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. 2013 Summer;3(3):238–247.

Table 3.

FFA content (% of oleic acid) of the cakes during 60 days of storage at 25 ˚C.

Day
Sample 1 5 8 15 30 45 60
Z 500 0.04±0.01d 0.10±.02b 0.12±0.03d 0.18±0.03bc 0.19±0.03e 0.23±0.03e 0.33±0.06d
Z 1000 0.08±0.03b 0.11±0.03a 0.18±0.03a 0.21±0.04ab 0.23±0.04d 0.27±0.05d 0.36±0.05d
Z 1500 0.04±0.01d 0.10±0.01b 0.16±0.04b 0.16±0.01c 0.21±0.03de 0.27±0.06d 0.32±0.04de
C 500 0.07±0.02bc 0.10±0.01b 0.12±0.02d 0.17±0.02bc 0.17±0.03f 0.22±0.03e 0.27±0.01f
C 1000 0.06±0.01c 0.12±0.02a 0.15±0.01bc 0.18±0.04bc 0.21±0.05de 0.23±0.04e 0.26±0.01f
C 1500 0.07±0.02bc 0.13±0.01a 0.17±0.03ab 0.19±0.02bc 0.22±0.04de 0.23±0.02e 0.28±0.03ef
BHA 100 0.07±0.01bc 0.11±0.02ab 0.13±0.02d 0.18±0.03bc 0.87±0.05c 3.31±0.4c 8.02±0.5b
BHA 200 0.10±0.01a 0.11±0.03ab 0.12±0.01d 0.19±0.02bc 1.09±0.04a 4.13±0.2b 7.08±0.6c
Control 0.10±0.02a 0.11±0.03ab 0.14±0.03cd 0.23±0.04a 0.93±0.07b 5.86±0.6a 9.32±0.7a

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: the cakes without any antioxidant and preservative