PREPARATION OF 20- DOLLAR G(B)-D-PYRANOGLUCOSYL-PROTOPANAXADIOL BY ENZYMATIC HYDROLYSIS OF GINSENOSIDE

摘要

A process for preparing 20- beta -D-pyranoglucosyl-protopanaxadiol by enzymatic hydrolysis of ginsenoside, which comprises steps of hydrolysis, collection and is caracterized in glycosyl in the molecular of diol type of ginsenoside being site-directed excising by snail-enzyme to generate objective compound 20- beta -D-pyranoglucosyl-protopanaxadiol snail-enzyme used in the present invention is available conveniently and cheap. The process for preparing C-K is simple, convenient, low-cost, and high yield. it can satisfy the need of preparing anti-tumor drug.