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KMID : 0903520070500010057
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Journal of the Korean Society of Agricultural Chemistry and Biotechnology
2007 Volume.50 No. 1 p.57 ~ p.62
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Development of Biologically Active Compounds from Edible Plant Sources XVIII. Isolation of Derivatives of Ergosterol from the Fruit Body of Phellinus linteus
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Lyu Ha-Na
Yoo Jong-Su
Song Myoung-Chong
Lee Dae-Young
Kim Dong-Hyun
Rho Young-Duk
Kim In-Ho
Baek Nam-In
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Abstract
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The fruiting body of Phellinus linteus was extracted with 80% aqueous MeOH, and the concentrated extract was partitioned with EtOAc, n-BuOH and H2O. The repeated silica gel and ODS column chromatographies of the EtOAc fraction led to isolation of four sterols. From the result of spectral data including NMR, MS and IR, the chemical structures of the sterols were determined as ergosta-7,24(28)-dien-3β-ol (episterol, 1), 5α,8α-epidioxyergosta-6,9(11),22-trien-3β-ol (dehydroperoxyergosterol, 2), 5α,8α-epidioxyergosta-6,22-dien-3β-ol (ergosterol peroxide, 3), and 3β,5α-dihydroxy- 6β-methoxyergosta-7,22-diene (6-O-methylcerevisterol, 4). The ergosterols have been first isolated from this mushroom in this study.
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KEYWORD
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Phellinus linteus, ergosterol, episterol, dehydroperoxyergosterol, ergosterol peroxide, 6-O-methylcerevisterol
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