Phytochemical screening and antimicrobial activity of selected medicinal plant species

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Sajjad Ali Kashif Ali Zahid Hussain Muhammad Saleem Khan, Wisal Muhammad Khan, Sher Wali Muhammad Shuaib


Phytochemicals are essential compounds, utilized worldwide for curing of various human disorders. The present study comprised of 12 different medicinal plant species i.e. Withania coagulans, W. somnifera, Cannabis sativa, Medicago sativa, Achyranthes aspera, Convolvulus arvensis, Solanum nigrum, Mentha longifolia, Mentha spicata, Tagetes erecta, Fagonia cretica and Acacia nilotica. These species were used by the local inhabitants for treating various aliments. Methanolic extract of  leaves of these plant species  were investigated for cardiac glycosides, alkaloids, tannins, saponins, flavonoids, terpenoids, anthraquinones and reducing sugars. Among the reported medicinal plant species, Leaves of Acacia nilotica and Withania somnifera were tested for antibacterial activity which showed significant activity against Bacillus subtilis, Escherichia coli, staphylococcus and Pseudomonas fluorescence.

Keywords: Medicinal plants; Phytochemical screening; Antimicrobial activity


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