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A. V. Alexeev, E. V. Proskurnina, Yu. A. Vladimirov

Determinationof antioxidantsbysensitizedchemiluminescence using 2,2¢-azo-bis(2-amidinopropane)

Abstract

For the determination of antioxidants, an analytical procedure was proposed based on chemiluminescence. The analytical system consists of a free-radicals generator 2,2¢-azo-bis(2-amidinopropane) and luminol as a chemiluminescence sensitizer in phosphate buffer solution (pH 7,4). The analytical conditions were optimized. The analytical procedure provides detection limits as low as (μM) for: trolox 0,05; ascorbic acid 0,20; quercetin 0,03; dihydroquercetin 0,03. The procedure was used for determination of antioxidants in food.
Moscow University Chemistry Bulletin.
2012, Vol. 53, No. 3, P. 187
   

Copyright (C) Chemistry Dept., Moscow State University, 2002
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