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In vitro screening of antibacterial potentials of Achyranthes aspera Azolla pinnata and Cissus quadrangularis

The present investigation was undertaken for in vitro screening of antibacterial activities of different extracts (ethyl acetate, methanol and benzene) of various plant parts of Achyranthes aspera, Azolla pinnata, Cissus quadrangularis. In vitro antibacterial efficacy of plants selected was assessed by well diffusion method against pathogenic bacteria such as Staphylococcus aureus, Pseudomonas aeruginosa and Escherichia coli. The ethyl acetate extract of Cissus quadrangularis exhibited highest zone of inhibition against S. aureus (25±1.3mm) followed by Achyranthes aspera (20.0±0.5 mm) and Azolla pinnata (20±0.9mm) whereas Methanolic extract of plants selected also showed good results against P. aeruginosa. None of activity is shown by Benzene extract against any test pathogen. Results of the present investigation indicate that these plants possess compounds with antibacterial properties and hence can be exploited for future natural plant based antimicrobials. | In vitro screening of antibacterial potentials of Achyranthes aspera Azolla pinnata and Cissus quadrangularis