Antimicrobial activity of leaf extracts of Jurinea dolomiaea plant against clinical and phytopathogenic bacteria.

S. D Dwivedi, Sheeraz Ah. Wagay


The ethnobotanical efficacy of Jurinea dolomiaea plant is examined using agar disc diffusion method against clinical bacteria (Escherichia coli and Staphylococcus aureus) and phytopathogenic bacteria (Xanthomonas vesicatoria and Ralstonia solanacearum). Leaves were extracted using different solvents such as methanol, ethanol, ethyl acetate and chloroform. Among treatments, maximum in vitroinhibition was scored in methanol extract of which offered inhibition zone of 10, 9, 12 and 12 mm against E. coli, S. aureus, X. vesicatoria and R. solanaccearum, respectively, followed by chloroform extract of the same plant leaf with inhibition zone of 8, 4, 4 and 4 mm, respectively. The minimum inhibitory concentration (MIC) value for the clinical bacteria ranged between 0.35 to 4.0 mg/ml and 0.25 to 4.0 mg/ml for phytopathogenic bacteria when tested with all four solvents extracts of J.dolomiaea.

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ISSN (Paper)2224-7467 ISSN (Online)2225-0913

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