| 摘要 |
Process for obtaining catechin complexes According to the invention, leaves of green tea are infused in water, the extract is concentrated to the consistency of a liquor, the liquor is extracted with dichloromethane to eliminate 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 to obtain a powder. |
