Journal
FOOD RESEARCH INTERNATIONAL
Volume 78, Issue -, Pages 124-130Publisher
ELSEVIER
DOI: 10.1016/j.foodres.2015.10.028
Keywords
Fatty adds; Validation; Dienes; Peroxides; Volatile compounds
Categories
Funding
- Brazilian National Research Council (CNPq) [476,063/2010-8]
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A new method for microwave assisted extraction (MAE) of meat lipids using a non-halogenated solvent and at low temperature was developed. The effect of microwave irradiation on lipid oxidation during extraction was verified by conjugated dienes, peroxide index, volatile compound (hexanal, pentanal and propanal) and fatty acid analyses. The method showed to be precise and accurate at comparison with Folch extraction and by validation with standard reference material. No changes occurred in the fatty acid composition and no lipid oxidation products were detected. The optimized and validated method was applied to meats with different lipid contents. The results showed that MAE can be used to study lipids from meat samples without the risk of chemical changes during the extraction process, allowing for automation, precision, accuracy, reduction in extraction time, lower cost, reductions in sample size and solvent consumption, hence producing fewer residues for the environment. (C) 2015 Elsevier Ltd. All rights reserved.
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