Table 2.

Analysis of variance of the quadratic polynomial model for SDF%, functional and physical properties

Source of variance	Soluble fiber (%)		WAI (g/g)		WSI (%)		SI(mL/g)		OAI (g/g)
	F	P	F	P	F	P	F	P	F	P
Quadratic model	18.9	< 0.0001	11.53	0.0012	70.40	< 0.0001	20.02	< 0.0001	261.20	< 0.0001
Moist (A)	5.57	0.0399	6.92	0.0302	10.71	0.0136	9.94	0.0103	253.01	< 0.0014
Screw speed (B)	20.97	0.001	8.57	0.0191	112.58	< 0.0001	17.67	0.0018	962.08	< 0.0001
Temp (C)	4.96-E003	0.9425	0.044	0.8388	0.029	0.8688	0.4	0.5425	4.5	0.0716
A2	18.1	0.0017	15.17	0.0046	74.61	< 0.0001	13.17	0.0017	496.88	< 0.0001
B2	52.2	< 0.0001	40.53	0.0002	368.45	< 0.0001	57.65	< 0.0001	298.95	< 0.0001
C2	8.91	0.0137	4.71	0.0617	8.52	0.0224	13.17	0.0046	5.24	0.0224
AB			7.32	0.268	9.52	0.0177			114.17	< 0.0011
AC			3.36	0.1039	5.05	0.05			139.47	< 0.0021
BC					13.87	0.0074			18.59	0.0074
R2	0.95		0.92		0.98		0.92		0.98
Radj2	0.89		0.84		0.97		0.87		0.97

Source of variance	L*		a *		b*		ΔE
	F	P	F	P	F	P	F	P
Quadratic model	23,888.7	< 0.0001	128.1	< 0.0001	1376.3	< 0.0001	5274.3	< 0.0001
Moist (A)	30,900.7	< 0.0001	79.7	< 0.0001	818.3	0.0004	6029.8	< 0.0001
Screw speed (B)	48,540.3	< 0.0001	33.60	0.0004	222.4	< 0.0001	7040.1	0.0003
Temp (C)	16,738.8	0.0005	536.5	0.0003	3477.7	< 0.0001	60,308.3	0.0018
A2	19,770.6	< 0.0001	8.8	0.0176	1272.4	< 0.0001	4945.4	< 0.0001
B2	54,339.7	< 0.0001	149.7	< 0.0001	676.8	< 0.0001	9148.3	0.0002
C2	18,086.6	0.0015	19.23	0.0023	4499.5	< 0.0001	7755.1	0.0015
AB	2122.7	< 0.0001	109.2	0.0003	242.6	0.0005	655.8	0.0023
AC	9691.4		90.7	0.0021	496.5	0.0003	2158.6	< 0.0001
BC	4984.6				76.7	0.0023	913.6	0.0004
R2	0.98		0.95		0.97		0.97
Radj2	0.97		0.90		0.95		0.94