V. Chobot et al., ERGOSTA-4,6,8,22-TETRAEN-3-ONE FROM THE EDIBLE FUNGUS, PLEUROTUS-OSTREATUS (OYSTER FUNGUS), Phytochemistry, 45(8), 1997, pp. 1669-1671
From extracts of the dried oyster fungus, Pleurotus ostreatus, three s
teroidal fractions were obtained. The major fraction was proved to;be
ergosterol and the second a mixture:of two fatty;acid esters of ergost
erol which could not be fully resolved. The minor fraction contained e
rgosta-4,6,8,22-tetraen-3-one, which has not been recorded previously.
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