Substitution level of | ||||
---|---|---|---|---|
Control | 30 | 60 | 90 | |
L (lightness) | 77.75±1.09a | 59.25±0.36b | 52.10±0.54c | 46.68±0.66d |
-a (greenness) | -2.34±0.13a | -1.03±0.11b | -0.79±0.06c | -0.47±0.05d |
b (yellowness) | 8.23±0.35d | 17.00±0.13c | 19.43±0.59b | 20.18±0.32a |
ΔE | 0 | 20.51 | 28.03 | 33.34 |