Phytochemical Analysis and Anti-bacterial activity in Stem Bark of Terminalia tomentosa Wight and Arn.

Author(s): V. Asha Krishna* and P. Sujathamma

Abstract: Phytochemicals are the chemical compounds of the plants which possess the medicinal role. Terminalia tomentosa tree is known to be a medicinal plant mainly its bark which is used since time immemorial. The aim of the study was intended to explore various phytoconstituents and bactericidal potential in stem bark of T.tomentosa. Different fractions of stem bark revealed the presence of bioactive constituents such as alkaloids, flavonoids, phenols, steroids, saponins, tannins, anthocyanins and lignins whereas indices and glycosides were barred in all the extracts. Anti-bacterial activity of aqueous, ethanol and methanol extracts of stem bark of T.tomentosa samples were studied with respect to pathogenic bacteria Staphylococcus aureus, Escherichia coli and Klebsella pneumoniae. Ethanolic fraction exhibited highest zone of inhibition on S.aureus and lowest was observed against in aqueous against K.pneumoniae. These results are suggestive for the global thrust areas for drugs as well as in industrial application.

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