assessment of salinity-induced antioxidative defense system in colubrina asiatica brongn
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ID: 186464
2011
The present study examined the salinity-induced oxidative damage and differential response of enzymatic and nonenzymatic antioxidants of Colubrina asiatica. Acceleration of catalase and peroxide production in leaves and roots suggested the onset of oxidative damage. The activities of these enzymatic antioxidants were significantly increased by salt stress, with maximum induction occurring with higher regimes of salinity (200 mM and 300 mM NaCl treatment). Interestingly, under severe stress condition (300 mM NaCl), peroxidase seemed to be more crucial than catalase for peroxide scavenging. Among the studied nonenzymatic antioxidants, ascorbic acid was induced maximally at lower dose of salinity; however, polyphenols, flavonoids and DPPH activity glutathione were increased with increasing NaCl treatment as compared with control plants. Therefore, salinity was found to induce the antioxidative defense system of C. asiatica.
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| Authors | ;Sonar B.A.;Desai Nivas;Gaikwad D.K.;Chavan P.D. |
| Journal | clinical therapeutics |
| Year | 2011 |
| DOI | DOI not found |
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