Determination of Fat-Soluble Antioxidants by Galvanostatic Coulometry Using Electrogenerated Oxidants |
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| Authors: | I F Abdullin E N Turova G K Ziyatdinova G K Budnikov |
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| Institution: | (1) Department of Chemistry, Kazan State University, ul. Kremlevskaya 18, Kazan, Tatarstan, 420008, Russia |
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| Abstract: | It was found that vitamin E reacts with electrogenerated chlorine and bromine, as well as with silver (I) and vanadium(V) in the ratio 1 : 1 to form  -tocopherylquinone. Vitamin A reacts with electrogenerated halogens in the ratio 1 : 3. Individual fat-soluble antioxidants were determined in model solutions at the milligram level with RSD between 1 and 4%. The bromine-scavenging antioxidant capacity of some vegetable oils and animal fats was evaluated. |
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