A novel amperometric method for antioxidant activity determination using DPPH free radical

A new method for the determination of antioxidant activity based on the amperometric reduction of 2,2-diphenyl-1-picrylhydrazyl (DPPH) at the glassy carbon electrode is proposed. All experiments were done in three-electrode electrochemical cell at 140 mV vs. Hg 2Cl 2 | 3 M KCl using ethanolic soluti...

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Veröffentlicht in:	Bioelectrochemistry (Amsterdam, Netherlands) Netherlands), 2006-05, Vol.68 (2), p.175-180
Hauptverfasser:	Milardovic, Stjepan, Ivekovic, Damir, Grabaric, Bozidar S
Format:	Artikel
Sprache:	eng
Schlagworte:	Amperometric detection Antioxidant Antioxidants - analysis Antioxidants - chemistry Beverages - analysis Biosensing Techniques - methods Biphenyl Compounds - chemistry DPPH Electrochemistry - methods Electrodes Free Radicals Hydrazines - chemistry Picrates Tea - chemistry Trolox equivalent Vitaceae Wine - analysis
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