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ORIGINAL ARTICLE
Year : 2013  |  Volume : 38  |  Issue : 2  |  Page : 87-92

Antioxidative and radioprotective potential of rutin and quercetin in Swiss albino mice exposed to gamma radiation


1 Department of Physiology, Kawdoor Sadananda Hegde Medical Academy, Nitte University, Mangalore, Karnataka, India
2 Centre for Application of Radioisotopes and Radiation Technology, University Science Instrumentation Centre, Mangalore, Karnataka, India
3 Department of Applied Zoology, Mangalore University, Mangalore, Karnataka, India

Correspondence Address:
Shrikant L Patil
Department of Physiology, K.S. Hegde Medical Academy, Nitte University, Mangalore, Karnataka
India
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Source of Support: Board of Research in Nuclear Sciences (BRNS), Mumbai, India,, Conflict of Interest: None


DOI: 10.4103/0971-6203.111321

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The radioprotective potential of bioflavonoid, rutin (RUT) and quercetin (QRT) was investigated in Swiss albino mice exposed to gamma radiation. The radioprotective potential of RUT and QRT was assessed in pre-treatment group of mice followed on radiation-induced changes in glutathione (GSH), glutathione-S-transferase (GST), superoxide dismutase (SOD), catalase (CAT), and lipid peroxidation (LPO) levels were also analyzed. Elevation in the GSH, GST, SOD, CAT, and decreased LPO levels were observed in RUT and QRT pretreated group when compared to the irradiated animals. Furthermore, it was observed that RUT and QRT treatment was found to inhibit various free radicals generated in vitro, viz., 2,2-diphenyl-1-picrylhydrazyl (DPPH), O2· , 2,2'-azino-bis(3-ethylbenzothiazoline-6-sulphonic acid) (ABTS)· + , and OH· in a concentration-dependent manner. This study clearly demonstrates the free radical scavenging action of RUT and QRT, indicating that it may have its potential as a radioprotective agent. Furthermore, the presence of a phenolic group in RUT and QRT is known to contribute to scavenging the radiation-induced free radicals and inhibition of oxidative stress. Present findings demonstrate the potential of RUT and QRT in mitigating radiation-induced oxidative stress, which may be attributed to the inhibition of radiation-induced decline in the endogenous antioxidant levels and scavenging of radiation-induced free radicals.


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