C - Chemistry – Metallurgy – 08 – B
Patent
C - Chemistry, Metallurgy
08
B
C08B 37/00 (2006.01) A61K 35/32 (2006.01) A61K 38/17 (2006.01) C07K 1/14 (2006.01) C07K 14/78 (2006.01)
Patent
CA 2372744
Disclosed is a new method for extraction and purification of cartilage type proteoglycan, in which an acid is used as an eluting solvent of cartilage. To obtain proteoglycan, the method may for example comprise extracting crude proteoglycan using acetic acid as an eluting solvent of cartilage; filtrating a solution containing the crude proteoglycan to remove dregs from the solution; centrifuging the solution obtained by the filtrating; adding ethanol saturated with sodium chloride to a supernatant liquid obtained by the centrifuging; and then centrifuging the supernatant liquid to which the ethanol saturated with sodium chloride has been added, to concentrate the crude proteoglycan as a precipitate. The proteoglycan may be used in food, medicine, cosmetics and so on.
Kakuhiro Co. Ltd
Smart & Biggar
Takagaki Keiichi
LandOfFree
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