ANTIOXIDANT CAPACITIES AND PHENOLIC PROFILES OF OTTOMAN STRAWBERRY FRUIT AND OTTOMAN STRAWBERRY JAM

ERINÇ KOÇAK¹ , Evren DEMİRCAN² , BERAT ÖZÇELIK³

The objective of this study was to quantify the antioxidant capacity of four wild strawberry cultivars (Ottoman) harvested in Elazig, Alkaya, Kargucak and Pences as different species of Fragaria vesca and two Ottoman strawberry jams by various spectrophotometric methods (TPC, CUPRAC, TFC, DPPH, ABTS, FRAP) and to evaluate their phenolic profile by HPLC-DAD. The highest antioxidant capacity was determined in the extracts of Pences cultivar with the concentrations of 60.14, 153.20, 45.08 mg TROLOX/g of dry weight in FRAP, CUPRAC and DPPH assays respectively. Quercetin, (+) catechin, and gallic acid were detected by HPLC in all strawberry samples in substantial amounts.

Keywords
Wild Strawberry, Fragaria Vesca, Flavonoids, Spectrophotometric Analysis, HPLC,