Experimental groups1) | CIE L* (lighness) | CIE a* (redness) | CIE b* (yellowness) |
---|---|---|---|
Control | 20.21±0.31a2) | 4.95±0.15d | 5.21d±0.88d |
Y8+K0.5 | 17.68±0.70b | 6.33±0.68c | 7.50±0.61c |
Y8+K1.0 | 18.80±0.42bc | 5.86±1.05b | 8.22±0.52b |
Y8+K2.0 | 18.12±0.34c | 6.48±0.71a | 9.40±0.98a |