Comparative Study of Antimicrobial Activity of Selected Medicinal Plants Against Some Selected Bacteria

Abstract- Nature provides medicinal agents, where active components often combine with inactive substances. In recent years, the antibiotic resistance of human pathogenic microorganisms has been increased; which led to search for new antimicrobial substances from medicinal plants. In the present study, the methanol and ethanol extracts of four medicinal plants were evaluated against some selected bacteria such as Staphylococcus aureus., Bacillus subtilis, Bacillus megaterium, Escherichia coli, Klebsiella pneumoniae., Pseudomonas fluorescence and proteus vulgaris. The agar well diffusion method was used to perform the invitro anti-microbial activity.  The measurements of zone of inhibition were taken and compared.  The ethanolic extract exhibited greater antimicrobial activity compared to methanolic extracts. Plant extracts with antimicrobial properties, have potential therapeutic uses.

Medicinal plants, Bacterial culture, ethanol and methanol extracts, antimicrobial activity.

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