Abstract
Phytochemical investigation of the culture of Epicoccum nigrum,an endolichenic fungus inhabiting Leptogium masiaticum,led to the isolation of 11 compounds. Based on NMR spectroscopy and HRESIMS data,their structures were determined as one alkaloid fusaricide( 1),and seven benzofuran derivatives including epicoccone( 2),4,6-dihydroxy-5-methoxy-7-methyl-1,3-dihydro isobenzofuran( 3),5-methyl-epicoccone B( 4),3,6,7-trihydroxy-5-methoxy-4-methylisobenzo furan-1( 3 H)-one( 5),3-methoxyepicoccone B( 6),2,3,4-trihydroxy-6-( hydroxymethyl)-5-methylbenzyl-alcohol( 7),and isoochracinic acid( 8),together with three epicoccolide analogs epicocconigrones A( 9),epicoccolide B( 10),and epicocconigrones B( 11). Compounds 1,9 and 10 showed potent microorganism inhibitory effects. These results indicated the potential perspective of this endophytic fungus as an eco-friendly biocide.
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Schedule a callMore From: Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica
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