Abstract
Green fabrication is an environmentally friendly and innovative method, and an attractive research field for the production of magnesium oxide nanoparticles (MgO NPs) in clinical and environmental applications. In this study, a viable green synthetic approach has been carried out to produce MgO NPs by using leaf aqueous extract of Piper nigrum as a capping agent. The formation and physicochemical properties of the MgO NPs were confirmed through standard characterization methods. All the analytical data revealed the formation of pure, rod-shaped, and crystalline MgO NPs with an average size of 20 nm. The low concentration of 50 µg/mL MgO NPs shows 29.99% free radical scavenging, whereas the highest concentration of 500 µg/mL MgO NPs exhibits 91.99% free radical scavenging compared with ascorbic acid. The IC50 of the MgO NPs was found to be 89.5 µg/mL. This study shows that the synthesized MgO NPs exhibit good anti-oxidant activity that can be used for biomedical applications.
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