Accumulation of Phenolic Compounds and Antioxidant Capacity during Berry Development in Black ‘Isabel’ Grape (Vitis vinifera L. x Vitis labrusca L.)

Kurt-Celebi, Aynur and Hayirlioglu-Ayaz, Sema and Colak, Nesrin and Kostadinovik Velickovska, Sanja and Ilieva, Fidanka and Esatbeyoglu, Tuba and Ayaz, Faik Ahmet (2020) Accumulation of Phenolic Compounds and Antioxidant Capacity during Berry Development in Black ‘Isabel’ Grape (Vitis vinifera L. x Vitis labrusca L.). Molecules, 25. pp. 3845-3868. ISSN 1420-3049

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Abstract

Grapes are one of the most economically important fruits in the world and are of
considerable benefit to human health due to their phenolic compounds. The black ‘Isabel’ grape
(V. vinifera L. x V. labrusca L.) is widely grown in the Black Sea region of Turkey, where it is attracting
increasing interest. The aim of this study was to investigate phenolic compounds and antioxidant
capacity (DPPH (2,2-diphenyl-1-picrylhydrazyl) and CUPRAC (CUPric Reducing Antioxidant
Capacity)) in the grape during berry development, which has been not reported yet from the region.
A trend towards an increase in total phenolic compounds, flavonoid, and anthocyanin contents
and antioxidant capacity values was observed from un-ripened to overly ripened berries. In addition,
anthocyanins in berries and proanthocyanidins seeds were characterized during berry development.
Accordingly, malvidin-3-O-glucoside was the major anthocyanin in skin (1.05–1729 mg/kg fresh
weight (fw)) and whole berry (0.23–895 mg/kg fw), followed by the content of peonidin-3-O-glucoside
(0.98–799 mg/kg fw and 0.15–202 mg/kg fw, respectively). After veraison (onset of ripening or change
of color in the grape berries), all proanthocyanidins showed a gradual decrease through ripening.
The results showed that anthocyanins and proanthocyanidins in the grape showed significant
stage-dependent changes with positive or negative strong correlations. Considering the phenolic
compounds, an optimum harvest date of the grape might be suggested between mid-September
and mid-October

Item Type: Article
Impact Factor Value: 3.267
Subjects: Agricultural Sciences > Agricultural biotechnology
Natural sciences > Chemical sciences
Divisions: Faculty of Agriculture
Depositing User: Sanja Kostadinovik
Date Deposited: 26 Aug 2020 13:15
Last Modified: 26 Aug 2020 13:15
URI: https://eprints.ugd.edu.mk/id/eprint/24380

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