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2 076 727

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C1

(51)

IPC

(21) (22)

Application

93028222/14, 1993-06-02

(22)

Actual filing date

1993-06-02

(45)

Published

1997-04-10

(72)

Inventor

Lubsandorzhieva P.B.Tsyrenzhapova O.D.-D.Nikolaev S.M.Nikolaeva G.G.

(73)

Holder

Burjatskij Institut Biologii So Ran

METHOD OF PREPARING EXTRACTIVE SUBSTANCE SUM SHOWING ADAPTOGENIC ACTIVITY Russian patent published in 1997 - IPC

Abstract RU 2076727 C1

FIELD: medicine, phytotherapy agents. SUBSTANCE: invention relates to preparing wintered-off dried milled black leaves of Bergenia crassifolia by extraction with 55-65% ethanol at the ratio raw : extract = 1:(10-11) for 72 h, three-fold. The combined extracts were evaporated for alcohol removing, an aqueous residue is condensed to 1.0 l and dried in vacuum-drying apparatus at 70-85 C and under pressure 1 atm. The prepared sum of extractive matters exhibits the dark-brown powder. EFFECT: improved method of preparing. 9 tbl

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RU 2 076 727 C1

Authors

Lubsandorzhieva P.B.

Tsyrenzhapova O.D.-D.

Nikolaev S.M.

Nikolaeva G.G.

Dates

1997-04-10—Published

1993-06-02—Filed

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