Process for producing catechins

Details Process for producing catechins Process for producing catechins

1979-12-13

1981-02-03

Chan, Nicky

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07D31162

Patent

active

042487897

ABSTRACT:
A process for producing catechins from tannic substance which has been extracted from tea leaves. An aqueous solution of the extract is admixed with an aqueous solution of caffeine to form a liquid-containing mixture of free catechins and a precipitated mixture of ester-type catechins. The caffeine is then removed from the aforesaid mixtures, and the respective mixtures fractionated to obtain epicatechin, epigallocatechin, epicatechin gallate, and epigallocatechin gallate.

REFERENCES:
patent: 4166861 (1979-09-01), Bonati et al.

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