period | Natural | Natural ozone | Cleaned | Cleaned O |
Moisture 1 | 8.26 ± 0.05A a | 8.46 ± 0.00A a | 11.06 ± 0.15A b | 11.08 ± 0.27A b |
Moisture 2 | 8.19 ± 0.04A a | 8.36 ± 0.06A a | 10.60 ± 0.06AB b | 10.66 ± 0.05AB b |
Moisture 3 | 8.16 ± 0.10A a | 8.24 ± 0.10A a | 10.16 ± 0.03B b | 10.25 ± 0.13B b |
L* value 1 | 41.58 ± 1.13B b | 49.83 ± 1.47A a | 43.49 ± 0.47B b | 48.34 ± 1.71B a |
L*value 2 | 49.16 ± 0.81A b | 50.36 ± 0.86A b | 56.65 ± 2.30A a | 55.54 ± 0.45Aa |
L *value 3 | 51.71 ± 1.29A b | 50.65 ± 1.50A b | 57.45 ± 1.31A a | 56.55 ± 0.74A a |
a* value 1 | 6.34 ± 0.15C a | 5.98 ± 0.07B b | 6.01 ± 0.02B b | 6.03 ± 0.06B b |
a* value 2 | 7.84 ± 0.29A a | 7.99 ± 0.68A a | 7.06 ± 0.06A a | 7.31 ± 0.45AB a |
a* value 3 | 7.22 ± 0.05B a | 7.18 ± 0.54AB a | 6.55 ± 0.51AB a | 6.82 ± 0.09A a |
b* value 1 | 11.96 ± 0.46B b | 15.76 ± 0.80B a | 12.99 ± 0.07B b | 15.05 ± 0.39B a |
b* value 2 | 20.04 ± 0.02A c | 20.99 ± 0.39A b | 24.46 ± 0.10A a | 24.58 ± 0.11A a |
b* value 3 | 20.26 ± 1.34A b | 20.44 ± 0.78A b | 24.54 ± 0.88A a | 23.90 ± 0.95A a |
% Ash (in dry material) 1 | 1.51 ± 0.00A a | 1.52 ± 0.00A a | 1.62 ± 0.00A a | 1.61 ± 0.00A a |
ASH 2 | 1.51 ± 0.01A a | 1.52 ± 0.00A a | 1.63 ± 0.00A a | 1.60 ± 0.02A a |
ASH 3 | 1.50 ± 0.03A a | 1.52 ± 0.00A a | 1.64 ± 0.01A a | 1.62 ± 0.01A a |