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Antimicrobial Activity of Some Selected Vegetables

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Author(s): AKHILESH DUBEY | NEERAJ MISHRA | RAHUL UPADHYAY

Journal: International Journal of Biological Sciences and Engineering
ISSN 0976-1519

Volume: 01;
Issue: 03;
Start page: 152;
Date: 2010;
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Keywords: Antimicrobial activity | aqueous extract | methanolic extract | Spinacea oleracea | Amorphophalus campanulatus | Colocasia esculenta | Cucrbita pepo

ABSTRACT
The aqueous and methanolic extracts of spinach (Spinacea oleracia), pumpkin (cucurbita pepo), suran (Amorphophalus campanulatus) and ghuiya (Colocasia esculenta) were evaluated for antimicrobial activity against bacterial strains (Bacillus cereus, Bacillus subtilis, Escherichia coli, Enterobacter aerogenes, Enterobacter agglomerans, Salmonella enteritidis, Salmonella cholerasius, Staphylococcus aureus, Pseudomonas aeruginosa, Candida albicans, Penicillium chrysogenum, Enterobacter faecalis, Klebsiella pneumonia, B.sphericus, B.thruengenesis and Cryptococcus meningitis). The in vitro antimicrobial activity was performed by Agar well diffusion method on Nutrient Agar medium and Muller Hinton Agar medium. The methanolic extracts of all the vegetables showed moderate to high activity against all the investigated microbial strains. Methanolic extract of spinach was most effective among all extracts (32mm inhibition zone against E. coli). Methanolic extracts were more effective than their aqueous extracts.
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