Phytochemical Variation of Carrot Variety "Ereğli Siyahı"
Keywords:Phenolic, Troloks, Gallic acid, TEAC, FRAP
AbstractCarrot produced in all seasons and can be consumed as fresh, cooked, boiled, garnish, juice and pickles. There is a great variation in carrot color from light yellow to dark purple-black. Because of the dark purple-black color and the high anthocyanin content, ‘Ereğli Siyahı‘ cultivar is commonly used in the industry. However, ‘Ereğli Siyahı‘ has wide variation within its population. In this study, the difference among the phytochemical content of ‘Ereğli Siyahı‘ sampled grouped based on their interior color has been examined. Carrot roots grown in same field in Eregli, Konya were sampled and collected. Marketable 700 roots were from ‘Eregli Siyahı‘ were randomly sampled. Then, the roots were cut in half and separated 11 different groups (G) according to the interior color. Each group was homogenized in 4 replications and samples were prepared for analysis of phytochemicals. Results of the study showed that G7 had the highest phenolic content (1199.23 Âµg GAE/g fw) while G5 was the group that had the lowest phenolic content (516.54 Âµg GAE/g fw). Antioxidant capacity was determined using TEAC ve FRAP methods. The highest TEAC (8.54 Âµg TE/g fw) and FRAP (15.52 Âµmol TE/g) were observed in G2. However, the lowest TEAC (2.09 Âµmol TE/g) and FRAP (1.62 Âµmol TE/g) were found in G5. The percentage of carrot roots was the highest in G2 (%35). The results indicated that there is a great deal of variation for several phytochemical traits within “Ereğli Siyahı”.
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