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Öğe Chemical composition of apricots affected by fruit size and drying methods(Taylor & Francis Inc, 2018) Karabulut, Ihsan; Bilenler, Tugca; Sislioglu, Kubra; Gokbulut, Incilay; Ozdemir, Ibrahim Sani; Seyhan, Ferda; Ozturk, KadirCombined practice of sulfuration and drying is widely applied for extending shelf life of fruits. The differences in fruit size are not taken into consideration during these applications and during fresh fruit consumption. In this study, effect of fruit size and drying methods (hot air-drying and sun drying) on the chemical composition of fresh and sulfurated apricot was investigated. Total drying times for sun drying and hot air-drying were 11 d and 51 h, respectively. A temperature gradient was applied during hot air-drying. The fruit size substantially affects the composition of both fresh and dried apricots. The results were subjected to principal component analysis. The small-sized fresh apricots discriminate themselves from large ones with higher amounts of phenolic compounds, whereas the large-sized fresh apricots contain more sugar and organic acids. Size classification and hot air-drying are advisable for high-quality dried apricot production.Öğe Effect of fruit canopy positions on the properties of apricot (Prunus armeniaca L.) varieties(Wiley, 2018) Karabulut, Ihsan; Bilenler, Tugca; Sislioglu, Kubra; Gokbulut, Incilay; Seyhan, Ferda; Ozdemir, Ibrahim Sani; Ozturk, BulentEffect of fruit position in the tree on properties of two commercially important apricot varieties (Hachalilolu and Kabaa) was investigated. Principal component analysis separated apricots based on their variety and canopy position. Hachalilolu variety was distinguished from Kabaa variety by its higher pH, weight, dry matter (DM), soluble solid, citric acid, and catechin content. Major features which contribute to variation of the canopy position were -carotene, malic acid, catechin, ascorbic acid, soluble solid content, DM, malic acid, and neochlorogenic acid. Fruits located on the top of the tree were richer in phenolic compounds and exhibited higher degree of antioxidant activity measured by 2.2-azinobis[3-ethylbenzthiazoline-6-sulphonic acid] (ABTS) method than those located on the bottom of the tree. Except for chlorogenic and neochlorogenic acids, all other forms of phenolic compounds were higher in concentration in the fruits located on the top of the canopy especially for the Hachalilolu variety. Practical applicationsThe results of this study may be of interest for apricot breeders as it provides important information about cultivar specific canopy effect on fruit quality. Furthermore, the results can be used by apricot producers for canopy management and pruning strategies to create of homogenous microclimate in the fruit canopy which would limit quality variation.