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In vitro antibacterial activity of chitosan from crab, Maydelliathelphusa masoniana (Henderson, 1893) against Staphylococcus aureus and Pseudomonas aeruginosa

Pulin Kerketta* & Suhasini Besra
University Department of Zoology, Ranchi University, Ranchi, Jharkhand, India
Received : 23rd December, 2020 ; Revised : 14th January, 2021

Abstract : In the present study, chitosan has been extracted from M.masoniana. Further the antibacterial activity of different concentrations (25%, 50%, 75%, 100%) of chitosan was tested against Gram-positive bacteria, Staphylococcus aureus (ATCC 6538) and Gram-negative bacteria, Pseudomonas aeruginosa (ATCC10145) by Agar Well Diffusion method. The result of the present study suggests that as the concentration of chitosan increased the antibacterial effect was strengthened against both bacterial strains indicating its possibility of using as drug.

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