METHOD OF OBTAINING EXTRACT FROM FAT-FREE FRUIT OF MILK THISTLE Russian patent published in 2009 - IPC A61K36/185 A61P1/16

Abstract RU 2354396 C1

FIELD: medicine.

SUBSTANCE: invention relates to chemical-pharmaceutical industry. Oilcake of milk thistle fruit is crushed and extracted with 80% ethanol with heating in two reactors, first water-alcohol extraction from each reactor is directed to following operation - evaporation, second and third water-alcohol extractions from each reactor are used for first and second extraction of fresh raw material in other reactor, to third raw material extraction 80% ethanol is fed to each reactor. Cube residue obtained after evaporation of first water-alcohol extraction from each reactor, is defatted with petroleum ether, after which it is mixed with 0.1% solution of hydrochloric acid, released flavolignans sum is filtered and dried.

EFFECT: invention allows to simplify and make cheaper the process, preserving output and quality of product to corresponding accepted norms.

5 cl, 1 ex, 2 tbl

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RU 2 354 396 C1

Authors

Antonova Ol'Ga Konstantinovna

Dates

2009-05-10—Published

2008-02-15—Filed