| 摘要 |
NEW MATERIAL:A compound shown by the formula [R1 is beta-D-glucuronopyranosyl, beta-D-xylopyranosyl(1 2)-beta-D-glucuronopyranosyl, or beta-D-xylopyranosyl (1 2)-beta-D(6-O-n-butyl or methyl)glucuronopyranosyl; R2 is H, or beta-D-glucopyranosyl]. USE:An antitumor agent. PREPARATION:Root of Pfaffia paniculata Kuntze is ground, extracted with water or an alcohol, concentrated, its fraction soluble in butanol is purified by column chromatography using active carbon or silica gel, to give a compound shown by the formula.
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