Table 2 L*, a*, b* values of the different treatment factors in respect to time
|  | SDF (Group A) | SDF + KI (Group B) | SDF + CMP (Group C) | SDF + GI (Group D) | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Â | T0 | T1 | T2 | T0 | T1 | T2 | T0 | T1 | T2 | T0 | T1 | T2 |
L* | 45.9 (8.7) | 30 (3.3) | 24.3 (2.9) | 43 (3.8) | 54.7 (6) | 41.6 (4.3) | 41 (6.1) | 69 (7.4) | 48.3 (5.3) | 40 (8.4) | 62.3 (7.4) | 35.3 (5.8) |
a* | 3.6 (1.5) | 2.6 (1.1) | 1 (0.4) | 3.2 (1.3) | − 0.7 (1.2) | − 0.6 (0.4) | 3.6 (1.5) | − 0.7 (0.4) | 1.6 (0.6) | 2.7 (1.9) | 1.8 (0.8) | 1.3 (1) |
b* | 10.9 (4.6) | 5.5 (2.2) | 2.2 (0.9) | 9 (2.9) | 14.6 (3.5) | 6.5 (2.2) | 7.5 (1.6) | 4.8 (2.6) | 12.4 (2.9) | 7.3 (1.1) | 9.7 (1.7) | 4.8 (2.4) |