Process for the recovery of .beta.-sitosterol

Details Process for the recovery of .beta.-sitosterol Process for the recovery of .beta.-sitosterol

C - Chemistry, Metallurgy

07

J

260/61

C07J 9/00 (2006.01)

Patent

CA 1127631

ABSTRACT OF THE DISCLOSURE A process is provided for the isolation of technical grade .beta.-sito- sterol from the mixture of sterols in unsaponifiables obtained from crude soap skimmings. The unsaponifiables, usually called the neutral fraction, are dissolved in acetone, filtrated with active carbon, the acetone filtrate is concentrated, ethanol is added and, after cooling, the precipitated .beta.- sitosterol is centrifuged or filtered from the mixture. This process is in- expensive and simple and gives a product of high quality. The betulin, which usually accompanies the .beta.-sitosterol in the purification processes and which is a toxic agent, is substantially completely removed.

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