STUDIES ON CHEMICAL CONSTITUENTS OF THE ROOT OF THE CHINESE MEDICAL DRUG PODOPHYLLUM EMODI VAR. CHINENSIS SPRAGUE

Seven crystalline substances were isolated from the alcohol extract of the Chinese drug Podophyllum emodi var. chinensis Sprague. Four of them were identified as desoxypodophyllotoxin, podophyllotoxin, picropodophyllin and dehydropodophyllotoxin. The seventh was a glucoside. The other two compounds has higher melting points than the known ligan lacton compounds of podophyllum.