Synergistic antibacterial effects of three edible plants extract against antibiotic-associated diarrheagenic resistant bacteria

bacteria

Md. Abu Sayeed, Mohammad Abdul Mannan, Md. Mostafizur Rahman, M. Sarwar Parvez, Mohammad Firoz Alam

Keywords: Synergistic effect, AAD resistant bacteria, MIC and MBC.

Abstract:

In vitro synergistic antibacterial effects among Alocasia macrorrhizos rhizome, Amorphophallus paeoniifolius corm and Colocasia esculenta corm extracts were tested against six resistant bacteria viz., Yersinia enterocolitica, Escherichia coli, Klebsiella pneumoniae, Pseudomonas aeruginosa, Clostridium difficile and Staphylococcus aureus. The inhibition zone was compared with the commercially available antibiotic (tetracycline). High inhibitory activity was observed against E. coli (12.670.33 mm) and S. aureus (12.500.29 mm) for methanol extract at 800 mgml-1 of concentration. MIC and MBC of the extracts ranged from 200-580 mgml-1 and 250-650 mgml-1 respectively. The lowest MIC and MBC of the extracts were measured against E. coli.

Full Article Available: Volume 2, Number 3, July 2014 – IJMM

International Journal of Microbiology and Mycology (IJMM)

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