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Article Dans Une Revue Journal of Agricultural and Food Chemistry Année : 2011

Dynamic MRI and Thermal Simulation To Interpret Deformation and Water Transfer in Meat during Heating

Sylvie Clerjon
Cyril Chevarin
Stéphane Portanguen
Alain Kondjoyan
J.-M. Bonny

Résumé

Understanding and controlling structural and physical changes in meat during cooking is of prime importance. Nuclear magnetic resonance imaging (MRI) is a noninvasive, nondestructive tool that can be used to characterize certain properties and structures both locally and dynamically. Here we show the possibilities offered by MRI for the in situ dynamic imaging of the connective network during the cooking of meat to monitor deformations between 20 and 75 °C. A novel device was used to heat the sample in an MR imager. An MRI sequence was developed to contrast the connective tissue and the muscle fibers during heating. The temperature distribution in the sample was numerically simulated to link structural modifications and water transfer to temperature values. The contraction of myofibrillar and collagen networks was observed at 42 °C, and water began to migrate toward the interfascicular space at 40 °C. These observations are consistent with literature results obtained using destructive and/or nonlocalized methods. This new approach allows the simultaneous monitoring of local deformation and water transfer, changes in muscle structure and thermal history.
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Dates et versions

hal-01191072 , version 1 (01-09-2015)

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Mustapha Bouhrara, Sylvie Clerjon, Jean-Louis Damez, Cyril Chevarin, Stéphane Portanguen, et al.. Dynamic MRI and Thermal Simulation To Interpret Deformation and Water Transfer in Meat during Heating. Journal of Agricultural and Food Chemistry, 2011, 59 (4), pp.1229-1235. ⟨10.1021/jf103384d⟩. ⟨hal-01191072⟩

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