Microwave Drying Modelling of Stevia rebaudiana Leaves Using Artificial Neural Network and Its Effect on Color and Biochemical Attributes

Table 2

Calculated effective moisture diffusivity values and specific energy consumption for microwave drying of Stevia leaves.

Microwave power level (W)	Effective moisture diffusivity				SEC (MJ/kg water)
	Slope	D eff (m^2/s)	R^2	Adjusted R-square
180	0.00516		0.9920	0.9919	8.14 ± 0180^c
360	0.00828		0.9920	0.9920	9.77 ± 0.29^a
540	0.01768		0.9320	0.9319	8.94 ± 0.15^b
720	0.02681		0.9859	0.9858	8.68 ± 0.21^b
900	0.04521		0.9967	0.9966	6.78 ± 0.23^d

SEC:  specific energy consumption and values with same superscript letters in the same column are nonsignificant at .