Method for extracting human chorionic gonadotropin (HCG)
A chorionic gonadotropic and alkaline technology, which is applied in the field of chemical drug extraction technology, can solve the problems of cumbersome process steps, low yield, and large amount of manual operation
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[0008] Embodiments of the present invention, the steps are: extract from the urine of pregnant women, add 20% sodium hydroxide to the urine of pregnant women, adjust the pH of the urine of pregnant women to 10.0-10.5, filter through filter paper, and obtain by ultrafiltration with an ultrafiltration machine Concentrate the urine, then add an organic solvent with a content of 95% ethanol, let it stand for 10-16 hours to obtain a precipitate, and dry the precipitate for 8 hours at a temperature of 22-28°C to obtain human chorion gonadotropins.
[0009] In the production of human chorionic gonadotropin in our company, the benzoic acid adsorption method was used before, and only about 40 grams of human chorionic gonadotropin could be extracted per 100 kilograms of pregnant women’s urine. Now about 60 grams of human chorionic gonadotropin can be extracted from every 100 kilograms of pregnant women's urine, thus increasing the yield.
[0010] The present invention has the following...
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