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Comparative study on antimicrobial activity of tulsi (Ocimum sanctum) and neem (Azadirachta indica) methanal extract

Ashok Kumar Nag* & Aparna Sinha
Post-Graduate Department of Botany, Dr. Shyma Prasad Mukherjee University, Ranchi, Jharkhand, India
Received : 18th January, 2021 ; Revised : 18th February, 2021

AbstractThis study was focussed on to compare the antimicrobial activity of methanolic leaf extracts of Tulsi and Neem. I chase Tulsi and Neem to compare their antimicrobial activity toward Gram Positive (Staphylococcus aureus) and Gramnegative (Escherichia coli) bacteria. Nutrient agar plates were inoculated with the above mentioned microorganisms by spreading bacterial inoculum on the surface of the media. Wells (6mm in diameter) were punched in the agar. The phytochemical extracts of Neem and Tulsi were allowed to diffuse into the medium and after incubation of 24h at 37oC, the zones of inhibition were observed. Statistical analysis showed that Tulsi was more effective toward E. coli.

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