Method for extracting crude product of heparin sodium
An extraction method, the technology of heparin sodium, which is applied in the field of extraction of pharmaceutical products, can solve the problems of low intensification, raw material waste cost, and low heparin yield, and achieve the effects of saving human resources, reducing production costs, and high collection rate
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[0032] 1. Salt solution, alkalization and enzymatic hydrolysis
[0033] 1. Scrape the original intestine of the pig to remove the mixture of intestinal skin and mucous membrane, including the water contained therein.
[0034] 2Put the intestinal skin and mucous membrane mixture into the enzymatic hydrolysis tank, mix well and stir, and adjust the salinity to 3.0-5.0 with solid salt or brine. Use NaoH solution to adjust the pH value to 8.5-9.5, and confirm it with precision test paper.
[0035] 3 Slowly raise the temperature to 40-45°C, add 1.5-4.0g of alkaline protease per 6Kg of intestinal skin and mucous membrane mixture. Enzyme powder is dissolved in cold water and stirred into a paste in advance.
[0036] 4. Stir the reactants and heat up to 50-55°C. Insulate for 2-3 hours, and adjust its pH value to about 8.2-8.5.
[0037] 5 After the heat preservation is over, quickly raise the temperature of the tank to 80-90°C. Keep warm for ten minutes.
[0038] 2. Filtration an...
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