Table 2.

ANOVA for the variables adjusted to the mixture optimisation design.

Independent factor	Moisture content (%)			aw			Encapsulation efficiency (%)			Hygroscopicity (%)			Carotenoid retention (%)			Vitamin E retention (%)			Oleic acid retention (%)
	SS	df	p-value Prob > F	SS	df	p-value Prob > F	SS	df	p-value Prob > F	SS	df	p-value Prob > F	SS	df	p-value Prob > F	SS	df	p-value Prob > F	SS	df	p-value Prob > F
Model	4.38 x 10−4	2	<0.0001	0.039	4	<0.0001	0.63	4	<0.0001	7.49 x 10−4	4	<0.0001	0.072	4	0.0005	0.026	3	0.0023	3.52 x 10−4	3	0.0002
Linear Mixture	1.72 x 10−4	1	<0.0001	3.10 x 10−3	1	<0.0001	0.051	1	0.0015	4.81 x 10−9	1	0.8787	2.85 x 10−3	1	0.1375	1.56 x 10−4	1	0.6689	4.67 x 10−5	1	0.0173
AB	2.62 x 10−4	1	<0.0001	0.018	1	<0.0001	0.58	1	<0.0001	4.06 x 10−5	1	<0.0001	9.61 x 10−4	1	0.3646	0.014	1	0.0022	1.01 x 10−4	1	0.0021
AB(A-B)	–	–	–	8.21 x 10−4	1	0.0001	5.37 x 10−5	1	0.8822	6.26 x 10−4	1	<0.0001	0.0095	1	0.1047	0.012	1	0.0040	2.05 x 10−5	1	0.0002
AB(A-B)2	–	–	–	3.64 x 10−3	1	<0.0001	0.11	1	0.0001	2.94 x 10−5	1	<0.0001	0.0590	1	<0.0001	–	–	–	–	–	–
Lack of Fit	1.89 x 10−5	4	0.3276	6.72 x 10−5	2	0.1257	9.63 x 10−3	2	0.1076	9.17 x 10−7	2	0.0686	0.0003	2	0.8973	8.43 x 10−5	3	0.9945	3.00 x 10−5	3	0.1127
Pure Error	1.97 x 10−5	6	–	6.75 x 10−5	6	–	8.74 x 10−3	6	–	6.36 x 10−7	6	–	0.0081	6	–	7.11 x 10−3	6	–	1.96 x 10−5	6	–
R2	0.92			1.00			0.97			1.00			0.90			0.78			0.88
R2-ajusted	0.90			0.99			0.96			1.00			0.84			0.71			0.84
Predicted R2	0.86			0.99			0.89			0.99			0.76			0.53			0.71

*SS = Sum of Squares, df = degrees of freedom.