Treatments

L^*

a^*

b^*

Control

37.48 ± 2.90^ABC

−13.84 ± 1.73^AB

18.63 ± 3.38^A

3% H₂O₂

38.54 ± 1.65^AB

−14.26 ± 1.97^AB

19.84 ± 3.84^A

0.1% Cinnamon oil

39.26 ± 1.63^AB

−13.61 ± 1.52^AB

19.37 ± 1.85^A

0.1% Clove bud oil

35.87 ± 4.42^ABC

−13.92 ± 1.51^AB

18.91 ± 2.92^A

0.1% Lemongrass oil

34.63 ± 4.95^BC

−14.49 ± 2.13^B

18.40 ± 2.57^A

0.1% Oregano oil

32.87 ± 3.69^C

−14.36 ± 1.51^B

18.63 ± 2.34^A

0.1% Carvacrol

34.73 ± 3.81^BC

−14.29 ± 2.28^B

18.18 ± 2.58^A

0.1% Citral

38.02 ± 3.49^AB

−14.13 ± 1.78^B

18.93 ± 4.01^A

3% Apple extract

38.25 ± 2.64^AB

−12.88 ± 1.34^AB

17.61 ± 2.70^A

3% Grapeseed extract

37.47 ± 5.02^ABC

−12.16 ± 2.10^AB

20.97 ± 4.74^A

7% Olive extract

40.27 ± 4.32^A

−13.68 ± 1.71^AB

21.28 ± 4.79^A

0.1% Cinnamon oil + 1% Grapeseed extract

37.45 ± 3.19^ABC

−10.60 ± 6.83^A

17.77 ± 4.25^A

0.1% Clove bud oil + 3% Apple extract

38.71 ± 1.42^AB

−12.56 ± 1.16^AB

18.22 ± 2.88^A

0.1% Lemongrass oil + 1% Apple extract

38.27 ± 3.65^AB

−13.60 ± 1.20^AB

18.90 ± 3.88^A

0.1% Oregano oil + 1% Grapeseed extract

37.17 ± 2.33^ABC

−12.42 ± 2.16^AB

20.22 ± 2.39^A

0.1% Oregano oil + 7% Olive extract

37.34 ± 2.46^ABC

−13.70 ± 1.81^AB

18.87 ± 3.53^A