Abstract
The present study was carried out to elucidate the in vitro free radical scavenging potential of various extracts of Tabebuia roseo-alba leaves. Assays for radical scavenging, such as DPPH, ABTS+, hydroxyl, hydrogen peroxide, superoxide, nitric oxide assay and reducing power activity were performed using standard protocols and the results were compared with standard ascorbic acid. Among the various extracts used the ethanolic extract of T. roseo-alba exhibited efficient scavenging potential with lowest EC50 value proving its antioxidant potential. Leaves of T. roseo-alba have strong free radical scavenging properties and thus can be used as a potential antioxidant to resolve diseases that are associated with oxidative stress including diabetes and other age related disorders.
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