Stability of the Antioxidant Activity of Flavonoids after Gamma Irradiation

DOI: 10.4236/fns.2011.25071   PDF   HTML     6,471 Downloads   11,201 Views   Citations


Food irradiation has the purpose of destroying insects or microorganisms, thereby increasing the safety and shelf life of foods. Flavonoids are ubiquitous plant secondary products with radical scavenger ability. In the present study their antioxidant stability after gamma irradiation was evaluated. The flavonoids showed fast scavenger ability measured with the 2.2-diphenyl-1-picrylhydrazyl radical (DPPH) after high doses of radiation. The low damage caused by irra- diation on antioxidant capacity of the flavonoids shows their potential use in combating chemical oxidation of bio- molecules in irradiated foods.

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A. Vaz, M. Souza, A. Argôlo, A. Melo, M. Oliva, H. Xavier, L. Coelho and M. Correia, "Stability of the Antioxidant Activity of Flavonoids after Gamma Irradiation," Food and Nutrition Sciences, Vol. 2 No. 5, 2011, pp. 490-493. doi: 10.4236/fns.2011.25071.

Conflicts of Interest

The authors declare no conflicts of interest.


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