Wednesday, 10 June 2015

High-performance thin-layer chromatographic analysis of antioxidants present in different parts of Saraca asoca (Roxb.) de Wilde

The term ‘antioxidant’ means ‘against oxidation’ and may be defined as any substance that retards or prevents deterioration, damage or destruction of living cells/tissues by oxidation. The 1,1,diphenyl-2-picryl hydrazyl (DPPH) radical is widely used as the model system to investigate the scavenging activities in plant extracts. DPPH radical is scavenged by antioxidants through the donation of proton resulting in reduced DPPH-H. The proton radical scavenging action is known to be one of the various mechanisms for measuring antioxidant activity.

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