Polyphenol content,in vitrobioaccessibility and antioxidant capacity of widely consumed beverages
نویسندگان
چکیده
منابع مشابه
Comparison of antioxidant potency of commonly consumed polyphenol-rich beverages in the United States.
A number of different beverage products claim to have antioxidant potency due to their perceived high content of polyphenols. Basic and applied research indicates that pomegranate juice (PJ), produced from the Wonderful variety of Punica granatum fruits, has strong antioxidant activity and related health benefits. Although consumers are familiar with the concept of free radicals and antioxidant...
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Today plant foods and beverages are receiving more scientific attention because of their potential to curb the effect of free radicals in the human system. The present study reports on the antioxidant potentials of some plants foods and beverages consumed in the Eastern Region of Nigeria. The study made use of the ferric reducing antioxidant power, phenolic and the flavonoid contents assays to ...
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The purpose of this study was to analyze polyphenol rich beverages (vitamin enhanced waters (VEWs), fruit juices and berry juices) to determine free polyphenol concentrations and free polyphenols per Calorie based on a serving size. The Folin-Ciocalteu reagent was used in a colorimetric assay based on a catechin standard. Fruit and berry juices contained, on average, more than eight-times the c...
متن کاملComparison of peroxyl radical scavenging capacity of commonly consumed beverages.
The antioxidant potential of commercial beverages against peroxyl radical was determined using the Total Oxyradical Scavenging Capacity (TOSC) assay. Peroxyl radicals generated from thermal homolysis of 2,2'-azobis-amidinopropane oxidize alpha-keto-gamma-methiolbutyric acid to ethylene, which is monitored by gas chromatography. The TOSC of each beverage is quantified from its ability to inhibit...
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The antioxidant properties and polyphenol content of some selected aromatic plants grown in Greece were studied. Plants were refluxed with 60% methanol after acid hydrolysis. The phenolic substances were quantified by High Performance Liquid Chromatography-Diode Array Detector (HPLC-DAD). The antioxidant capacity of the extracts was determined with the Rancimat test using sunflower oil as subst...
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ژورنال
عنوان ژورنال: Journal of the Science of Food and Agriculture
سال: 2017
ISSN: 0022-5142
DOI: 10.1002/jsfa.8607