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2 178 301

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IPC

(21) (22)

Application

2000114525/14, 2000-06-06

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Start date

2000-06-06

(22)

Actual filing date

2000-06-06

(45)

Published

2002-01-20

(72)

Inventor

Nikolaeva G.G.Dargaeva T.D.Glyzin V.I.Tankhaeva L.M.Nikolaev S.M.Sambueva Z.G.Tsyrenzhapov A.V.

(73)

Holder

Institut Obshchej I Ehksperimental'Noj Biologii Sibirskogo Otdelenija Rossijskoj Akademii Nauk

METHOD TO OBTAIN GENTIACAULEINE OF CHOLATE-STIMULATING ACTION Russian patent published in 2002 - IPC

Abstract RU 2178301 C1

FIELD: medicine. SUBSTANCE: gentian is extracted by ethanol containing 1-2%-HCl at boiling. Extract is evaporated, the sum of xanthone aglycones is extracted by chloroform. Chloroform extract is chromatographed upon silica gel column and evaporated. Precipitated technical gentiacauleine is purified by methanol recrystallization. EFFECT: higher product output. 3 tbl

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RU 2 178 301 C1

Authors

Nikolaeva G.G.

Dargaeva T.D.

Glyzin V.I.

Tankhaeva L.M.

Nikolaev S.M.

Sambueva Z.G.

Tsyrenzhapov A.V.

Dates

2002-01-20—Published

2000-06-06—Filed