Comparative Nutrient Element and Antioxidant Characterization of Berry Fruit Species and Cultivars Grown in Hungary
2008
Hegedűs, Attila | Balogh, Emoke | Engel, Rita | Sipos, Béla Zoltan | Papp, János | Blázovics, Anna | Stefanovits-Bányai, Éva
Fruits of four berry species (strawberry, raspberry, red and black currants) were compared in their elemental composition (Al, B, Ba, Ca, Cu, Fe, K, Mg, Mn, Na, P, and Zn) and redox parameters involving total phenol content (TPC), ferric reducing ability (FRAP), 2,2'-diphenyl-1-picrylhydrazyl (DPPH) radical scavenging, and total radical scavenger activity (TRSA). Berry cultivars contained significantly higher (P 0.05) amounts of most detected elements as compared with apple with many maximum elemental values demonstrated by the black currant 'Otelo'. Black currant also had the greatest antioxidant capacity as demonstrated through all conducted assays. The results obtained through FRAP, TPC, and TRSA assays were closely correlated, whereas TRSA and DPPH varied independently. Our study provides valuable information on the antioxidant capacity of several berry species grown in Hungary and highlights the crucial influence of cultivar on elemental content and antioxidant power of berry fruits. This study demonstrated the ability to select berry cultivars for specific nutritional purposes or assign parental lines in functional breeding programs.
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