Modeling Rheological Behavior of Beef based on Time-Dependent Deformation and Packaging

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Gazi University Journal of Science
Volume:35 Issue:3
Modeling Rheological Behavior of Beef based on Time-Dependent Deformation and Packaging

Modeling Rheological Behavior of Beef based on Time-Dependent Deformation and Packaging

Pages : 997-1008

View : 50 | Download : 16

Publication Date : 2022-09-01

Article Type : Research Paper

Abstract :Modeling of food deformation behavior is vital for structural characterization. This research was undertaken to study the rheological properties of beef by developing mathematical models for different packaging and temperature conditions. The rheological properties of the beef sample, packaged in a polyethylene insert ignore into journalissuearticles values(LD and HD); and aluminum foil insert ignore into journalissuearticles values(A foil);, were determined experimentally at -20oC and 5oC for 0‒ 60 days. Power law, Herschel-Bulkley and Tiu-Boger theories, formulated for a period-dependent deformation, were used to constitute the models. Results show that the deformation index varies in the range of 1< n< 3, indicating a nonNewtonian shear thickening behavior. Also, a better estimation of the deformation consistency, k was obtained using the Tiu-Boger theory for the A. Foil at 5oC and Herschel-Bulkley theory for the LD at -20oC. The models are significant with MSE <5% and R2 > 85%, suggesting their suitability for industrial scale-up prediction.
Keywords : Shear stress, Yield stress, Modelling, Packaging, Beef

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