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SHORT COMMUNICATION
Year : 2012  |  Volume : 31  |  Issue : 3  |  Page : 132-136

Antioxidant potential and total phenolic content of methanolic bark extract of Madhuca indica (koenig) Gmelin


1 Department of Pharmacy, Bharat Institute of Technology, Partapur, By-Pass road, Meerut, India
2 Department of Pharmacy, Jodhpur National University, Jodhpur, Rajasthan, India

Correspondence Address:
Anu Chaudhary
Bharat Institute of Technology, Meerut - 250 103
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0257-7941.103197

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This study was carried out to investigate the antioxidant and free radical scavenging activity of methanolic extract of Madhuca indica bark in varios systems. DPPH radical, superoxide anion radical, nitric oxide radical, hydroxyl radical, lipid peroxidation, and total phenolic content assays were carried out to evaluate the antioxidant potential of the extract. The percentage inhibition of 40 mg/ml concentration of MMI in DPPH radical scavenging model was found as 74.1%. The scavenging of nitric oxide by the plant extract was concentration dependent and IC 50 value of rutin was found to be 161.7 μg/ml. MMI elicited significant and concentration-dependent superoxide radical scavenging effect with MMI as well as standard curcumin, which exhibited IC 50 values of 38.1 and 5.84 μg/ ml, respectively. MMI demonstrated significant scavenging activity of OH - radical generated from Fe 2+ -ascorbate-EDTA-H 2 O 2 in a concentration-dependent manner. The extract showed a significant dose-dependent free radical scavenging activity in all the models. The extract showed the presence of high phenolic content corresponding to 98.48 μg equivalent of gallic acid and the antioxidant activity could be attributed to this.


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