Comparative Study of Polyphenol Scavenging Activities Assessed by Different Methods

The effect of procyanidin solutions on superoxide anion radicals was studied with an enzymatic method and their EC50 values were determined. A comparative study of the results suggested that the free radical scavenger potential of these phenolic compounds closely depends on their chemical and stereo...

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Veröffentlicht in:	Journal of agricultural and food chemistry 1999-02, Vol.47 (2), p.425-431
Hauptverfasser:	Saint-Cricq de Gaulejac, Nathalie, Provost, Christian, Vivas, Nicolas
Format:	Artikel
Sprache:	eng
Schlagworte:	2,2-diphenyl-1-picrylhydrazyl radical analytical methods antioxidants Bepridil - analogs & derivatives Bepridil - chemistry Biflavonoids Biological and medical sciences Biphenyl Compounds Catechin - chemistry chemical methods chemical structure damage DNA DNA - chemistry DNA - drug effects DNA damage enzymatic methods Flavonoids free radical scavengers Free Radical Scavengers - chemistry free radicals General pharmacology grape seeds hydroxyl radical immunochemistry Indicators and Reagents Medical sciences Pharmacognosy. Homeopathy. Health food Pharmacology. Drug treatments phenolic compounds Phenols - chemistry Picrates Polymers - chemistry polyphenols Proanthocyanidins procyanidins Rosales - chemistry superoxide anion radicals Superoxides - chemistry tannins Tannins - chemistry Tannins - isolation & purification Wine - analysis wines Xanthine Oxidase - chemistry
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