Antioxidant Composition of a Selection of Italian Red Wines and Their Corresponding Free-Radical Scavenging Ability
المؤلفون المشاركون
Osella, Domenico
Cassino, Claudio
Gianotti, Valentina
Bonello, Federica
Tsolakis, Christos
Cravero, Maria Carla
المصدر
العدد
المجلد 2016، العدد 2016 (31 ديسمبر/كانون الأول 2016)، ص ص. 1-8، 8ص.
الناشر
Hindawi Publishing Corporation
تاريخ النشر
2016-04-28
دولة النشر
مصر
عدد الصفحات
8
التخصصات الرئيسية
الملخص EN
This study correlates the antioxidant composition profiles and the overall antioxidant capacities of 36 Italian red wine samples.
The samples were fully characterized by chromatographic and spectrophotometric techniques.
The overall antioxidant capacity was determined by titrating a solution of the semistable free radical DPPH (1,1-diphenyl-2-picrylhydrazyl) with each wine sample followed by Electron Paramagnetic Resonance (EPR) spectroscopy and then measuring the resulting decrease in DPPH-signal.
The antioxidant activities of the samples were expressed as (+)-catechin equivalents and related to their antioxidant composition profiles.
Samples with a high polyphenol content showed a high DPPH scavenging ability as well.
Seven well-defined groups, mainly constituted by wines coming from the same cultivar, were evidenced by PCA analysis.
Alcohol content and pH did not influence the wine DPPH scavenging ability.
The most important variables contributing to the wines’ antioxidant power are total flavonoid, total phenol, and proanthocyanidin indices together with fertaric acid, trans-caftaric acid, trans-coutaric acid, and both quercetin glucoside and quercetin glucuronide.
EPR is demonstrated to be faster than the other analytical methods (spectrophotometric and chromatographic analyses) to determine the wine overall antioxidant activity.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Cassino, Claudio& Gianotti, Valentina& Bonello, Federica& Tsolakis, Christos& Cravero, Maria Carla& Osella, Domenico. 2016. Antioxidant Composition of a Selection of Italian Red Wines and Their Corresponding Free-Radical Scavenging Ability. Journal of Chemistry،Vol. 2016, no. 2016, pp.1-8.
https://search.emarefa.net/detail/BIM-1107666
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Cassino, Claudio…[et al.]. Antioxidant Composition of a Selection of Italian Red Wines and Their Corresponding Free-Radical Scavenging Ability. Journal of Chemistry No. 2016 (2016), pp.1-8.
https://search.emarefa.net/detail/BIM-1107666
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Cassino, Claudio& Gianotti, Valentina& Bonello, Federica& Tsolakis, Christos& Cravero, Maria Carla& Osella, Domenico. Antioxidant Composition of a Selection of Italian Red Wines and Their Corresponding Free-Radical Scavenging Ability. Journal of Chemistry. 2016. Vol. 2016, no. 2016, pp.1-8.
https://search.emarefa.net/detail/BIM-1107666
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references
رقم السجل
BIM-1107666
قاعدة معامل التأثير والاستشهادات المرجعية العربي "ارسيف Arcif"
أضخم قاعدة بيانات عربية للاستشهادات المرجعية للمجلات العلمية المحكمة الصادرة في العالم العربي
تقوم هذه الخدمة بالتحقق من التشابه أو الانتحال في الأبحاث والمقالات العلمية والأطروحات الجامعية والكتب والأبحاث باللغة العربية، وتحديد درجة التشابه أو أصالة الأعمال البحثية وحماية ملكيتها الفكرية. تعرف اكثر