Journal
FOOD CHEMISTRY
Volume 213, Issue -, Pages 115-122Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2016.06.061
Keywords
Nduja of Spilinga; Biogenic amines; Fatty acids; Packaging; Food quality; Food safety
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The study evaluated the fatty acids and the biogenic amines (BAs) in 'Nduja of Spilinga stored in different packaging materials (i.e. natural casing under vacuum, glass jar, aluminum tube and OVTENE (R)) during 15 months of shelf-life. Raw materials and pepper mixture were analysed as well. BAs concentrations increased with time, tyramine (TYR), putrescine (PUT) and cadaverine (CAD) were the most abundant. BAs in natural casing were always higher than those found in glass jar, aluminum tube and OVTENE (R). Total fatty acids were characterized by higher level of unsaturated fatty acid that decreased with time (glass jar > natural casing under vacuum > aluminum tube > OVTENE (R)). The reduction of PUFA is the consequence of the increase of peroxides and carbonyls reacting with amino acids to form BAs. This was confirmed by Pearson's correlation matrices implying that lipid oxidation processes were in some way linked to the chemical production of BAs. (C) 2016 Elsevier Ltd. All rights reserved.
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