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Dehydrocholic Acid

Dehydrocholic Acid

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  Process for preparation of cholic acid:

  With taurocholate and glycocholate bile paste together with sodium hydroxide solution to boil, hydrolysis acidification to pH3, 16h, gray and brown lumps will filter out into the boiling hot water 10min, cooling, filtering, washing, draining and drying in 60-70 degree, to cholic acid. The input of cholic acid acetic acid and sodium acetate solution, chlorine is fed into the 10-20 C, until all white solid precipitation, with a large amount of distilled water in washing, filtering, drying, was dehydrocholate crude, refined by ethanol yield.

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