Table 2.

Statistical results obtained from different thin layer drying models

Model	Pre-treatment	Drying air temperature												Residual plot type
		55 °C			60 °C			65 °C			70 °C
		R2	χ2	RMSE	R2	χ2	RMSE	R2	χ2	RMSE	R2	χ2	RMSE
Lewis	C	0.96	0.0040	0.063	0.95	0.0053	0.07	0.96	0.0037	0.060	0.96	0.0037	0.061	Random
	HW	0.98	0.0015	0.040	0.98	0.0019	0.04	0.99	0.0010	0.030	0.98	0.0019	0.043
	SM	0.96	0.0040	0.063	0.98	0.0019	0.04	0.97	0.0025	0.048	0.98	0.0020	0.042
	MW	0.96	0.0032	0.058	0.96	0.0036	0.06	0.97	0.0031	0.055	0.96	0.0040	0.063
Page	C	0.99	0.0006	0.025	0.99	0.0006	0.02	1.00	0.0003	0.018	1.00	0.0002	0.013	Random
	HW	1.00	0.0354	0.090	1.00	0.0181	0.10	1.00	0.0072	0.104	1.00	0.0200	0.107
	SM	1.00	0.0003	0.018	1.00	0.0003	0.02	1.00	0.0001	0.008	1.00	0.0001	0.009
	MW	0.99	0.0005	0.024	1.00	0.0005	0.02	1.00	0.0003	0.016	0.99	0.0005	0.023
Henderson & Pabis	C	0.97	0.0028	0.052	0.96	0.0037	0.06	0.98	0.0024	0.048	0.98	0.0023	0.048	Random
	HW	0.99	0.0008	0.030	0.99	0.0012	0.03	0.99	0.0006	0.024	0.99	0.0012	0.034
	SM	0.97	0.0025	0.050	0.98	0.0013	0.04	0.98	0.0015	0.037	0.99	0.0012	0.032
	MW	0.97	0.0023	0.050	0.97	0.0026	0.05	0.98	0.0021	0.045	0.97	0.0029	0.053
Wang & Singh	C	1.00	0.0046	0.085	1.00	0.0541	0.09	1.00	0.0153	0.095	1.00	0.0262	0.101	Random
	HW	1.00	0.0003	0.018	1.00	0.0000	0.01	1.00	0.0000	0.003	1.00	0.0002	0.012
	SM	1.00	0.0004	0.020	1.00	0.0000	0.01	1.00	0.0002	0.014	1.00	0.0002	0.013
	MW	1.00	0.0002	0.013	1.00	0.0001	0.01	1.00	0.0002	0.012	1.00	0.0003	0.017
Approx diffusion	C	0.96	0.0040	0.063	0.95	0.0054	0.07	0.99	0.0007	0.025	1.00	0.0005	0.021	Random
	HW	0.98	0.0015	0.040	0.98	0.0019	0.04	1.00	0.0001	0.008	1.00	0.0003	0.016
	SM	0.96	0.0040	0.063	0.98	0.0019	0.04	1.00	0.0002	0.012	1.00	0.0001	0.010
	MW	0.96	0.0032	0.058	0.96	0.0037	0.06	1.00	0.0005	0.021	0.99	0.0009	0.029
Modified page	C	0.96	0.0041	0.063	0.95	0.0054	0.07	0.96	0.0037	0.060	0.96	0.0038	0.061	Random
	HW	0.98	0.0015	0.040	0.98	0.0019	0.04	0.99	0.0010	0.030	0.98	0.0019	0.043
	SM	0.96	0.0040	0.063	0.98	0.0020	0.04	0.97	0.0026	0.048	0.98	0.0020	0.042
	MW	0.96	0.0032	0.058	0.96	0.0037	0.06	0.97	0.0031	0.055	0.96	0.0041	0.063
Hii et al	C	1.00	0.0004	0.020	1.00	0.0003	0.02	1.00	0.0002	0.014	1.00	0.0001	0.009	Random
	HW	1.00	0.0001	0.011	1.00	0.0001	0.01	1.00	0.0001	0.007	1.00	0.0001	0.011
	SM	1.00	0.0001	0.012	1.00	0.0002	0.01	1.00	0.0000	0.006	1.00	0.0000	0.006
	MW	1.00	0.0001	0.012	1.00	0.0002	0.02	1.00	0.0001	0.011	1.00	0.0002	0.012
Verma	C	0.97	0.0027	0.052	0.96	0.0036	0.06	0.98	0.0023	0.047	0.98	0.0021	0.046	Random
	HW	0.99	0.0008	0.029	0.99	0.0012	0.03	0.99	0.0006	0.023	0.99	0.0011	0.032
	SM	0.97	0.0024	0.049	0.98	0.0012	0.03	0.98	0.0013	0.035	0.99	0.0011	0.031
	MW	0.98	0.0023	0.049	0.97	0.0025	0.05	0.98	0.0020	0.043	0.97	0.0027	0.052

C control samples, HW hot water blanched, SM steam blanched, MW microwave Blanched