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摘要
A new compound 3-acetyloxy-epicycloeucalenol-24-one (1), with 11 known compounds 3-acetyloxy-4,14-dimethyl-9,19-cycloergost-24-oic acid (2), 3-epicycloeucalenol (3), 3-epicycloeucalenyl-24-one (4), 3-epicycloeucalenyl acetate (5), 4,14-dimethyl-5-ergosta-9,19-cyclo-24(31)-en-3-hydroxy-4-carboxylic acid (6), cycloeucalenone (7), friedelin (8), epifriedelanol (9), lup-20 (29)-en-3,30-diol (10), betulin (11), lupeol (12), was isolated from the stems and leaves of Quercus variabilis Blume. Seven compounds (1-7) showed anti-inflammatory activity.
