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Journals / Turkish Journal of Pharmaceutical Sciences / 2006 / Cilt: 3 - Sayı: 3

Türkiye'de şarap yapımında kullanılan beyaz ve kırmızı üzümlerden elde edilen tohum ekstrelerinin karşılaştırmalı serbest radikal süpürücü kapasitesi

Comparative free radical scavenging capacity of the seed extracts obtained from the white and red grape berries used for wine-making in Turkey

Ayşen ÇÖLKESEN
AHMET AYDIN
Aşkın IŞIMER
İlkay ORHAN
BİLGE ŞENER
Pages
177–185
DOI
—
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

Most of the extracts displayed significant DPPH. scavenger activity.

📌 3 Key Takeaways

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Objective & Hypothesis:Free radical scavenger capacity of the polyphenolic fractions obtained from ethyl acetate extracts of the seeds of sixteen red or white-colored samples of grape (Vitis vinifera-Vitaceae) species cultivated in Turkey has been determined in this study.
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Key Findings & Data:On this purpose, the scavenger activity of V. vinifera extracts was evaluated via stable free radical 1,1-diphenyl-2-picryl hydrazyl (DPPH.) and superoxide radical (O2-.) generated by xanthine/xanthine oxidase (XOD) system.
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Conclusion & Impact:Most of the extracts displayed significant DPPH. scavenger activity.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Vitis · Tohumlar · Serbest radikal süpürücüler

Abstract

Free radical scavenger capacity of the polyphenolic fractions obtained from ethyl acetate extracts of the seeds of sixteen red or white-colored samples of grape (Vitis vinifera-Vitaceae) species cultivated in Turkey has been determined in this study. On this purpose, the scavenger activity of V. vinifera extracts was evaluated via stable free radical 1,1-diphenyl-2-picryl hydrazyl (DPPH.) and superoxide radical (O2-.) generated by xanthine/xanthine oxidase (XOD) system. DPPH. scavenger capacity of the extracts has been compared with the same concentrations of the known antioxidants such as BHT, vitamin C, gallic acid and quercetin. Vitamin C and gallic acid have been also used to compare O2-. scavenger capacity of the extracts. Most of the extracts displayed significant DPPH. scavenger activity.

Özet

Bu çalışmada, Türkiye'de kültürü yapılan 16 çeşit kırmızı veya beyaz üzüm (Vitis vinifera L.-Vitaceae) örneklerinin tohumlarının etilasetat ekstrelerinden elde edilen polifenolik fraksiyonlarýn serbest radikal süpürücü etkileri tayin edilmiştir. Bu amaçla, V. vinifera ekstrelerinin süpürücü aktivitesi, stabil serbest radikal 1,1-difenil-2-pikril hidrazil (DPPH.) ve ksantin/ksantin oksidaz (XOD) sisteminin yarattığı süperoksit radikali (O2-.) aracılığı ile değerlendirilmiştir. Ekstrelerin DPPH. süpürücü aktivitesi; BHT, vitamin C, gallik asit ve kersetin gibi bilinen antioksidanların aynı konsantrasyonları ile karşılaştırılmıştır. Vitamin C ve gallik asit, ekstrelerin (O2-.) süpürücü kapasitesini karşılaştırmak için de kullanılmıştır. Ekstrelerin çoğu dikkate değer DPPH. süpürücü etki göstermiştir.

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Cite This Article

ÇÖLKESEN, A., AYDIN, A., IŞIMER, A., ORHAN, İ., ŞENER, B. (2006). Türkiye'de şarap yapımında kullanılan beyaz ve kırmızı üzümlerden elde edilen tohum ekstrelerinin karşılaştırmalı serbest radikal süpürücü kapasitesi. Turkish Journal of Pharmaceutical Sciences, Cilt: 3 - Sayı: 3, 177–185. https://ajindex.com/articles/403859

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