Antibacterial activity of some salt marsh halophytes and mangrove plants against methicillin resistant Staphylococcus aureus |
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Authors: | Chandrasekaran M Kannathasan K Venkatesalu V Prabhakar K |
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Institution: | (1) Department of Botany, Annamalai University, Annamalainagar, Tamilnadu, 608002, India;(2) Department of Clinical Microbiology, Rajah Muthiah Medical College and Hospital, Annamalai University, Annamalainagar, Tamilnadu, 608002, India |
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Abstract: | The antibacterial activity of aqueous and methanol extracts of leaves/shoots of five salt marsh halophytes and six mangroves
was studied against methicillin resistant, clinical isolates of Staphylococcus aureus. There was a clear comparability between the salt marsh halophytes and mangroves in their antibacterial action. The mangrove
plants possessed higher antibacterial potency than the salt marsh halophytes. The highest activity was recorded with the methanol
extract of Excoecaria agallocha followed by the methanol extracts of Aegiceras corniculatum, Lumnitzera racemosa and Ceriops decandra. The minimum inhibitory concentration (MIC) values ranged from 0.125 to 4 mg/mL and 1 to 16 mg/mL for methanol and aqueous
extracts, respectively. Further separation of active principle from the potent mangrove plant will be useful for the control
of drug resistant strains of S. aureus. |
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Keywords: | Mangroves Halophytes Antibacterial Staphylococcus aureus Disc diffusion |
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