Table 2.

Estimated coefficients of the fitted quadratic equation for different response

Estimated coefficients
Factors	Lightness	PV, cP	WSI,%	WAI, g/g	OAA
β0	22.89	205.16	5.28	7.69	6.88
β1	2.24	2.85**	1.89	−0.16	0.01
β2	−2.52**	−31.96**	−2.73**	−0.18**	0.64**
β3	2.06	3.63**	1.04	−0.16	−0.29
β4	0.89**	−5.35**	2.17**	−0.13**	0.68**
β12	−0.01	0.25	−0.02	0.002	0.02
β13	−0.002	−0.14	0.01	0.002	0.01
β 14	0.04	−0.31	−0.08	0.0008	0.02
β23	0.02	0.34	0.01	0.0005	0.02
β24	−0.14*	−0.29	0.001	0.004	−0.06*
β34	0.005	0.26	−0.12	0.0002	0.008
β11	−0.05**	0.05	−0.03	0.003	−0.01
β22	−0.16**	1.05**	0.23*	0.004	−0.08**
β33	−0.05**	−0.08	−0.01	0.003	−0.005
β44	−0.09	0.33	0.22*	0.002	−0.07**
R2,%	89.04	92.01	82.31	88.87	86.21

** Significant at p ≤ 0.01, *Significant at p ≤ 0.05, PV Peak viscosity, WSI Water solubility index, WAI Water absorption index, OAA Overall acceptability