ISSN: 0973-7510

E-ISSN: 2581-690X

S. Madhavan1 and K. Saritha2
1PG & Research Department of Microbiology, Sengamala Thayaar Educational Trust Women’s College, Mannargudi – 614 001, India.
2Department of Microbiology, Sri Venkateshwara College of Arts and Science, Peravurani – 614 804, India.
J Pure Appl Microbiol. 2008;2(2):579-582
© The Author(s). 2008
Received: 09/07/2008 | Accepted: 12/09/2008 | Published: 31/10/2008
Abstract

Antimicrobial activity of the leaf and root extracts of Indigofera tinctoria Linn., Wrightia tinctoria Br. and Rungia repens Nees. against human pathogenic bacteria and fungi were evaluated. The ethanol extracts of these plants were evaluated for antimicrobial activity against human pathogenic bacteria such as Escherichia coli, Pseudomonas aeruginosa, Proteus mirabilis and pathogenic fungi such as Aspergillus niger, Aspergillus flavus and Aspergillus fumigatus. Ethanolic leaf and root extracts were prepared and based on the susceptibility of the test organisms were determined. It was found that ethanolic extracts showed high inhibition zone than control experiments.

Keywords

Antimicrobial activity, medicinal plants, ethanol extract, human pathogens

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