abstract New mellein derivative; 4-methylmellein (1) along with five known compounds: 4-hydroxymellein (2) and 6-hydroxymellein (3), tyrosol (4), cervesterol (5), and stigmast-4-ene-3-one (6) were isolated from the ethyl acetate extract of the endophytic fungus Penicillium sp. isolated from the leaf of Senecio flavus (Asteraceae). Structures were established by 1D and 2D NMR, in addition to UV, IR and MS spectrometry. ...
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