Analysis of variance (ANOVA) was carried out to determine whether the dielectric properties of peanuts were significantly
influenced by temperature and moisture content. Tables 5 and 6 show the ANOVA results for Eqs. (2)e(5) and Eqs. (6)e(9), respectively. The linear term and quadratic term of M had very strong effect on these models (p < 0.001). All the equations provided a good fit to the experimental data at the significance level of 0.0001 (p < 0.0001) and with a coefficient of determination of greater than 0.980. It suggested that these models were able to precisely predict the dielectric constant and loss factor for peanuts at any given moisture content between 10% and 30% w.b. and temperature range from 25 to 85 C at the four specific frequencies (27, 40, 915 and 2450 MHz). These models could also be used to estimate moisture and temperature-dependent dielectric properties in computer simulation