Process for obtaining procyanidol oligomers from plants by extra

Details Process for obtaining procyanidol oligomers from plants by extra Process for obtaining procyanidol oligomers from plants by extra

1995-10-05

1998-09-08

Knode, Marian C.

Drug, bio-affecting and body treating compositions

Antigen, epitope, or other immunospecific immunoeffector

Conjugate or complex

210650, A01N 6500, A61K 3578, A61K 39385, B01D 6100

Patent

active

058041923

ABSTRACT:
The invention relates to a process for obtaining procyanidol oligomers according to which:
an appropriate plant is treated by means of an extractive mixture composed of water, of a water-miscible organic solvent capable of dissolving the procyanidol oligomers and of sodium chloride,
the crude mixture of procyanidol oligomers obtained is purified by removal of the extractive mixture and extraction of the residue, the extractive mixture optionally being recycled in the stage of treatment of the plant,
the procyanidol oligomers are recovered in a pure form by precipitation.

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