South Asian Journal of Experimental Biology, Vol 11, No 1 (2021)

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Apr 18
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Comparative antimicrobial analysis of four species of family Asteraceae in Southern Rajasthan, India

N. R. Keer, K. L. Meena

Abstract


Plants are good source of antimicrobial agents and may be used for alternative drug formation in future. In the present study, comparative antimicrobial analysis of four species of family Asteraceae in southern Rajasthan has been investigated. Acanthospermum hispidum, Pentanema indicum, Sphaeranthus indicus, and Tridax procumbens of family Asteraceae were collected from southern Rajasthan. Antimicrobial activity was carried out of dried leaves extract in methanol and ethyl acetate against Bacillus subtilis, Escherichia coli, Staphylococcus aureus, and Streptomyces griseus bacteria and Aspergillus niger, Candida albicans, Fusarium oxysporium and Trichoderma reesei fungi. Antibacterial and antifungal activities of all four species were measured in the form of zone of inhibition.The highest zone of inhibi-tion was observed on E. coli in S. indicus i.e. 26.00±0.59 mm in ethyl acetate extract and lowest zone of inhibition was observed on B. subtilis in T. pro-cumbens i.e. 5.00±0.21 mm in methanol extract. While the highest zone of inhibition was observed on S. griseus in A. hispidium i.e. 30.00±0.50 mm in ethyl acetate extract and lowest zone of inhibition was observed on C. albicans in A. hispidum i.e. 10.00±0.49 mm in methanol extract. The results of the present study suggest the use of natural antimicrobial agent against studied microorganism.

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