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ZoP Comparison of the Potency of Talisay Leaf Extract as an Inhibitor of Luminous Vibrio Harvyi. of Prawn with Commercial Antibiotic

autorzy: Erika Clarisse Malaca : Inventor Debbie Mae Kristine Joseph : Research Adviser/ Coach

This study was conducted to determine the potency of Talisay Leaf Extract against luminous Vibrio Harvyi, an aquamarine bacterial pathogen to commercial antibiotics. The commercial antibiotic were Ciprofloxacin HCl, Streptomycin Sulfate and Amoxicillin Trihydrate. Sterile 6 mm Whatman #2 filter paper – dics were impregnated with antibiotic. And with the 1: 3 crude extract by dipping them in varying concentration of antibiotics. Solution in the crude extract. The paper – disc were subsequently loaded in agar plates were swabbed with Vibrio Harvyi USTCMS -1069. The test results showed that the extract was comparable with commercial available antibiotic. This was clearly shown by small paper – disc impregnated with 0.015 mL. of the 1: 3 Talisay Extract equal to CiprofloxacinHCl and 28 μg. Streptomycin Sulfate when assayed against Vibrio Harvyi. Whereas no zone inhibition was observed for Amoxicillin Trihydrate.