METHOD FOR PREPARING BIOLOGICALLY ACTIVE SUM OF TRITERPENE ACIDS Russian patent published in 2005 - IPC

Abstract RU 2255752 C1

FIELD: chemical technology.

SUBSTANCE: invention relates to a method for preparing biologically active sum of triterpene acids from fir wood greens. Method for preparing biologically active sum of triterpene acids from dried and milled fir wood green involves double extraction with organic solvent - isopropyl alcohol by infusion with raw in the definite conditions followed by treatment of extract with alkali agent an aqueous solution, acidification of an aqueous-alkaline extract and isolation the end product from its. Method provides effective enhancing the yield of biologically active sum of triterpene acids and to simplify the technological process.

EFFECT: improved method for preparing.

1 tbl, 4 ex

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RU 2 255 752 C1

Authors

Zhdanov I.E.

Molochkov N.P.

Kosygina I.A.

Dates

2005-07-10—Published

2003-12-29—Filed