Applicability of a new rheological measurement device

What is it about?

The Foodtexture Puff Device (FPD) is a noncontact rheological measurement device, which applies an air pulse on the sample and measures the subsequent deformation of the sample surface with a laser distance sensor. The deformation behavior is considered as a measure for the rheological properties of the sample. The applicability of this device was studied for use on a broad range of viscous food products. The results obtained with the FPD is strongly correlated to the viscosity. Hence, the FPD is well suited for measurements on viscous systems. It is capable of providing accurate, noncontact, fast, easy and nondestructive rheological measurements on food products.

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Why is it important?

This article deals with a NEW, objective measurement device for rheological characterization of food products. No sample preparation is needed and inline applications are possible, due to the very fast measurement (1 to 2 seconds).