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Antimicrobial activity in leaf extract of neem (Azadirachta indica Linn.) plant of Ranchi District, Jharkhand, India

Ishwari Prasad Gupta and Arapna Sinha
Post Graduate Department of Botany, Ranchi College Ranchi-834008
Received , 25th June, 2016; Revised: 19th August, 2016

Abstract : Antimicrobial activity in leaf extract of Azadirachta indica against, Staphylococcus aureus, Pseudomonas aeruginosa, Salmonella typhimurium, Antimicrobial activities of alcoholic extracts of Neem leaves were used. Varying concentration of each extracts 200 mg/ml, 150 mg/ml, 100 mg/ml, 50 mg/ml, 25 mg/ml prepared by using disc diffusion method. When compared with gentamycin 200 mg and gentamycin 10 m, the methanol and ethanol extracts shows maximum inhibition on Pseudomonas aeruginosa and Staphylococcus aureus in an ascending order.

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