat preservation for 2h, heating to 85 DEG C and filtering; and 2) absorbing, eluting, precipitating, filtering and drying filtrate obtained in the step 1), and finally obtaining the heparin sodium. By adopting the technique combining enzymolysis and salt decomposition, the method leads heparin to be thoroughly dissociated from the chatterling mucosa, thus completing full e
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language chi ; eng
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subjects BEER
BIOCHEMISTRY
CHEMISTRY
COMPOSITIONS BASED THEREON
DERIVATIVES THEREOF
ENZYMOLOGY
METALLURGY
MICROBIOLOGY
MUTATION OR GENETIC ENGINEERING
ORGANIC MACROMOLECULAR COMPOUNDS
POLYSACCHARIDES
SPIRITS
THEIR PREPARATION OR CHEMICAL WORKING-UP
VINEGAR
WINE
title Method for preparing heparin sodium by combining enzymolysis and salt decomposition
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