Characterization and composition of sterols in the free and esterified sterol fractions ofAspergillus oryzae |
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| Authors: | Yasuhiko Fujino Masao Ohnishi |
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| Affiliation: | (1) Department of Agricultural Chemistry, Obihiro University, Obihiro, Hokkaido, Japan |
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| Abstract: | Free and esterified sterol fractions were isolated fromAspergillus oryzae, and their components analyzed mainly by gas chromatography-mass spectrometry. Cholesterol, brassicasterol, episterol (5α-ergosta-7,2428]-dien-3β-ol),
4α-methyl-5α-ergosta-89],2428]-dien-3β-ol, lanosterol and 24-methylene-24-dihydrolanosterol were well characterized, whereas
5-dihydroergosterol, sitosterol and 2428]-dehydroergosterol were tentatively characterized. The principal sterol of the free
sterol fraction was brassicasterol, and that of the esterified sterol fraction was episterol. Ergosterol, which is reported
to be widely distributed in the fungi kingdom, was not detected. |
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