Journal
MEAT SCIENCE
Volume 107, Issue -, Pages 12-19Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.meatsci.2015.04.004
Keywords
Maillard reaction; Strecker degradation; Beef; Volatile compounds; Aging
Categories
Funding
- National Agriculture and Food Research Organization (NARO) [120]
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Volatiles in the headspace of beef cooked at 180 degrees C were analyzed using solid-phase microextraction (SPME) and gas chromatography-mass spectrometry (GC-MS), and the effects of aging were evaluated. Seventy volatile substances including non-aromatic, homocyclic, and heterocyclic compounds were identified. A significant positive regression model for storage could be adopted for toluene, benzeneacetaldehyde, 2-formylfuran, pyrazine, 2,6-dimethylpyrazine, 2,3-dimethylpyrazine, 2-acetylthiazole, and 2-formyl-3-methylthiophene. Increases in the quantity of these compounds, with the exception of toluene, suggest the importance of the Strecker and Maillard reactions in cooked meat previously aged under vacuum conditions. As such, the aging process may lead to an increase not only in the amount of compounds related to the taste of meat, but also in the quantity of odor-active compounds. The increased quantity of toluene during storage seemed to be influenced by lipid oxidation. (C) 2015 Elsevier Ltd. All rights reserved.
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