Verfahren zur Herstellung von Pyrokatechinkomplexen.

摘要

According to the invention green tea leaves are infused in water, the extract is concentrated to a liqueur consistency, this liqueur is extracted with dichloromethane to remove the pigments, the aqueous phase is mixed with purified sea sand to form a paste, the catechin complexes are eluted with acetone and the acetone is evaporated off to obtain a powder.