PMID: 22557251Jul 1, 2007Paper

Preliminary phytochemical investigation and antibacterial activity of Phyllanthus amarus Schum & Thorn.

Ancient Science of Life
R DhandapaniAnandha Kumar

Abstract

The aqueous extract of Phyllanthus amarus Schum & Thorn, was selected for preliminary phytochemical and antibacterial activity against human pathogens. Minimum inhibitory concentration was performed by broth dilution method and the zone of inhibition was studied by agar disc diffusion method at concentrations of 10 and 20 mg/ml in DMSO (Dimethyl Sulfoxide). The results revealed the antimicrobial activity of extract against the the strains of microorganisms concentrations in ranges of 60 and 500 μg/ml. Aqueous extract of leaves and roots of Phyllanthus amarus exhibited significant antibacterial activity against eight test bacteria like Staphylococcus aureus, Bacillus subtilis, Staphylococcus albus, Streptococcus faecalis, Escherichia coli, Pseudomonas aeruginosa, Klebsiella pneumoniae and Proteus vulgaris. The plant under study revealed the presence of alkaloids, phytosterols, phenolic compounds and tannins, proteins and amino acids , lignins and saponins.

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