Treatments | L* | a* | b* |
Control | 37.48 ± 2.90ABC | −13.84 ± 1.73AB | 18.63 ± 3.38A |
3% H2O2 | 38.54 ± 1.65AB | −14.26 ± 1.97AB | 19.84 ± 3.84A |
0.1% Cinnamon oil | 39.26 ± 1.63AB | −13.61 ± 1.52AB | 19.37 ± 1.85A |
0.1% Clove bud oil | 35.87 ± 4.42ABC | −13.92 ± 1.51AB | 18.91 ± 2.92A |
0.1% Lemongrass oil | 34.63 ± 4.95BC | −14.49 ± 2.13B | 18.40 ± 2.57A |
0.1% Oregano oil | 32.87 ± 3.69C | −14.36 ± 1.51B | 18.63 ± 2.34A |
0.1% Carvacrol | 34.73 ± 3.81BC | −14.29 ± 2.28B | 18.18 ± 2.58A |
0.1% Citral | 38.02 ± 3.49AB | −14.13 ± 1.78B | 18.93 ± 4.01A |
3% Apple extract | 38.25 ± 2.64AB | −12.88 ± 1.34AB | 17.61 ± 2.70A |
3% Grapeseed extract | 37.47 ± 5.02ABC | −12.16 ± 2.10AB | 20.97 ± 4.74A |
7% Olive extract | 40.27 ± 4.32A | −13.68 ± 1.71AB | 21.28 ± 4.79A |
0.1% Cinnamon oil + 1% Grapeseed extract | 37.45 ± 3.19ABC | −10.60 ± 6.83A | 17.77 ± 4.25A |
0.1% Clove bud oil + 3% Apple extract | 38.71 ± 1.42AB | −12.56 ± 1.16AB | 18.22 ± 2.88A |
0.1% Lemongrass oil + 1% Apple extract | 38.27 ± 3.65AB | −13.60 ± 1.20AB | 18.90 ± 3.88A |
0.1% Oregano oil + 1% Grapeseed extract | 37.17 ± 2.33ABC | −12.42 ± 2.16AB | 20.22 ± 2.39A |
0.1% Oregano oil + 7% Olive extract | 37.34 ± 2.46ABC | −13.70 ± 1.81AB | 18.87 ± 3.53A |