. 2013 Summer;3(3):238–247.

Table 1.

Peroxide value (g equiv. of O₂/100 g) of the samples during 60 days of storage at 25 ˚C

	Day
Sample	1	5	8	15	30	45	60
Z ₅₀₀	0.34±0.01^e	0.48±0.02^g	0.74±0.03^h	1.17±0.02^f	2.19±0.03^f	2.66±0.02^f	2.77±0.03^g
Z ₁₀₀₀	0.31±0.01^f	1.04±0.04^a	1.18±0.02^c	1.68±0.02^c	2.84±0.01^c	3.11±0.02^d	3.84±0.03^e
Z ₁₅₀₀	0.69±0.02^b	0.79±0.02^d	0.95±0.02^f	2.24±0.03^b	3.19±0.03^b	4.23±0.03^b	4.9±0.03^c
C ₅₀₀	0.34±0.02^e	0.67±0.02^fe	0.87±0.04^g	1.23±0.01^f	2.33±0.01^e	2.64±0.01^f	3.01±0.03^f
C ₁₀₀₀	0.22±0.02^g	0.68±0.02^e	1.11±0.02^d	1.22±0.01^f	2.46±0.01^d	3.79±0.02^c	3.96±0.02^d
C ₁₅₀₀	0.44±0.05^d	0.62±0.01^f	1.14±0.01^cd	1.57±0.01^d	1.99±0.02^g	2.25±0.01^h	2.25±0.01^h
BHA ₁₀₀	0.71±0.02^b	0.99±0.03^b	1.33±0.03^b	1.48±0.03^e	1.95±0.04^g	2.97±0.03^e	6.12±0.03^b
BHA ₂₀₀	0.59±0.02^c	0.89±0.03^c	1.06±0.01^e	1.19±0.02^f	1.64±0.02^h	2.45±0.05^g	4.85±0.05^c
Control	0.83±0.01^a	1.10±0.05^a	2.13±0.04^a	2.70±0.10^a	3.49±0.05^a	5.5±0.05^a	9.37±0.05^a

Z₅₀₀, Z₁₀₀₀, Z₁₅₀₀, C₅₀₀, C₁₀₀₀, and C₁₅₀₀: ZMEO and CZEO at concentrations of 500, 1000, and 1500 ppm in the cake, respectively. BHA₁₀₀ and BHA₂₀₀: BHA at concentrations of 100 and 200 ppm. Control: cakes without any antioxidant and preservative