Full Length Research Paper
Abstract
Phytochemical studies on Rhus natalensis root bark collected from Kenya led to the isolation and identification of a new biflavonoid (3-(1-(2,4-dihydroxyphenyl)-3,3-bis(4-hydroxyphenyl)-1-oxopropan-2-yl)-7-methoxy-4H-chromone-4-one (1), named rhuschromone, in addition to two other known compounds; 2’,4’-dihydroxychalcone-(4-O-5’’’)-4’’,2’’’,4’’’-trihydroxychalcone (2) and 3-((Z)-heptadec-13-enyl) benzene-1,2-diol (3). The chemical structures of the isolated compounds were established using spectroscopic techniques including high field nuclear magnetic resonance (NMR). The total extracts and the isolated compounds were tested for their antimicrobial activities against different strains of bacteria.
Key words: Rhus natalensis, rhuschromone, anti-bacterial activity, isoflavones.
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