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The utilization of medicinal plants to treat infectious disease is a common practice in developing countries worldwide. The present study was aimed at evaluating the crude extracts of Ephedra gerardiana (root and stem) with different chemicals for antioxidant and antimicrobial (fungal and bacterial) potential. The results revealed that the ethyl acetate fractions of E. gerardiana (root and stem) have significant free radical scavenging potential with values 2.96 ± 0.39 and 2.73 ± 0.84 while n-butanol and aqueous fractions showed IC502.69 ± 0.26 and 3.44 ± 0.69 µg/ml in stem. Furthermore, crude extract and fractions also revealed promising antibacterial activities against all tested microbial strains while aqueous fraction showed no activities against Bacillus subtilis, Kleibsiella pneumoniae, and Pseudomonas aeruginosa. Interestingly, all crude extracts and fractions were nonactive against fungal strain, Aspergillus niger and Aspergillus flavus, as compare to control. In summary, the Ephedra gerardiana (root and stem) extract and fraction possess antioxidant activities, which might be helpful in preventing or slowing the progress of various oxidative stresses, suggested to be a strong pharmaceutical agent.

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