Abstract

MICROBICIDAL POTENTIALS OF LEAF EXTRACTS OF ACROTREMA ARNOTTIANUM WIGHT. - AN ENDEMIC MEDICINAL HERB OF SOUTHERN WESTERN GHATS

V. S. Anil Kumar*, S. Anil Kumar and Greeshma R. B.

ABSTRACT

The microbicidal activities of ethyl acetate extracts of leaves of the endemic herb Acrotrema arnottianum has been carried out using disc diffusion assays. Five bacterial and two fungal strains were employed in the study. The bacterial strains employed were E. coli, Staphylococcus aureus, Klebsiella pneumoniae, Streptomyces aureus and Pseudomonas aeruginosa. The fungal strains were Candida albicans and Aspergillus niger. Concentrations ranging from 25, 50 and 100 μl were used with streptomycin as the control. The zone of inhibitions were analysed which showed a positive correlation with increasing concentration with maximum of 17 mm zone of inhibition against Pseudomonas bacterial strain and 10 mm against Aspergillus fungal strain.

Keywords: Acrotrema, Disc diffusion assay, Zone of inhibition.