Treatments

L^*

a^*

b^*

Control

58.38 ± 4.58^A

−6.50 ± 3.47^C

14.94 ± 7.13^A

H₂O₂

59.03 ± 5.05^A

−8.15 ± 4.88^C

18.71 ± 7.83^A

0.1% Cinnamon oil

57.06 ± 5.15^AB

−4.22 ± 3.04^ABC

9.69 ± 7.31^A

0.1% Clove bud oil

58.20 ± 3.95^A

−5.02 ± 4.07^ABC

11.75 ± 9.04^A

0.1% Lemongrass oil

48.39 ± 9.37^BC

−5.42 ± 3.96^BC

15.13 ± 7.37^A

0.1% Oregano oil

51.75 ± 8.38^ABC

−5.10 ± 2.87^ABC

14.28 ± 6.47^A

0.1% Carvacrol

51.32 ± 5.69^ABC

−4.35 ± 5.80^ABC

16.08 ± 6.62^A

0.1% Citral

54.01 ± 9.21^AB

−6.19 ± 2.94^BC

14.79 ± 5.97^A

3% Apple extract

52.84 ± 5.17^ABC

−3.35 ± 4.26^ABC

16.29 ± 8.34^A

3% Grapeseed extract

55.63 ± 5.36^AB

0.10 ± 2.97^A

18.74 ± 6.21^A

7% Olive extract

54.40 ± 5.66^AB

−5.44 ± 3.97^BC

19.20 ± 8.29^A

10% Olive extract

55.05 ± 7.39^AB

−2.47 ± 2.10^ABC

17.41 ± 5.76^A

0.1% Clove bud oil + 3% Apple extract

56.31 ± 3.56^AB

−4.86 ± 4.78^ABC

19.38 ± 6.17^A

0.1% Oregano oil + 1% Grapeseed extract

49.20 ± 6.31^BC

−2.92 ± 2.89^ABC

13.67 ± 5.34^A

0.1% Oregano oil + 10% Olive extract

44.49 ± 6.21^C

−0.93 ± 3.32^AB

16.94 ± 4.38^A