Table 4.

Parameters of rehydration kinetics of instant rice estimated by Peleg Model and Singh and Kulshrestha Model

Treatment	Peleg model					Singh and Kulshrestha model
	k1	k2	R2	RMSE	χ2	k	me	R2	RMSE	χ2
PB1509
W/O S	0.009	0.003	0.984	9.691	4.030	0.440	304.210	0.971	14.217	6.390
W S	0.008	0.003	0.980	11.071	5.491	0.583	286.920	0.966	15.041	7.248
SC 0.5%	0.004	0.003	0.995	6.671	1.314	0.571	417.800	0.993	8.830	1.714
SC 1.0%	0.003	0.002	0.987	13.043	4.492	0.500	477.230	0.981	15.892	5.196
SC 1.5%	0.005	0.002	0.994	7.268	1.613	0.400	455.680	0.992	9.737	2.360
CC 0.5%	0.003	0.002	0.999	3.156	0.240	0.724	477.380	0.999	3.188	0.183
CC 1.0%	0.002	0.002	0.999	4.676	0.411	0.840	477.260	0.999	3.502	0.220
CC 1.5%	0.003	0.002	0.998	8.505	1.585	0.656	477.360	0.994	9.522	1.765
JR
W/O S	0.003	0.003	0.998	3.282	0.253	0.844	371.440	0.998	4.085	0.398
WS	0.002	0.003	0.999	4.223	0.408	0.813	385.620	0.999	3.931	0.326
SC 0.5%	0.004	0.003	0.991	9.589	2.684	0.610	401.070	0.988	10.992	3.187
SC 1.0%	0.004	0.003	0.990	9.833	2.836	0.595	401.070	0.987	11.545	3.463
SC 1.5%	0.004	0.003	0.991	9.484	2.687	0.581	401.120	0.988	11.077	3.166
CC 0.5%	0.006	0.002	0.997	6.235	1.224	0.269	556.580	0.995	7.374	1.466
CC 1.0%	0.002	0.003	0.997	6.469	0.983	1.739	371.470	0.997	6.856	1.054
CC 1.5%	0.002	0.003	0.995	4.462	0.431	1.083	385.710	0.998	4.908	0.485

W/OS, Without soaking; WS, With soaking; SC, Sodium citrate; CC, Calcium chloride; k, Rate constant; k₁, Peleg rate constant; k₂, Peleg capacity constant; m_e, Equilibrium moisture constant; R², Coefficient of determination; RMSE, Root mean square error