Journal
FOOD CHEMISTRY
Volume 196, Issue -, Pages 76-82Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2015.09.026
Keywords
Cooked cured pork ham; Odour-active aroma compounds; Intramuscular fat; Sensory attributes
Funding
- LUCTA S.A.
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The influence of intramuscular fat content (high - HI versus low - LI) and fatty acid composition on pork cooked cured ham flavour was analysed by gas chromatography-olfactometry using nasal impact frequency (GC-O/NIF) and quantitative descriptive analysis (QDA). Potential relationships were studied by principal component analysis (PCA). Sixteen and fourteen odourants were identified by GC-O/NIF in LI and HI cooked hams, respectively. The two ham types differed in lipid oxidation odourants: polyunsaturated fatty acid (PUFA) derivatives hexanal, 1-octen-3-one and (E,E)-2,4-decadienal were higher in LI ham; while monounsaturated fatty acid (MUFA) derivative decanal was higher in HI. HI samples resulted in higher values for odour-active aroma compounds from Maillard reaction, which are related to roast flavour and a higher overall flavour liking. In summary, our results suggest that Maillard derived odour-active aroma compounds were partially inhibited in LI samples (high in PUFA), resulting in lower positive sensory ratings. (C) 2015 Elsevier Ltd. All rights reserved.
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