PJB-2018-50
Bioactive and antioxidant composition of fruits in some rosehip genotypes from Middle Aegean
volkan okatan
Abstract
Rosehip is commonly used in the processing market. In this study antioxidant capacity, organic acids, phenolic compounds, vitamin C, and sugars content of rosehip cultivars grown in the Middle Aegean of Turkey were determined. Phenolic compounds, organic acids, vitamin C, and sugars were determined by high-performance liquid chromatography (HPLC). Antioxidant capacity was determined by spectrophotometric methods. In this study, catechin content was dominant among phenolic compounds for all genotype and the heighst value (416.995 µg g-1) was determined in 64US03 genotype. Malic acid, citric acid and succinic acid were dominant among organic acids for all genotypes and gave the highest values. Contents of glucose and fructose among sugars were measured to be higher than content of sucrose in all genotypes. The highest fructose content was determined to 15.2855 g 100g-1 in 64US03 genotype. In this study, the highest antioxidant capacity was detected in the genotype 64US03 (%254.855). As a result of study, it was revealed that genotypes varied in chemical contents and antioxidant capacities (p<0.05).
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