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Title 

Highly oxygenated and unsaturated metabolites providing a diversity of hispidin class antioxidants in the medicinal mushrooms Inonotus and Phellinus

Authors 

In-Kyoung LeeBong Sik Yun

Publisher 

Elsevier

Issue Date 

2007

Citation 

Bioorganic & Medicinal Chemistry, vol. 15, no. 10, pp. 3309-3314

Keywords 

antioxidant activityantioxidantschemical structureinterfunginsmedicinal mushroom1,1 diphenyl 2 picrylhydrazyl2,2' azinobis(3 ethylbenzothiazoline 6 sulfonate)3,4 dihydroxybenzalacetonealpha tocopherol

Abstract 

Three new highly oxygenated and unsaturated metabolites named interfungins A (1), B (2), and C (3), which provide a diversity of hispidin class compounds in the fungi Inonotus and Phellinus, were isolated from the methanolic extract of the fruiting body of the fungus Inonotus xeranticus (Hymenochaetaceae). Their structures were established by spectroscopic methods. The existence of these functionalized metabolites implies that inoscavin A, davallialactone, and phelligridin F, which were previously isolated from the fungi Inonotus and Phellinus spp., are derived from 1. Compound 1 is derived from the condensation of hispidin and hispolon. Inoscavins B and C previously isolated from the fungus I. xeranticus are most probably derived from 2 which stemmed from the oxidative coupling of 3,4-dihydroxybenzalacetone and hispidin. This class of compounds exhibited significant free radical scavenging activity against the superoxide radical cation, ABTS radical anion, and DPPH radical.

ISSN 

0968-0896

Link 

http://dx.doi.org/10.1016/j.bmc.2007.03.039

Appears in Collections

1. Journal Articles > Journal Articles

Registered Date

2019-05-02


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