Effect of Pretreatments and Solar Tunnel Dryer Zone on Drying Characteristics and Stability of Pumpkin (Cucurbita maxima) Slices

Table 4

Curve fitting criteria for the various mathematical models and parameters for pumpkin slice dried at zone III.

Pretreatments	Models	Constants				(%)
Control	Logarithmic	, ,	0.98994	0.00257	0.04534	21.19
	Henderson and Babi’s	, k =0.0102	0.96619	0.00351	0.05623	13.17
	Lewis		0.97312	0.00569	0.07544	17.45
	Page	,	0.99157	0.00190	0.04156	21.35
	Two-term exponential	,	0.99774	0.00051	0.02144	12.96
	Diffusion approximation	, ,	0.99844	0.00039	0.01782	9.59
	Mindili et al.	, , ,	0.99083	0.00112	0.02806	7.32
1% citric acid; 2% salt	Logarithmic	, ,	0.98227	0.00457	0.05856	25.06
	Henderson and Babis	,	0.97300	0.00331	0.05425	13.65
	Lewis		0.99919	0.00011	0.01062	4.96
	Page	,	0.97449	0.00552	0.06946	26.59
	Two-term exponential	,	0.99530	0.00103	0.03004	9.45
	Diffusion approximation	, ,	0.99920	0.00021	0.01239	7.59
	Mindili et al.	, , ,	0.96406	0.01088	0.08247	10.33
	Logarithmic	, ,	0.99104	0.00198	0.03985	18.03
	Henderson and Babis	,	0.97780	0.00238	0.04626	9.93
	Lewis		0.98088	0.003498	0.05914	12.56
	Page	,	0.99306	0.001367	0.03508	11.45
	Two-term exponential	,	0.99750	0.00049	0.02100	8.44
	Diffusion approximation	, ,	0.99810	0.00042	0.01832	7.14
	Mindili et al.	, , ,	0.99585	0.00105	0.02706	11.13
1% salt blanched	Logarithmic	, ,	0.99908	0.00017	0.01134	5.01
	Henderson and Babi’s	,	0.99859	0.00015	0.01157	4.56
	Lewis	,	0.99913	0.00011	0.01062	4.96
	Page	,	0.99905	0.00015	0.01136	5.14
	Two-term exponential	,	0.99901	0.00016	6.12310^-5	4.40
	Diffusion approximation	, ,	0.99919	6.86110^-5	0.00775	3.84
	Mindili et al.	, , ,	0.99813	0.00042	0.01107	5.07