Triterpenoids and fatty acids identified in the edible mushroom Pleurotus sajor-caju

摘要

From the ethyl acetate extract obtained from the methanol extract of the mushroom Pleurotus sajor-caju, ten compounds conforming the triterpenic fraction were isolated by means of chromatographic techniques like CC and PTLC, and were identified by their MS as: Ergosta-2,5,7,9(11),22-pentaene, Ergosta-5,7,9(11),22-tetraen-3 beta-ol, Ergosta-5 alpha,8 alpha-epidioxy-6,22-dien-3 beta-ol (ergosteryl peroxide), Ergosta-5,7,22-trien-3 beta-ol (Ergosterol), Ergosta-7,22-dien-3 beta-ol, 19-Norergosta-5,7,9,22,tetraen-3 beta-ol (Neoergosterol), Ergosta-7-en-3 beta-ol, Ergosta-3 beta-5 alpha,6 beta-trihydroxy-7,22-diene (Cerevisterol), Ergosta-4,6,8(14),22-tetraen-3-one and Ergosta-4,6,15(16),22-tetraen-3-one. Likewise, three fatty acids were found and identified as palmitic acid, linoleic acid and stearic acid.