Evidence for hydroxyl radical generation during lipid (linoleate) peroxidation |
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Authors: | Frenette Mathieu Scaiano Juan C |
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Institution: | Department of Chemistry, University of Ottawa, Ottawa, Ontario K1N 6N5, Canada. |
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Abstract: | The autoxidation of methyl linoleate in benzene at 37 degrees C by peroxyl radicals was found to generate hydroxyl radicals (.OH) from a secondary oxidation mechanism. The yield of hydroxyl radicals (approximately 2%) was determined by trapping these reactive radicals with benzene to give phenol. We propose that alphaC-H hydrogen abstraction from lipid hydroperoxides, the main autoxidation products, is the source of hydroxyl radicals. |
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