![]() ![]() Each substance will have a different rupture point. Finally, the force will cause the food to split, crack, or break at a point known as rupture. At this point, the change in shape of the object is permanent. That is, when the first units of force are applied to a solid food object, the resulting amount of deformation increases equally with each addition of force.Įventually, with continued force, the object will reach the yield point, where deformation continues without the input of additional force. ![]() The relationship between the addition of force and the amount of deformation is linear in the beginning. A force is an energy exerted on a substance that causes a change in shape or direction of the substance.Ī force can change the shape of a solid food product or direct the flow of a liquid one. Deformation is a permanent change in the shape of an object due to the addition of force. With solid food, such as fresh fruits and vegetables, scientists study the effects of deformation on the food products. The science of rheology deals not only with liquid food but with solid food as well. ![]() In this article we will discuss about the rheological properties of food. ![]()
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