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  • 1 Slovak University of Agriculture Department of Storing and Processing Plant Products Tr. A. Hlinku 2 Nitra SK-949 76 Slovak Republic
  • 2 University of Ss. Cyril and Methodius Department of Biotechnology Nam. J. Herdu 2 Trnava SK-917 01 Slovak Republic
  • 3 Slovak University of Agriculture Department of Biochemistry and Biotechnology Tr. A. Hlinku 2 Nitra SK-949 76 Slovak Republic
  • 4 Plant Production Research Center Bratislavska cesta 122 Piestany SK-921 68 Slovak Republic
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The aim of this study was to evaluate the antioxidant activity of four milling fractions of purple wheat breeding lines grown in 2010. Radical scavenging activity by the DPPH assay and reducing power of the samples were determined, as well as the content of polyphenols, flavonoids and anthocyanins. The obtained results showed that flour fractions (break and reduction flour) had lower total antioxidant potential than bran fractions (fine and coarse bran). A significant correlation was obtained between the DPPH and reducing power assay (R2 = 0.87). The correlation between antioxidant assays and polyphenol, flavonoid and anthocyanin content suggested that polyphenols in cereals are responsible for the antioxidant activities.

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