P (W) A B C D R2 200 1.3075 -1.1399 0.658 -0.1679 0.999 250 1.6120 -1.4102 0.7967 -0.1910 0.999 300 2.1517 -2.2570 1.3268 -0.2998 0.992 350 2.4086 -2.0564 1.099 -0.2658 0.995 400 3.3906 -4.179 2.9204 -0.7306 0.965 450 4.0522 -4.6663 3.0721 -0.7915 0.985 500 4.5821 -4.7721 2.7606 -0.6376 0.994

Table 3: Regression coefficients of effective moisture diffusivity for different microwave powers.