Inoscavin E, a Free Radical Scavenger from the Fruiting Bodies of Inonotus xeranticus


A new free radical scavenger named inoscavin E was isolated from the fruiting bodies of Inonotus xeranticus. Its structure was determined as 2-(3,4-dihydroxyphenyl)-6-[(1E)-2-(3,4-dihydroxyphenyl)ethenyl]-4H-furo[3,2-c]pyran-4-one on the basis of spectroscopic analysis. Inoscavin E exhibited significant scavenging activity against the superoxide radical anion and ABTS radical cation.


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