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Commagene Journal of Biology
Article . 2021 . Peer-reviewed
Data sources: Crossref
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Commagene Journal of Biology
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Bioactive Properties of Different Parts of Vitis labrusca L. Fruit

Authors: KOCA, İlkay; TEKGÜLER, Belkis; TÜRKYILMAZ, Burcin;

Bioactive Properties of Different Parts of Vitis labrusca L. Fruit

Abstract

Vitus labrusca L. is a fragrant grape variety that is widely grown in our country and the world. In addition to being consumed as a table grape, it is also consumed by processing into different products such as wine, vinegar, and molasses. This fruit and its residues, revealed after processing into the product, are rich in phenolic compounds. The residues of the grape can be evaluated due to their bioactive potential. In this study, the bioactive characteristics of V. labrusca L. grown in Samsun were investigated. Total phenolic, antioxidative activity properties and oleanolic acid levels were determined in order to reveal their bioactive properties. For this purpose, the whole fruits, skin, and seed parts of the fruits were analyzed separately. It is concluded that the highest values as the total phenolics (1519.68±280.05 mg kg-1), oleanolic acid (351.32±91.42 mg kg-1), and antioxidant values (FRAP: 22.13±6.77 µmol Fe2+g-1) were determined in the skin of fruit. Furthermore, when the relationship between the natural antioxidant contents and the antioxidant activity examined, there was a negative correlation between the total phenolics and DPPH reducing value (as EC50). In conclusion, it is considered that the residues of the grape should be evaluated for their bioactive potential due to V. labrusca L. Fruits being rich in bioactive compounds, and these compounds are mainly concentrated in the skin part.

Vitus labrusca L. ülkemizde ve dünyada yaygın olarak yetiştirilen kokulu bir üzüm çeşididir. Sofralık üzüm olarak tüketilmesinin yanı sıra şarap, sirke ve pekmez gibi farklı ürünlere işlenerek de tüketilmektedir. Bu meyve ve ürüne işlendikten sonraki kalıntıları fenolik bileşikler açısından zengindir. Üzüm kalıntıları biyoaktif potansiyelleri nedeniyle değerlendirilebilir. Bu çalışmada, Samsun’da yetiştirilen V. labrusca L.’nın biyoaktif özellikleri araştırılmıştır. Biyoaktif özelliklerini ortaya koymak için toplam fenolik madde, antioksidan aktivite özellikleri ve oleanolik asit miktarları belirlenmiştir. Bu amaçla meyveler bütün olarak, kabuk ve çekirdek kısımları ayrı ayrı analiz edilmiştir. Toplam fenolik madde (1519.68±280.05 mg kg-1), oleanolik asit (351.32±91.42 mg kg-1) ve antioksidan aktivite değerleri (FRAP: 22.13±6.77 µmol Fe2+g-1) en fazla meyvelerin kabuk kısmında belirlenmiştir. Ayrıca, doğal antioksidan içerikleri ile antioksidan aktivite arasındaki ilişki incelendiğinde, toplam fenolik madde ile DPPH indirgeme değeri (EC50 olarak) arasında negatif bir ilişki olduğu görülmüştür. Sonuç olarak, V. labrusca L. meyvelerinin biyoaktif bileşiklerce zengin olması ve bu bileşiklerin ağırlıklı olarak kabuk kısmında yoğunlaşması nedeniyle üzüm kalıntılarının biyoaktif potansiyelleri açısından değerlendirilmesi gerektiği düşünülmektedir.

Related Organizations
Keywords

Structural Biology, Yapısal Biyoloji, Antioksidan aktivite;üzüm;oleanolik asit;triterpenoidler, Antioxidant activity;grape;oleanolic acid;triterpenoids.

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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
1
Average
Average
Average
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