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Amino Acid Degradations Produced by Lipid Oxidation Products

AuthorsHidalgo, Francisco J. CSIC ORCID ; Zamora, Rosario CSIC ORCID
KeywordsLipid oxidation
Carbonyl–amine reactions
Flavor formation
Maillard reaction
Strecker aldehydes
Issue Date2016
PublisherTaylor & Francis
CitationCritical Reviews in Food Science and Nutrition 56: 1242- 1252 (2016)
AbstractDifferently to amino acid degradations produced by carbohydrate-derived reactive carbonyls, amino acid degradations produced by lipid oxidation products are lesser known in spite of being lipid oxidation a major source of reactive carbonyls in food. This article analyzes the conversion of amino acids into Strecker aldehydes, α-keto acids, and amines produced by lipid-derived free radicals and carbonyl compounds, as well as the role of lipid oxidation products on the reactions suffered by these compounds: the formation of Strecker aldehydes and other aldehydes from α-keto acids; the formation of Strecker aldehydes and olefins from amines; the formation of shorter aldehydes from Strecker aldehydes; and the addition reactions suffered by the olefins produced from the amines. The relationships among all these reactions and the effect of reaction conditions on them are discussed. This knowledge should contribute to better control food processing in order to favor the formation of desirable beneficial compounds and to inhibit the production of compounds with deleterious properties.
Identifiersdoi: 10.1080/10408398.2012.761173
issn: 1549-7852
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