Document Type : Research Article
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Abstract
Abstract
In this study, total phenolics content and antioxidant activity of peel and pulp and main phenolic compounds of fruit including chlorogenic acid, catechin, phloridzin, quercetin 3-galactoside, cyanidin 3-galactoside (Anthocyanin) and total flavonoids of peel of native cultivars ‘Ghandak’, ‘Heidarzade’ and imported cultivars ‘Golden Spur’, ‘Red Spur’ and ‘Red Delicious’ were quantified. Results showed that the selected cultivars have a significant variation regarding all factors except for cyaniding 3-galactoside. ‘Red Spur’, a red cultivar, had the highest catechin and phloridzin content. ‘Heidarzade’, a red cultivar, indicated the highest quercetin 3-galactoside and cyaniding 3-galactoside and total flavonoids. There was a positive relation between total phenol content and antioxidant activity. The peel of studied cultivars had higher content of total phenol and antioxidant activity compared with pulp. Among the experimental cultivars, the peel of ‘Red Spur’ and the pulp of ‘Heidarzade’ had the highest total phenol content and antioxidant activity.
Keywords: Total phenol, Chlorogenic acid, Anthocyanin, Quercetin 3-galactoside, Catechin
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