Natural Product Communications 2011-Nov

Amplexicine, an antioxidant flavan-3-ol from Polygonum amplexicaule.

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Mudasir A Tantry

Aziz A Rahman

ARTICLE: 22224270

BioSeek: 22224270

Keywords

Abstract

Bioassay guided fractionation of an ethanolic extract of Polygonum amplexicaule D. Don led to the isolation of amplexicine, a new flavan-3-ol (1), along with khellactone (2). The structure of the isolates was established by UV, IR, HRESI/MS and NMR, including 1D and 2D experiments. Compound 1 exhibited considerable antioxidant activity in a 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical-scavenging assay.

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Amplexicine, an antioxidant flavan-3-ol from Polygonum amplexicaule.

Keywords

khellactone

flavan 3 ol

diphenyl

bistorta

bistorta amplexicaulis

polygonum

antioxidant

Abstract

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