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The key odorants contributing to the warmed-over flavor (WOF) of reheated precooked stewed beef were characterized using a sensomics approach. Overall, 36 odorants were identified, and based on flavor dilution factors, odor activity values, aroma recombination, and omission test, 11 compounds mainly derived from lipid oxidation were characterized as the key odorants contributing to the formation of WOF. In particular, 3-(methylthio)propanal, which was positively correlated with meaty aroma, was implicated in an overall increase in WOF. Thus, these odorants were elected as potential markers of WOF in the reheated precooked stewed beef. In summary, the WOF of the precooked stewed beef could be attributed to an overall increase in lipid oxidation products and a decrease in the odorants with desirable aromas. The characterization of WOF in precooked stewed beef will aid in the flavor quality control of precooked stewed beef dishes.
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http://dx.doi.org/10.1016/j.fochx.2024.101654 | DOI Listing |
Foods
August 2025
College of Food Science and Engineering, Inner Mongolia Agricultural University, Hohhot 010018, China.
Ready-to-eat meat products face quality challenges during storage and reheating. This study aimed to (i) characterize the physicochemical/microbiological changes in stewed mutton during storage (4 °C/-18 °C, 0-28 days) and (ii) evaluate reheating methods (boiling vs. microwaving) on day-7 samples.
View Article and Find Full Text PDFFoods
March 2025
School of Food and Tourism, Shanghai Urban Construction Vocational College, Shanghai 201415, China.
Traditional tomato-braised beef brisket with potatoes is celebrated for its rich, complex flavors and culinary appeal but requires lengthy preparation. Pre-packaged versions of the dish rely on thermal sterilization for safety; however, high-temperature processing accelerates protein and lipid oxidation, thereby compromising its sensory quality. As the demand for ready-to-eat meals grows, the food industry faces the challenge of ensuring microbial safety while preserving flavor integrity.
View Article and Find Full Text PDFFood Chem
May 2025
Unit of Food Science and Formulation, University of Liège, Gembloux Agro-Bio Tech, Passage des Déportés, 2B, 5030 Gembloux, Belgium.
The role of lipids in the formation and development of warmed-over flavor (WOF) in precooked Chinese stewed beef was investigated using lipidomics. Fourteen predominant odorants (relative odor activity value ≥1) were identified in the reheated stewed beef. A total of 1236 lipids were detected in cooked and reheated stewed beef.
View Article and Find Full Text PDFFood Chem X
October 2024
Unit of Food Science and Formulation, University of Liège, Gembloux Agro-Bio Tech, Passage des Déportés, 2B, 5030 Gembloux, Belgium.
The key odorants contributing to the warmed-over flavor (WOF) of reheated precooked stewed beef were characterized using a sensomics approach. Overall, 36 odorants were identified, and based on flavor dilution factors, odor activity values, aroma recombination, and omission test, 11 compounds mainly derived from lipid oxidation were characterized as the key odorants contributing to the formation of WOF. In particular, 3-(methylthio)propanal, which was positively correlated with meaty aroma, was implicated in an overall increase in WOF.
View Article and Find Full Text PDFRocz Panstw Zakl Hig
November 1999
Wydział Zywienia Człowieka oraz Gospodarstwa Domowego SGGW Zakład Technologii Gastronomicznej, Warszawa.
As chilled precooked dishes show limited to 3-5 days shelf life several additional factors have to be applied to extend it up to 21 or even 42 days as is sometimes allowed for sous vide technology products. Those factors comprise high hygienic standards for raw materials and premises as well as technological steps and parameters that efficiently destroy microbial contamination, and do not allow for recontamination or bacterial growth. Such steps include precooking which also means pasteurisation in high vacuum or anaerobic atmosphere in sealed pouches, blast chilling, low temperature storage parameters as well as high temperature of reheating process and quick serving procedures.
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