Abstract
ABSTRACTThe Lubricity Index (LI) is defined as a new parameter to quantitatively evaluate mouthfeel. Rheological data were collected using a helical ribbon mixer viscometer with commercial mayonnaise products. The LI is calculated from changes in apparent viscosity due to temperature and moisture variations that mirror those found in the mouth during mastication. The rate of change in apparent viscosity with moisture and temperature was much lower with a fat free product than regular products resulting in a low LI value. The LI provides a basis for future efforts to understand, and mathematically model, the complicated process of fluid food mastication.
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