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. 2017 Jan;16(1):141-159.
doi: 10.1111/1541-4337.12243. Epub 2016 Nov 24.

Cooking-Induced Protein Modifications in Meat

Tzer-Yang Yu  1   2 , James D Morton  2   3 , Stefan Clerens  1   3 , Jolon M Dyer  1   4   2   3
Affiliations

Cooking-Induced Protein Modifications in Meat

Tzer-Yang Yu et al. Compr Rev Food Sci Food Saf. 2017 Jan.

Abstract

Food ingredients commonly undergo heat treatment. Meat, in particular, is typically consumed after some form of heating, such as boiling or roasting. Heating of meat can introduce a wide range of structural changes in its proteinaceous components. At the 3-dimensional structural level, meat proteins may denature and form aggregates upon heating. At the molecular level, primary structure (amino acid residue) alterations reported in cooked meat include protein carbonylation, modification of aromatic residues, and the formation of Maillard reaction products. Identification of these modifications is essential for determining the mechanism of thermal processing of meat and allowing better control of the nutritional and functional properties of products. This article reviews and summarizes the current state of understanding of protein modifications at the molecular level in commonly consumed mammalian food. In addition, relevant case studies relating to characterization of heat-induced amino acid residue-level modifications in other biological materials such as milk and wool are discussed to provide complementary insights.

Keywords: cooking; heating; meat; protein aggregation; protein modifications.

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