Table 2.

Coefficient of regression for Dependent Variables of Corn and Green BF extrusion

Terms	Raw extrudates			Fried extrudates
	L*	a*	b*	L*	a*	b*
Constant	56.7117	5.08615	23.2831	54.4719	6.34031	21.8705
BF	2.0645**	−0.60475**	−3.7365**	−3.763**	−0.49725**	−5.4038**
SS	0.7308**	0.06042	−0.2267	0.7242**	−0.13875*	0.4462
Ext. temp.	−0.6950**	−0.38688**	0.5288	−0.4531	−0.52938**	−0.2375
BF × BF	0.0375	−0.14156	−0.8156	0.2869	−0.26156*	0.0553
Ext. temp. × Ext. temp.	0.7750**	−0.14063	−1.1938*	−0.8419	0.51938**	−0.1425
BF × SS	0.0305	−0.21275*	−0.271	0.5125	−0.02825	0.1273
BF × Ext. temp.	−0.2257	0.05138	−0.6315	−0.6131	−0.15787*	−0.816
SS × Ext. temp	0.3100*	−0.13313	−0.2188	−0.3294	0.15813*	−0.2388
R2 (%)	95.8	88.3	87.2	93.4	94.0	93.2

*p ≤ 0.05; **p ≤ 0.005