The roots of Viburnum erubescens belonging to the family Adoxaceae is collected from Nilgiri hills of Tamil Nadu and authentificated. Following a successive extraction and a primary organic analysis, it has been known to contain phenolic compounds as its principal phyto-constituents in their hydroalcoholic fraction. From 1 kg of the root extract, approximately 80 mg of astragalin and 40 mg of amentoflavone were isolated using a column chromatography and characterised by spectroscopy. By agar diffusion method a mixture of both the pure compounds were subjected against about four human pathogenic bacteria using gentamycin as the standard and the results were obtained in terms of MIC and ZOI which were concentration dependant. The study showed an antimicrobial activity either proximal or equal antibacterial activities. The current study may be useful to progress further investigation on the isolation of other phenolic compounds and their biological potential for the treatment of human ailments.
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