Table 4.

Analysis of variance for the experimental variables as main and interaction terms of each response variable and corresponding coefficients fitted for particle size (nm), zeta potential (ZP), trolox equivalent antioxidant capacity (TEAC), particle size increase (%) and trolox equivalent antioxidant capacity (TEAC) loss (%).

Responses Interaction Effects	Significant Level								Main Effects
		X1	X2	X3	X4	X1X2	X1X3	X1X4	X2X3	X2X4	X3X4
Particle size (nm)	P value	0.382 c	0.126 c	0.091 c	0.788 c	0.987 c	0.899 c	0.253 c	0.157 c	0.943 c	0.831 c
	F ratio	0.85	2.91	3.70	0.08	0.00	0.02	1.51	2.43	0.01	0.05
ZP (mV)	P value	0.000 a	0.004 b	0.000 a	0.001	0.910 c	0.217 c	0.191 c	0.876 c	0.836 c	0.480 c
	F ratio	149.33	16.06	47.24	25.89	0.01	1.79	2.04	0.03	0.05	0.55
TEAC (µM)	P value	0.003	0.000 a	0.007 b	0.345 c	0.391 c	0.821 c	0.303 c	0.312 c	0.535 c	0.065 c
	F ratio	17.43	277.21	12.92	1.01	0.82	0.05	1.21	1.16	0.42	4.58
Particle size increase (%)	P value	0.370 c	0.001 a	0.400 c	0.008	0.055 c	0.040 b	0.056 c	0.599 c	0.128 c	0.076 c
	F ratio	0.90	30.83	0.79	12.01	5.06	5.96	4.97	0.30	2.89	4.14
TEAC loss (%)	P value	0.428 c	0.707 c	0.828 c	0.036 b	0.016 a	0.451 c	0.610 c	0.053 c	0.912 c	0.432 c
	F ratio	0.70	0.15	0.05	6.38	9.37	0.63	0.28	5.15	0.01	0.68

X₁, X₂, X₃ and X₄ represent the main or single effect of mixed soy lecithin, squalene, cholesterol and Tween80, respectively. X₁X₂, X₁X₃, X₁X₄, X₂X₃, X₂X₄ and X₃X₄ represent the interaction between mixed soy lecithin and squalene, between mixed soy lecithin and cholesterol, between mixed soy lecithin and Tween80, between squalene and cholesterol, between squalene and Tween80, and between cholesterol and Tween 80, respectively. ^a The most significant (p < 0.05). ^b The least significant (p < 0.05). ^c Nonsignificant (p > 0.05).