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The studies on the dynamics of the redox potential of systems and its relationship with the processes of protein and fat destruction in canned foods during their storage are fragmented and not systemized, which highlight their topicality. The aim of the research was to obtain the experimental data on the Eh values and physico-chemical indicators of canned food quality during storage in order to establish their possible correlation. It was shown that the dynamics of Eh, the content of free amino acids and fatty acid fractions in the canned products from beef and pork was different during storage. For example, a decrease in the Eh value and free amino acid content in the canned products from beef had a smooth character, while in the canned products from pork several periods were observed, which differed in the character of the change in the quality indicators.

A linear character of the changes in the proportion of fatty acid fractions during storage of the canned products from beef and pork was noticed. With that, both canned food items had an increase in the saturated fatty acid content at the concomitant decrease in the sum of mono- and polyunsaturated fatty acids. The value of an increase in the proportion of saturated fatty acids associated with the process of reduction of mono- and polyunsaturated fatty acids did not depend on the kind of meat in the canned foods and was on average 6%. A decrease in the pro￾portion of mono- and polyunsaturated fatty acids in the canned products from pork was about 4 times more intensive compared to the canned products from beef.

About the Author

V. B. Krylova
The V.M. Gorbatov All-Russian Meat Research Institute, Moscow
Russian Federation

doctor of technical sciences, pro- fessor, academician of the Russian Academy of Sciences, leading re- search scientist

109316, Moscow, Talalikhina str., 26

Ph.: 8 495 676–74–01


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For citation:

Krylova V.B. REDOX POTENTIAL AND DYNAMICS OF PROTEIN AND FAT DESTRUCTION DURING STORAGE OF CANNED MEAT IN PIECES. Theory and practice of meat processing. 2016;1(2):26-33. (In Russ.)

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