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Year : 2010  |  Volume : 1  |  Issue : 2  |  Page : 260-267

Evaluation of antioxidant potential of pyrazolone derivatives

Department of Pharmaceutical Chemistry, Himalayan Pharmacy Institute, E. Sikkim, India

Correspondence Address:
G Mariappan
Department of Pharmaceutical Chemistry, Himalayan Pharmacy Institute, E. Sikkim
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Source of Support: None, Conflict of Interest: None

PMID: 22247854

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In this article the antioxidant property of pyrazolones derivatives (PYZ1 to PYZ10) are reported. It was assessed by estimation of Malonaldehyde (MDA) and 4-Hydroxyl-2­noneal (4-HNE) as lipid peroxidation markers in myocardial ischemic reperfusion injury. The inhibition of lipid peroxidation was compared with the standard ascorbic acid. Among synthesized derivatives PYZ2, PYZ3, PYZ7, PYZ8, PYZ9, and PYZ10 were found to have potent antioxidant effect against MDA marker. In case of 4-HNE, PYZ4, PYZ5, PYZ6, PYZ7, PYZ8, PYZ9 and PYZ10 were found to have effective antioxidant activity and the rest of the compounds are moderately active. Comparatively PYZ7, PYZ8, PYZ9 and PYZ10 are having effective role to control both MDA and 4-HNE generation. All the experimental data were statistically significant at p< 0.05 level. Interestingly, beyond its NSAID property, this study explores the protective role of pyrazolone derivatives in ischemic heart injury.

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