Volume 69, Issue 4 (15.12.2023)

Volume : 69
Issue : 4 (15.12.2023)
   
Authors : Emina MEHIC, Maja KAZAZIC,Maida DJAPO-LAVIC, Jasmina ALIMAN
Title : INFLUENCE OF ROOTSTOCK/CULTIVAR COMBINATIONS ON BIOACTIVE COMPOUNDS IN SWEET CHERRY FRUITS
Abstract : The present study aimed to investigate the influence of different rootstocks (Gisela 6, Pi-Ku 1, and SL 64) on various parameters, including total phenol content, total anthocyanin content, individual phenol content, and antioxidant activity in the fruits of two sweet cherry cultivars, namely Early Lory and Prime Giant. The determination of total phenolic content was carried out using the Folin-Ciocalteu reagent and spectrophotometric method, resulting in a range of 34.77±1.76 to 88.58±8.83 mg GAE/100 g FW, depending on the specific combination of cultivar and rootstock. The concentration of total anthocyanins, determined through the pH-differential method, varied from 1.08±0.07 to 18.62±0.66 mg CGE/100 g FW. Among the different combinations, the highest levels of total phenolic content and total anthocyanin concentration were found in Early Lory cultivar grafted onto Pi-Ku 1 rootstock. Using HPLC analysis, neochlorogenic acid, catechin, chlorogenic acid, p-coumaric acid and quercetin-3-O-glucoside were detected as individual phenols, exhibiting significant variation among sweet cherry fruits grafted on different rootstocks. The lowest content of the investigated individual polyphenols was observed in Early Lory grafted onto Pi-Ku 1 rootstock. Furthermore, the ferric reducing antioxidant power assay indicated higher antioxidant activity in Early Lory cultivar compared to Prime Giant. A statistically significant correlation was observed between total phenolic content and antioxidant activity (0.978 p<0.01), as well as between anthocyanins and antioxidant activity (0.956 p<0.01).
For citation : Mehić, E., Kazazić, M., Djapo-Lavic, M., Aliman, J. (2023): Influence of rootstock/cultivar combinations on bioactive compounds in sweet cherry fruits. Agriculture and Forestry, 69 (4): 31-40. doi:10.17707/AgricultForest.69.4.03
Keywords : anthocyanins, antioxidant activity, cultivar, rootstock, total phenol content
   
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