FAME Storage Time in an Optimized Natural Antioxidant Mixture

Table 7

Storage time (at 25°C), in days, obtained according to Rancimat method and simplex-centroid design of experiments.

Treatment	Mixture^a	Storage time/d	Equation^b	𝑅^2
1	(1; 0; 0)	483.33	T = −13.06 ln[ST] + 105.72	0.9808
2	(0; 1; 0)	127.29	T = −16.41 ln[ST] + 104.53	0.9896
3	(0; 0; 1)	361.94	T = −13.73 ln[ST] + 105.89	0.9936
4	(1/2; 1/2; 0)	326.40	T = −14.16 ln[ST] + 106.96	0.9963
5	(1/2; 0; 1/2)	190.22	T = −15.11 ln[ST] + 104.30	0.9997
6	(0; 1/2; 1/2)	275.68	T = −14.34 ln[ST] + 105.58	0.9828
7	(1/3; 1/3; 1/3)	366.14	T = −13.61 ln[ST] + 105.34	0.9621
8	(1/3; 1/3; 1/3)	304.82	T = −13.95 ln[ST] + 104.79	0.9826
9	(1/3; 1/3; 1/3)	387.61	T = −13.5 ln[ST] + 105.46	0.9653
Control	—	66.04	T = −13.81 ln[ST] + 82.87	0.9829

a(%rosemary; %oregano; %basil); ^b(𝑇: Temperature,°C; [ST]: Storage Time, d).