Formulating products to have both the correct functional and sensory attributes can be a difficult task. The latter in particular relies heavily on user feedback which can take considerable time and effort to attain. In addition it is not always easy to interpret such feedback in the context of material properties and hence rheological data.
To use rheology as a tool for evaluating product texture it is important to understand which rheological test mode best mimics the particular application and also the most appropriate parameters to use in that test.
This application note shows how an amplitude sweep test can be used to provide important information relating to a materials textural properties such as stiffness, springiness, structural strength and brittleness.
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