Article
Cytotoxic Steroids from<i>Polyporus umbellatus</i>
10 May 2010
Abstract excerpt
The steroids ergone (1), (22E, 24R)-ergosta-7,22-dien-3β-ol (2), 5α,8α-epidioxy-(22E,24R) -ergosta-6,22-dien-3β-ol (3), ergosta-6,22-dien-3β,5α,6β-triol (4), and polyporusterone B (5) were isolated from Polyporus umbellatus by bioassay-guided approach. They showed potent anticancer activity against HepG2 cells. Ergone displayed remarkable anticancer activity against HepG2, Hep-2, and Hela cancer cells, of which...
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