Publication: Effects of sous vide vs grilling methods on lamb meat colour and lipid stability during cooking and heated display
Authors
Ortuño, Jordi ; Mateo, Leticia ; Rodríguez-Estrada, María ; Bañón, Sancho
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Publisher
Elsevier
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DOI
https://doi.org/10.1016/j.meatsci.2020.108287
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info:eu-repo/semantics/article
Description
©2020. This document is the Published, version of a Published Work that appeared in final form in Meat Science. To access the final edited and published work see https://doi.org/10.1016/j.meatsci.2020.108287
Abstract
The present study compared the effect of grilling (150 °C until 72 °C core temperature) and sous-vide (SV) cooking (75 °C for 35 min in a water bath under vacuum) on lamb patties immediately after cooking and after 4 h display at 65 °C. Both methods produced patties with similar (P > 0.05) weight loss, and moisture and fat contents. SV- cooking prevented (P < 0.05) the formation of thiobarbituric acid reactive substances (TBARS) and oxysterols compared to grilled patties, which showed a larger proportion of highly peroxidisable polyunsaturated fatty acids. Heated display induced dehydration, surface darkening and a reduction in the hexanal/3-methylbutanal ratio, suggesting the progression of Maillard reactions. Moreover, TBARS and some lipid oxidation-derived volatiles increased (P < 0.001), while cooked-meat aroma compounds were reduced (P < 0.001). SV-cooking inhibited (P < 0.05) the formation of malondialdehyde, and 7α- and 7β-hydroxycholesterol, and lowered the cholesterol oxidation ratio during heated display. Overall, SV-cooking may be considered way of cooking when lamb meat is to be kept warm for considerable periods before consumption.
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Citation
Meat Science Volume 171, January 2021, 108287
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