Studies on the triterpenoid constituents of the spores from Ganoderma lucidum karst

Chen, R.Y.; Yu, D.Q.

Yao Xue Xue Bao 26(4): 267-273

1991


ISSN/ISBN: 0513-4870
PMID: 1957672
Document Number: 373180
Five compounds were isolated from the ether soluble fraction of the spores of Ganoderma lucidum. On the basis of their chemical properties and spectral data (MS, UV, IR, 1H and 13CNMR), they were identified as 3,7,11,12,15,23-hexaoxo-5.alpha.-lanosta-8-en-26-oic-acid (I), 3.beta.,7.beta.-dihydroxy-11,15,23-trioxo-5.alpha.-lanosta-8-en-26-oic acid (II), 7.beta.-hydroxy-3,11,15,23-tetraoxo-5.alpha.-lanosta-8-en-26-oic acid (III), 3,7,11,15,23-pentaoxo-5.alpha.-lanosta-8-en-26-oic acid (IV), 24,25,26-trihydroxy-5.alpha.-lanosta-7,9(11)-dien-3-one (V), Compound I is a new natural product, named ganosporeric acid A. Compounds II, III, IV and V were obtained for the first time from the spores of Ganoderma lucidum.

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