Changes in the 1H NMR metabolic profile of mussels (Mytilus galloprovincialis) with storage at 0°C
PISANO, MARIA BARBARA;SCANO, PAOLA;COSENTINO, SOFIA;CESARE MARINCOLA, FLAMINIA
2015-01-01
Abstract
This study investigated the chemical and microbiological changes of mussels (Mytilus galloprovincialis) during storage at 0°C for 7 days. The time-related metabolic signature of mussels was characterized by Nuclear Magnetic Resonance (NMR) spectroscopy and analysed by orthogonal partial least squares discriminant analysis (OPLS-DA). The OPLS-DA models evidenced significant alterations in the concentration of amino acids, organic acids, and osmolites: taurine, homarine, and betaine were reduced over time, whereas acetate, alanine, glycine, succinate, and trimethylamine were elevated with respect to fresh mussels. All of these changes reflected the presence of microorganism development under cold storage conditions.File | Size | Format | |
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