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2 146 937

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IPC

(21) (22)

Application

97118177/14, 1997-10-30

(24)

Start date

1997-10-30

(22)

Actual filing date

1997-10-30

(45)

Published

2000-03-27

(72)

Inventor

Leventa A.I.Mirovich V.M.Fedoseeva G.M.Usov L.A.Fedoseev A.P.Nikolaev S.M.Nikolaeva G.G.

(73)

Holder

Irkutskij Gosudarstvennyj Meditsinskij Universitet

METHOD OF ISOLATION OF TOTAL SUM OF ACTIVE SUBSTANCES SHOWING TONIC AND STIMULATING AFFECT Russian patent published in 2000 - IPC

Abstract RU 2146937 C1

FIELD: medicine, pharmaceutical technology. SUBSTANCE: rose bay sprouts are treated with chloroform and extracted with 80% and 90% ethyl alcohol successively. Combined extract is evaporated on water bath up to 1/4 of initial volume and extracted with n-butanol. Then butanol is distilled off and dry residue is dissolved in water up to the ratio = 1:7. Method ensures to obtain the pure end product without any impurities. EFFECT: improved method of isolation. 4 tbl, 1 ex

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RU 2 146 937 C1

Authors

Leventa A.I.

Mirovich V.M.

Fedoseeva G.M.

Usov L.A.

Fedoseev A.P.

Nikolaev S.M.

Nikolaeva G.G.

Dates

2000-03-27—Published

1997-10-30—Filed

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