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Int. J. Mol. Sci. 2007, 8(7), 618-627; doi:10.3390/i8070618

Irradiation Effects on Phenolic Content, Lipid and Protein Oxidation and Scavenger Ability of Soybean Seeds

1,* , 2 and 1
1 Faculty of Agriculture, University of Novi Sad, Trg Dositeja Obradovića 8, 21000 Novi Sad, Serbia 2 National Laboratory for Seed Testing, Maksima Gorkog 30, 21 000 Novi Sad, Serbia
* Author to whom correspondence should be addressed.
Received: 5 May 2007 / Revised: 31 May 2007 / Accepted: 7 June 2007 / Published: 5 July 2007
(This article belongs to the Special Issue Phenolics and Polyphenolics)
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The effect of medium doses of γ-irradiation (1-10 kGy) on total phenolic andtannin contents, lipid peroxidation, protein oxidation intensity and soluble protein contentof soybean seeds, (genotype Ana), was investigated. Screening for antioxidant ability wasperformed using FRAP and DPPH methods. Total phenolic and tannin contents and DPPHscavenger activity were increased, while protein oxidation intensity was decreased byapplied doses of γ-irradiation. Gamma irradiation provoked insignificant changes in lipidperoxidation and soluble protein content, while protein oxidation intensity wassignificantly decreased when dose of 10 kGy was applied. Presented results implicated thatincreased antioxidant capacity and protein stability of soybean seeds were increased afterapplication of γ-irradiation.
Keywords: Phenols; protein oxidation; DPPH; γ-irradiation; soybean seeds Phenols; protein oxidation; DPPH; γ-irradiation; soybean seeds
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Štajner, D.; Milošević, M.; Popović, B.M. Irradiation Effects on Phenolic Content, Lipid and Protein Oxidation and Scavenger Ability of Soybean Seeds. Int. J. Mol. Sci. 2007, 8, 618-627.

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