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. 1996 Mar;41(4):1041-6.
doi: 10.1016/0031-9422(95)00762-8.

Antimicrobial steroids from the fungus Fomitopsis pinicola

A C Keller  1 , M P Maillard, K Hostettmann
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Antimicrobial steroids from the fungus Fomitopsis pinicola

A C Keller et al. Phytochemistry. 1996 Mar.

Abstract

Phytochemical examination of the dichloromethane extract of the European fungus Fomitopsis pinicola led to the isolation of a new lanostanoid derivative identified from spectral and chemical evidences as 3 alpha-(4-carboxymethyl-3-hydroxy-3-methylbutanoyloxy)-lanosta++ +-8,24-dien-21-oic acid. In addition, seven known triterpenes, polyporenic acid C, 3 alpha-acetyloxylanosta-8,24-dien-21-oic acid, ergosta-7,22-dien-3 beta-ol,21-hydroxylanosta-8,24-dien-3-one, pinicolic acid A, trametenolic acid B and pachymic acid, were also isolated. Antimicrobial activity against Bacillus subtilis in a TLC bioassay was observed for five of the isolated steroids.

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