I have synthesized AgNps using medicinal plant extract. I am facing a problem with their antioxidant activity. The antioxidant activity of the plant extract is higher whereas plant-mediated synthesized AgNps show a decrease in antioxidant activity. As per the reported literature, AgNps show good antioxidant activity. But my findings are totally against the already reported studies. Can anyone suggest me why there is decrease in antioxidant activity of AgNps.
Because there are more phytochemicals in plant extract possessing antioxidant activity. When you synthesize nanoparticles with them some of them stabilize the nanos not all of them are involved. So this is the reason plant extract alone show high antioxidant potential.
same with me but I have synthesized ZnO NPs from medicinal plant extract and repeated the assay many time using DPPH and used standard Ascorbic acid for reference but all the time ZnO NPs show less antioxidant activity then Plant extract Priyanka Pandita
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