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Antimicrobial activity of Neem, Clove, Curry leaves, Cardamom, Tulsi stem and Tulsi leaves

Author Affiliations

  • 1Department of Biotechnology, Govt. Holkar Science College, Indore, MP, INDIA

Int. Res. J. Biological Sci., Volume 5, Issue (1), Pages 42-46, January,10 (2016)


Antimicrobial activity refers to the ability of a substance to reduce or inhibit the growth of microorganisms. Different substances have different extent of antimicrobial activity. The present study deals with the antimicrobial activity of different samples like neem, clove, curry leaves, cardamom, tulsi stem and tulsi leaves. The antimicrobial activity of these samples has been determined against Escherichia coli and Aspergillus and Rhizopus species of fungi. In this work, the Escherichia coli was cultured on nutrient agar plates and fungi was cultured on Potato Dextrose Agar plates. The aqueous and ethanolic extracts of samples were prepared and introduced in these culture plates by ditch method and disc method. The zone of inhibition was observed and measured in each case after incubation of 24 and 48 hours.


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