Abstract: One new oleanane type triterpene compound ( 3β-hydroxy-olean-5, 12-dien-28-oic acid) , named hypoglauterpenic acid ( I ) , and six known oleanane type triterpene compounds, triptotriterpenic acid A (H), wilforlide B (ffl), wilforlide A (IV), oleanolic acid acetate (V), oleanolic acid (VI) and 3-epikatonic acid, were isolated from the ethyl acetate soluble fraction of the alcohol extract of the root of Tripterygium hypoglaucum (Levl. ) Levl. ex Hutch by the means of column chromatography.

Key words: Tripterygium hypoglaucum