Journal
MEAT SCIENCE
Volume 93, Issue 3, Pages 525-532Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.meatsci.2012.10.008
Keywords
Cantonese sausage; Lipid composition; Lipolysis; Lipid oxidation; Fatty acids
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Funding
- Science and Technology Program of Guangdong Province [2010B080701103, 2010A020104003]
- National Special Funds for Scientific Research on Public Causes of Agriculture [200903012]
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Lipid composition, fatty acid profile and lipid oxidative stability were evaluated during Cantonese sausage processing. Free fatty acids increased with concomitant decrease of phospholipids. Total content of free fatty acids at 72 h in muscle and adipose tissue was 7.341 mg/g and 3.067 mg/g, respectively. Total amount of saturated, monounsaturated and polyunsaturated fatty acids (SPA, MUFA, and PUFA) in neutral lipid exhibited a little change during processing, while the proportion of PUFA significantly decreased in the PL fraction. The main triacylglycerols were POO + SLO + OOO, PSO (P = palmitic acid, O = oleic acid, L = linoleic acid, S = stearic acid), and a preferential hydrolysis of palmitic, oleic and linoleic acid was observed. Phosphatidylcholines (PC) and phosphatidylethanolamines (PE) were the main components of phospholipids and PE exhibited the most significant degradation during processing. Thiobarbituric acid values (TBARS) increased while peroxide values and hexanal contents varied during processing. (c) 2012 Elsevier Ltd. All rights reserved.
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