FAME Storage Time in an Optimized Natural Antioxidant Mixture

Table 4

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

Treatment	Mixture^a	Storage time/d	Equation^b	𝑅^2
1	(1; 0; 0)	310	T = −15.52 ln[ST] + 114.04	0.9987
2	(0; 1; 0)	535	T = −11.4 ln[ST] + 96.62	0.9969
3	(0; 0; 1)	242	T = −14.39 ln[ST] + 103.96	0.9776
4	(1/2; 1/2; 0)	363	T = −14.21 ln[ST] + 108.77	0.9993
5	(1/2; 0; 1/2)	189	T = −18.15 ln[ST] + 120.14	0.9846
6	(0; 1/2; 1/2)	237	T = −16.53 ln[ST] + 115.39	1
7	(1/3; 1/3; 1/3)	252	T = −17.31 ln[ST] + 120.70	0.9991
8	(1/3; 1/3; 1/3)	276	T = −16.65 ln[ST] + 118.56	0.9999
9	(1/3; 1/3; 1/3)	263	T = −16.98 ln[ST] + 119.62	0.9999
Control	—	239	T = −14.41 ln[ST] + 103.89	0.9926

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