Citation: Gui You CUI, Jun Yan LIU, Ren Xiang TAN. A New Antimicrobial Flavonol Glycoside from Alchornea davidii[J]. Chinese Chemical Letters, ;2003, 14(2): 179-180. shu

A New Antimicrobial Flavonol Glycoside from Alchornea davidii

Institute of Functional Biomolecules, School of Life Sciences, Nanjing University, Nanjing 210093

Received Date: 29 April 2002

Fund Project: This project is supported by the National Natural Science Foundation (No.39970083).

A new flavonol glycoside, isorhamnetin-3-O-β-D-xyloside, was isolated from the extract of leaves and twigs of Alchornea davidii (Euphorbiaceae).Its structure was established on the basis of the spectral analysis and chemical degradation.Antimicrobial assay showed that it moderately inhibited the growth of test bacteria (Staphylococcus aureus, Bacillus subtilis and Pseudomonas fluorescens) and fungi (Candida albicans, Aspergillus niger and Trichophyton rubrum) with MICs at 50 μg/Ml.
- Alchornea davidii,
- Euphorbiaceae,
- flavonol glycoside,
- antimicrobial activity
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