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Comparative Screening of Selected Mangrove Plant Methanolic Extracts against Clinical and Plant Pathogens

Author(s): *Varahala Rao Vadlapudi, **Varaprasad Bobbarala and *K. Chandrasekhar Naidu

Journal: Journal of Pharmacy Research
ISSN 0974-6943

Volume: 2;
Issue: 6;
Start page: 1062;
Date: 2009;
Original page

Keywords: Antibacterial activity | Agar well diffusion | Sesuvium portulacastrum | Zone of inhibition.

Antimicrobial effect of the crude methanol extracts of mangrove plants Tamarix aphylla, Sesuvium portulacastrum and Xylocarpus granatum. The antimicrobial activity was determined in methanol extracts using agar well diffusion method by measuring the diameter of the zone of inhibition in term of millimeter. Screening revealed that the crude methanol extract of the studied mangrove extracts possess antimicrobial activity against most of the test organisms depending upon the nature of their active ingredients in the extract and capacity of diffusion into the agar medium. Among the test organisms, the extract showed significant antimicrobial activity against Acremonium strictum Asperigillus niger, Candida albicans Erwinia carotovara, Fusarium oxysporum, Pseudomaonas marginales, Ustilago maydis, and no activity against Pseudomaonas marginales with S. portulacastrum.
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