Abstract: A new ursane type triterpene compound, 3-oxo-22a-hydroxy- ursan-12-en-30-oic acid (30, 22a)-lactone named hypoglaulide (1), and two known compounds, triptotriterpenic acid C (H) and regelin (in), were isloated from the ethyl acetate soluble frac-tion of the alcohol extract of the root of Tripterygium hypoglaucum (Levl.) Levl. ex Hutch, by the means of column chromatography. Their structures were established on the basis of spec-tral and chemical methods.

Key words: Tripterygium hypoglaucum