Table 3.
pH and color (CIELab) (m ± s.e.) evolution of fish patty for 14 days under refrigerated storage.
| Sample | Days Refrigerated Storage at 4 °C | ||||
|---|---|---|---|---|---|
| 0 | 4 | 7 | 11 | 14 | |
| pH | |||||
| Control Ct HXT P R |
6.8 ± 0.0 az 6.8 ± 0.0 az 6.8 ± 0.0 az 6.8 ± 0.0 bz 6.8 ± 0.1 abz |
7.0 ± 0.0 ayz 7.1 ± 0.0 ayz 7.0 ± 0.1 ayz 6.8 ± 0.1 byz 6.8 ± 0.0 abyz |
8.0 ± 0.1 ax 7.6 ± 0.0 ax 7.4 ± 0.0 ax 6.8 ± 0.0 bx 7.0 ± 0.1 abx |
7.3 ± 0.0 axy 7.2 ± 0.0 axy 7.3 ± 0.0 axy 6.7 ± 0.0 bxy 7.3 ± 0.0 abxy |
7.1 ± 0.0 axyz 7.2 ± 0.0 axyz 7.2 ± 0.1 axyz 6.6 ± 0.1 bxyz 7.1 ± 0.0 abxyz |
| Colour Parameters: L* | |||||
| Control Ct HXT P R |
72.3 ± 0.3 by 80.0 ± 1.2 ay 87.8 ± 2.3 ay 82.3 ± 0.9 ay 81.9 ± 1.1 ay |
65.0 ± 0.8 bz 73.9 ± 1.3 az 73.6 ± 0.8 az 70.9 ± 0.5 abz 71.7 ± 0.4 az |
62.8 ± 0.6 bz 72.2 ± 0.4 az 71.8 ± 0.3 az 70.4 ± 0.5 az 70.2 ± 0.4 az |
64.7 ± 0.5 bz 72.3 ± 0.5 az 72.8 ± 0.7 az 69.5 ± 0.8 az 70.3 ± 0.6 az |
64.5 ± 0.2 bz 73.0 ± 0.6 az 72.5 ± 0.3 az 69.2 ± 0.4 az 69.8 ± 0.3 az |
| a* | |||||
| Control Ct HXT P R |
3.5 ± 0.0 az 2.4 ± 0.1 bz 1.9 ± 0.1 bz 0.7 ± 0.1 cz 2.6 ± 0.0 bz |
3.7 ± 0.1 ayz 2.4 ± 0.1 byz 2.1 ± 0.0 byz 1.4 ± 0.1 cyz 2.7 ± 0.0 byz |
4.7 ± 0.1 ay 3.4 ± 0.1 by 3.0 ± 0.1 by 1.9 ± 0.1 cy 3.3 ± 0.0 by |
4.2 ± 0.1 ayz 3.4 ± 0.8 byz 2.9 ± 0.0 byz 2.2 ± 0.2 cyz 3.3 ± 0.1 byz |
3.7 ± 0.1 ayz 2.4 ± 0.1 byz 2.4 ± 0.1 byz 1.5 ± 0.0 cyz 2.8 ± 0.0 byz |
| b* | |||||
| Control Ct HXT P R |
11.4 ± 0.1 c 11.9 ± 0.4 b 11.9 ± 0.4 c 18.7 ± 0.4 a 12.1 ± 0.4 c |
11.3 ± 0.2 c 13.7 ± 0.1 b 11.1 ± 0.2 c 17.0 ± 0.3 a 11.1 ± 0.7 c |
12.2 ± 0.3 c 14.8 ± 0.1 b 13.0 ± 0.3 c 16.2 ± 0.2 a 11.5 ± 0.1 c |
12.1 ± 0.2 c 14.6 ± 0.4 b 12.4 ± 0.3 c 16.5 ± 0.3 a 10.6 ± 0.5 c |
11.0 ± 0.1 c 13.8 ± 0.3 b 12.4 ± 0.1 c 15.7 ± 0.2 a 11.2 ± 0.2 c |
Control: 200 ppm acerola + 200 ppm citric extract (Ct); 200 ppm acerola + 200 ppm hydroxytyrosol extract (HXT); 200 ppm acerola + 200 ppm pomegranate extract (P); 200 ppm acerola + 200 ppm rosemary extract (R); Mean ± standard error (M ± s.e.). Different letters (a, b, c) in the same column indicate significant differences between samples (p < 0.05). Different letters in the same row (x, y, z) indicate significant differences between samples (p < 0.05).