Chemical Changes in Chilled Farmed Salmon (Oncorhynchus kisutch): Effect of Previous High Pressure Treatment

A. Rodríguez, I. Ortea, M. Trigo, Y. Sierra, J. M. Gallardo, G. Tabilo-Munizaga, M. Pérez-Won and S. P. Aubourg
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A. Rodríguez: Food Science and Chemical Technology Department, Universidad de Chile, Santiago, Chile
I. Ortea: Food Technology Department, Instituto de Investigaciones Marinas (CSIC), Vigo, Spain
M. Trigo: Food Technology Department, Instituto de Investigaciones Marinas (CSIC), Vigo, Spain
Y. Sierra: Food Science and Chemical Technology Department, Universidad de Chile, Santiago, Chile
J. M. Gallardo: Food Technology Department, Instituto de Investigaciones Marinas (CSIC), Vigo, Spain
G. Tabilo-Munizaga: Food Engineering Department, Universidad de Bío-Bío, Chillán, Chile; 4Food Engineering Department, Universidad de La Serena, La Serena, Chile, *E-mail: saubourg@iim.csic.es
S. P. Aubourg: Food Technology Department, Instituto de Investigaciones Marinas (CSIC), Vigo, Spain

Czech Journal of Food Sciences, 2009, vol. 27, issue SpecialIssue1, S20-S22

Abstract: Coho salmon (Oncorhynchus kisutch) has recently attracted a great interest as a farmed product. This research focuses on its commercialisation as a chilled product. Thus, the effect of a previous hydrostatic high pressure (HHP) treatment on chemical changes related to quality loss was studied. A marked effect of HHP treatment was observed on lipid hydrolysis (free fatty acid formation), lipid oxidation (primary, secondary and tertiary compounds) and protein breakdown (sarcoplasmic fraction) throughout the chilling storage; however, no influence could be observed on nucleotide degradation and polyene index. Sensory analysis (putrid and amine odour development) showed a profitable effect of HHP on chilled salmon quality; however, no effect could be concluded on rancid odour development.

Keywords: Coho salamon; high pressure; chilling; proteins; lipids; nucleatides (search for similar items in EconPapers)
Date: 2009
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlcjf:v:27:y:2009:i:specialissue1:id:630-cjfs

DOI: 10.17221/630-CJFS

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