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Evaluation of Antimicrobial Activities and Phytochemical Screening of Selected Wild Edible Plants of District Malakand, Khyber Pakhtunkhwa, Pakistan

Research Paper | March 1, 2021

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Muhammmad Ibrahim, Naveed Akhtar, Arshad Iqbal, Haji Bahadar, Sara

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Int. J. Biosci.18( 3), 95-103, March 2021

DOI: http://dx.doi.org/10.12692/ijb/18.3.95-103


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The current research work was done to evaluate the antimicrobial and phytochemical perspective of methanolic extracts of five selected wild edible plants such as Asparagus officinalis, Caralluma tuberculata Chenopodium album, Rumex dentatus and Solanum nigrum of district Malakand, Pakistan. These selected wild edible plants are traditionally used as food and medicinal plants with several healing possessions. The strains of tested microbes were exposed to the methonolic extracts of selected plants by applying the agar well diffusion method. The bacterial strains used were Klebsiella pneumoniae, Escherichia coli, Bacillus cereus and Staphylococcus aureus. The fungal strains used were Aspergillus niger, Aspergillus flavus, Fusarium oxysporium and Alternaria alternata. The phytochemical investigation was achieved by using standard procedures. The enhancement in the antibacterial activity was detected by increasing the concentration of methanolic extracts. Methanolic extract of Rumex dentatus revealed maximum antibacterial activity against Staphylococcus aureus with inhibition zone (21 ± 1.2 mm), followed by Solanum nigrum against Escherichia coli with inhibition zone (20 ± 0.5 mm) at the concentration (9µl). The maximum antifungal action was shown by the methanolic extract of Solanum nigrum against Fusarium oxysporium with the zone of inhibition (27 ± 0.3 mm), followed by Rumex dentatus against Aspergillus flavus having inhibition zone (26 ± 0.3 mm) at the concentration (9µl). The phytochemical analysis exposed that all these selected wild edible plants were rich in different secondary metabolites such as alkaloids, flavonoids, glycosides, phenols, saponins, tannins and steroids. The study concludes that these plants have new substances with notable antimicrobial possessions.


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Evaluation of Antimicrobial Activities and Phytochemical Screening of Selected Wild Edible Plants of District Malakand, Khyber Pakhtunkhwa, Pakistan

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