This will give more generalized model and can be applied only for the ranges of temperature and concentration studied (R2 : 888). The predicted apparent viscosities by using Eq. (7) comparing with the experimental data (Table 2) are shown in Table 4. The results showed that the predicted values from Eq. (7) had small variation from experimental data. To decrease the error of the apparent viscosity evaluation, the experiments should be done at various levels of temperature and fat concentration