J. Chao, Z. Yin, W. Ye
Jul 1, 2006
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Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica
Abstract
OBJECTIVE To investigate the chemical constituents from the branch of Broussonetia papyrifera. METHOD Column chromatographic methods were used to isolate the chemical constituents. ESI-MS and NMR methods were employed for their structural elucidation. RESULT Six compounds were isolated and identified as (2S)-7, 3'-dihydroxy-4'-methoxyflavan (1), ergosterol peroxide (2), D-galacitol (3), sulfuretin (4), liriodendrin (5), graveolone (6), respectively. CONCLUSION Compounds 1-6 were isolated from the plant for the first time.