Table 5.

Statistical significance of main factors (continuous (C) versus discontinuous (D) thermal-stressing methods (C/D), oil type and heating time (min), along with their three first-order interaction effects, obtained from an ANOVA analysis of the aldehydic LOP dataset (Model 1).

Factor	Alkenal Species (Signal k)	(Z)-2-Alkenals	n-Alkanals (Low mwt)	4-Oxo-n-Alkanals	n-Alkanals	(Z,E)-2,4-Alkadienals	4-Hydroperoxy-(E)-2-Alkenals	4-Hydroxy-(E)-2-Alkenals	4,5-Epoxy-(E)-Alkenals	(E,E)-2,4-Alkadienals	(E)-2-Alkenals
C/D	<0.0001	<0.0001	<0.0001	<0.0001	<0.0001	<0.0001	<0.0001	<0.0001	<0.0001	<0.0001	<0.0001
Oil	<0.0001	<0.0001	<0.0001	<0.0001	<0.0001	<0.0001	<0.0001	<0.0001	<0.0001	<0.0001	<0.0001
Time (min)	<0.0001	<0.0001	<0.0001	<0.0001	<0.0001	<0.0001	<0.0001	<0.0001	<0.0001	<0.0001	<0.0001
C/D × Oil	<0.0001	<0.0001	<0.0001	<0.0001	<0.0001	<0.0001	<0.0001	<0.0001	<0.0001	<0.0001	<0.0001
C/D × Time (min)	<0.0001	<0.0001	<0.0001	<0.0001	<0.0001	<0.0001	<0.0001	<0.0001	<0.0001	<0.0001	<0.0001
Oil × Time (min)	<0.0001	<0.0001	<0.0001	<0.0001	<0.0001	<0.0001	<0.0001	<0.0001	<0.0001	<0.0001	<0.0001