Laboratory of New Drug Research Changchun Institute of Applied Chemistry Chinese Academy of Sciences Changchun 130022 P. R. China;
Department of Chemistry Changchun Normal College Changchun 130032 P. R. China;
China-Japan Union Hospital Jilin University Changchun 130032 P. R. China;
Supercritical fluid extraction (SFE); Saponins; Ginseng;