TABLE 4.

Effect of polypropylene nanocomposite films containing 4A Z/ZnO NPs/GTE on the sensory evaluation of Salmon at 4°C

Days	Groups	Color Mean ± SD	Odor Mean ± SD	Texture Mean ± SD	Total acceptance Mean ± SD
0	Control	12.00 ± 0.00	12.00 ± 0.00	12.00 ± 0.00	12.00 ± 0.00
3	Control Treatment 1 Treatment 2	8.34 ± 0.05 a 9.13 ± 0.04 b 10.21 ± 0.03 c	8.25 ± 0.03 a1 11.19 ± 0.03 b1 11.5 ± 0.05 c1	10.5 ± 0.08 a2 11.5 ± 0.04 b2 11.5 ± 0.04 c2	10 ± 0.04 a3 11 ± 0.07 b3 11 ± 0.08 c3
6	Control Treatment 1 Treatment 2	5.40 ± 0.06 a 6.25 ± 0.04 b 8.05 ± 0.05 c	6.13 ± 0.03 a1 9.28 ± 0.03 b1 9.5 ± 0.03 c1	7.5 ± 0.03 a2 9 ± 0.04 b2 9 ± 0.06 c2	8 ± 0.05 a3 9 ± 0.04 b3 10 ± 0.06 c3
9	Control Treatment 1 Treatment 2	2. 5 ± 0.05 a 4 ± 0.05 b 6.5 ± 0.06 c	4 ± 0.04 a1 7 ± 0.04 b1 7 ± 0.06 c1	5 ± 0.05 a2 7.5 ± 0.2 b2 7.5 ± 0.08 c2	6. 5 ± 0.04 a3 7.5 ± 0.1 b3 8 ± 0.04 b3

Control sample: Polypropylene (PP), Treatment 1: PP/3% ZnO NPs/4A Z/GTE and Treatment 2: PP/6% ZnO NPs/4A Z/GTE. 4A Z: 4A zeolite and GTE: green tea extract.

Data are presented as mean ± SD and analyzed with one‐way analysis of variance. Different letters in each day represent statistical significance among different treatments using the Tukey.