Rheological Characterization of Food Compositions
Summary
Rheological characterisation of food compositions encompasses the systematic analysis of flow and deformation under applied forces, revealing how structure at molecular, particulate and network levels governs macroscopic texture and processability. By employing rotational, capillary and oscillatory rheometry, researchers quantify parameters such as viscosity, yield stress, elastic and viscous moduli, and thixotropic recovery. These measurements inform equipment design, mixing, pumping and extrusion conditions, and underpin emerging technologies including 3D food printing and controlled-release delivery systems. Across diverse matrices—emulsions, gels, suspensions, doughs and complex multi-phase systems—the interplay of ingredients (polysaccharides, proteins, lipids) and their interactions determines viscoelastic response, stability against syneresis or phase separation, and sensory perception. Advanced modelling frameworks, from empirical constitutive equations to multiscale finite-element simulations, are increasingly integrated with rheometry to predict flow behaviour in processing lines and simulate mouthfeel dynamics. This global field supports innovations in healthier formulations, sustainable ingredient sourcing and tailored textures that meet consumer expectations while ensuring efficient industrial manufacture.
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Rheological Characterization of Food Compositions publication trend
The graph below shows the total number of articles in rheological characterization of food compositions across all publications each year (not limited to Nature Index journals).
Technical terms
Viscosity: A measure of a fluid’s resistance to gradual deformation by shear or tensile stress, often expressed as dynamic (shear) viscosity.
Yield stress: The minimum stress required to initiate irreversible flow in a material that behaves as a solid under lower stresses.
Shear-thinning (pseudoplasticity): A non-Newtonian behaviour wherein apparent viscosity decreases with increasing shear rate, common in polymeric and particulate foods.
Thixotropy: A time-dependent shear-thinning property in which a material’s structure breaks down under shear and rebuilds when left undisturbed.
References
- Rheological and Pipe Flow Properties of Chocolate Masses at Different Temperatures. Foods (2021).
- Physical characterization of the milk chocolate using whey powder. LWT (2022).
- White Chocolate with Resistant Starch: Impact on Physical Properties, Dietary Fiber Content and Sensory Characteristics. Molecules (2021).
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