It has been reported that compounds such as phenolics, flavonoids, which contain hydroxils, are responsible for the radical scavenging activity of most plant.[ 34 ] The result of DPPH scavenging activity of ethanolic extracts [ Table 2 ] indicates they are fairly significant scavenger of free radical when compared with standard ascorbic acid measured at IC 50 value.
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Comparative assessment on in vitro antioxidant activities of ethanol extracts of Averrhoa bilimbi, Gymnema sylvestre and Capsicum frutescens.
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