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2 209 063

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IPC

(21) (22)

Application

2002103533/14, 2002-02-08

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Start date

2002-02-08

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Actual filing date

2002-02-08

(45)

Published

2003-07-27

(72)

Inventor

Kurkin V.A.Lebedev A.A.Zapesochnaja G.G.Avdeeva E.V.Volotsueva A.V.Bulatova M.V.Batakov E.A.Lebedeva E.A.Lebedev P.A.

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Holder

Kurkin Vladimir AleksandrovichLebedev Aleksej Aleksandrovich

METHOD FOR OBTAINING SUBSTANCE OF ANTIOXIDANT ACTION Russian patent published in 2003 - IPC

Abstract RU 2209063 C1

FIELD: chemical- pharmaceutical industry. SUBSTANCE: for extracting fruits of milk thistle one should apply 80%-ethanol at the ratio of raw material to extragent being 1:9-1:10. At successive chromatographic division of extractive substances upon polyamide and silica gel by using graduent elutriator mixture as water-ethanol and chloroform-ethanol, correspondingly at the following ratios: 100:0; 98:2; 97:3; 95:5; 93:7 one should obtain target product after crystallization is over. EFFECT: increased output of target product. 1 tbl

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RU 2 209 063 C1

Authors

Kurkin V.A.

Lebedev A.A.

Zapesochnaja G.G.

Avdeeva E.V.

Volotsueva A.V.

Bulatova M.V.

Batakov E.A.

Lebedeva E.A.

Lebedev P.A.

Dates

2003-07-27—Published

2002-02-08—Filed