The Biobrio 12(1 & 2), 2025

Antimicrobial activity of blue-green algae, Oscillatoria limnosa collected from chours of Saharsa district

Rupak Kumari

ABSTRACT:

To access the antimicrobial activity of Oscillatoria limnosa, its extract were prepared in water, ethyl acetate and hexane and tested against three pathogenic bacteria: E. coli, Klebsiella pneumonae and Staphylococcus aureus by disc diffusion method. Maximum inhibition was recorded in ethyl acetate extract followed by hexane extract. Further Staphylococcus showed maximum inhibition in all extracts and E. coli showed minimum inhibition

Keywords:    

Extract, E. coli, Klebsiella pneumonae, Staphylococcus, antimicrobial activity.

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