FIELD: medicine; pharmaceutical industry; perfumery-cosmetic industry; methods production of betulin.
SUBSTANCE: the invention is pertaining to the method of extraction of betulin from the wastes products of wood-processing, in particular, a birch bark processing and may be used in medicine, pharmaceutical and perfumery-cosmetic industries. The method provides for activation of a birch bark by the shock-acoustic impulses, an alkaline hydrolysis and an extraction of betulin by an alcohol. The operations are conducted simultaneously. The technical result of the invention is simplification of the method of the process, reduction of its duration and power input.
EFFECT: the invention ensures simplification of the method of the process, reduction of its duration and power input.
1 cl, 2 ex
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Authors
Dates
2005-11-20—Published
2004-07-23—Filed