The present study was aimed to study antioxidant potential of the palnt Eclipta alba Linn. The antioxidant property was assessed by 2, 2-diphenyl-1-picrylhydrazyl (DPPH) free radical scavenging method. DPPH free radical scavenging effect of the extract was compared with standard antioxidant ascorbic acid and it showed significant result. The IC50 values obtained for DPPH inhibition were 471.851 and 169.09 μg/ml for methanol extract of Eclipta alba (MEEA) and standard ascorbic acid respectively. The IC50 values obtained for DPPH inhibition of three major column fractions were 389.148, 223.571, 295.454 and 169.09 μg/ml for first fraction (F-I), second fraction (F-II), third fraction (F-III) and ascorbic acid respectively. Thus the extract and its fractions can be used as natural antioxidant source to prevent diseases associated with free radical.
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