METHOD FOR EXTRACTION AND PURIFICATION OF CARTILAGE-TYPE PROTEOGLYCAN (VARIANTS) Russian patent published in 2006 - IPC A61K35/60 A61K35/32 

Abstract RU 2270023 C2

FIELD: biotechnology.

SUBSTANCE: claimed method includes utilization of acetic acid as cartilage eluating solvent. According the second embodiment method includes additional filtration of solution containing crude proteoglycan to remove precipitate from said solution. Then filtered solution is centrifuged, ethanol saturated with sodium chloride is added to obtained supernatant, and supernatant is centrifuged to concentrate abovementioned crude proteoglycan in precipitate. According the third embodiment method additionally includes dissolution of said precipitate with acetic acid. Proteoglycan obtained by method of present invention may bi administered perorally.

EFFECT: simplified and environmentally friendly method for proteoglycan production.

3 cl, 3 dwg, 1 ex, 2 tbl

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RU 2 270 023 C2

Authors

Takagaki Kejiti

Dates

2006-02-20Published

2002-02-20Filed