Days | Control | Stevia-C | Sucralose-C | JF-control | JF-Stevia | JF-Sucralose |
L* | ||||||
0 | 31.9 ± 0.7 | 30.1 ± 0.6 | 30.5 ± 0.5 | 31.8 ± 0.2 | 30.4 ± 0.2 | 30.0 ± 0.8 |
30 | 33.0 ± 0.4 | 30.4 ± 0.3 | 28.1 ± 0.4 | 31.3 ± 0.4 | 30.8 ± 0.2 | 29.1 ± 0.3 |
60 | 31.7 ± 0.7 | 30.2 ± 0.5 | 30.9 ± 1.0 | 32.9 ± 0.1 | 28.5 ± 0.2 | 30.1 ± 0.02 |
90 | 31.2 ± 0.04 | 30.3 ± 0.4 | 30.7 ± 0.7 | 31.7 ± 0.3 | 29.6 ± 0.1 | 30.0 ± 0.01 |
a* | ||||||
0 | 9.9 ± 0.2 | 8.9 ± 0.2 | 9.4 ± 0.3 | 9.8 ± 0.2 | 9.4 ± 0.2 | 9.4 ± 0.1 |
30 | 10.2 ± 0.01 | 9.0 ± 0.1 | 8.5 ± 0.2 | 10.1 ± 0.1 | 9.6 ± 0.1 | 9.2 ± 0.3 |
60 | 10.2 ± 0.8 | 9.0 ± 0.3 | 9.9 ± 0.1 | 9.9 ± 0.2 | 9.8 ± 0.4 | 10.0 ± 0.2 |
90 | 10.3 ± 0.4 | 9.3 ± 0.3 | 9.5 ± 0.6 | 9.9 ± 0.1 | 9.0 ± 0.04 | 8.9 ± 0.01 |
b* | ||||||
0 | 11.5 ± 0.7 | 10.3 ± 0.3 | 10.9 ± 0.5 | 12.3 ± 0.2 | 11.2 ± 0.4 | 11.2 ± 0.2 |
30 | 11.8 ± 0.5 | 10.6 ± 0.5 | 10.3 ± 0.7 | 13.0 ± 0.9 | 11.8 ± 0.5 | 11.8 ± 1.1 |
60 | 11.7 ± 0.6 | 10.1 ± 0.4 | 11.1 ± 0.7 | 12.3 ± 0.8 | 12.9 ± 0.4 | 12.8 ± 0.4 |
90 | 11.7 ± 0.7 | 11.2 ± 0.1 | 11.8 ± 0.2 | 11.3 ± 0.4 | 11.0 ± 0.1 | 11.9 ± 0.1 |
Whiteness index | ||||||
0 | 30.2 ± 0.6 | 28.8 ± 0.6 | 29.0± 0.6 | 30.0 ± 0.2 | 28.9 ± 0.2 | 28.5 ± 0.8 |
30 | 31.2 ± 0.4 | 29.0 ± 0.4 | 26.9 ± 0.5 | 29.3 ± 0.5 | 29.1 ± 0.2 | 27.6± 0.5 |
60 | 29.9 ± 0.9 | 29.0 ± 0.5 | 29.3 ± 1.1 | 31.0 ± 0.3 | 26.7 ± 0.3 | 28.3 ± 0.1 |
90 | 29.4 ± 0.1 | 28.8 ± 0.4 | 29.1 ± 0.8 | 30.1 ± 0.2 | 28.2 ± 0.9 | 28.4 ± 0.0 |