Kangyuan is a private pharmaceutical enterprise group with 32 years of
entrepreneurial history, integrating scientific research, production and sales,
from initial raw materials to high-quality raw materials to preparations, and a
complete industrial chain from China to the world.
There are many types of products. Today we introduce: Urofollitropin
extraction process
Organic solvent is ethanol or acetone and its concrete steps are:
(1) adjust ffl value: adjust the pH value of raw material to 8.0～9.0 with
20 F. sodium hydroxide; (2) filter, ultrafiltration concentrate: after adjusting
pH value, add 1% diatomaceous earth in urine Filtrate, pour the filtrate into an
ultrafiltration tank, and concentrate by ultrafiltration through a 10,000
molecular weight ultrafiltration membrane;
(3) Organic solvent precipitation: under stirring, first add 10% ammonium
acetate and organic solvent to the concentrated solution to make the
concentration of the organic solvent reach 70-75%, filter, collect the clear
liquid, and then add the organic solvent to the solution, Make the concentration
of the organic solvent reach 80-85%, stir evenly and then let it settle for 3-5
hours, collect the precipitate by filtration, wash with the organic solvent 2-3
times, dehydrate and dry to obtain the crude follicle-stimulating hormone.
Above-mentioned organic solvent is ethanol or acetone.
The above is the relevant content summarized by the editor of Kangyuan
Company. If you want to know more, please continue to pay attention to us. We
will regularly update you about Human chorionic gonadotropin, Human Menopausal
Gonadotropin supplier, Urofollitropin price, Urokinase manufacturer, Hormone API
Manufacturer Related content, hope to help you.