Official Journal of the Japan Wood Research Society
Table 5 Wood color before and after smoke treatment (ΔE)
Wood | Treatment | L* | a* | b* | ΔE |
|---|---|---|---|---|---|
Jabon | Control | 75.9 (4.3) | 3.7 (1.0) | 25.5 (1.6) | |
Smoked-1W | 42.6 (1.0) | 8.0 (0.3) | 21.3 (0.6) | 33.9 (3.7) | |
Smoked-2W | 32.0 (1.7) | 6.8 (0.6) | 13.8 (1.0) | 45.6 (3.3) | |
Smoked-3W | 30.3 (4.4) | 6.8 (0.6) | 14.8 (1.0) | 47.0 (5.7) | |
Average | 45.2 (1.8) | 6.3 (0.3) | 18.9 (0.4) | 36.3 (7.3) | |
Sengon | Control | 77.5 (2.9) | 3.6 (0.3) | 14.1 (1.9) | |
Smoked-1W | 46.6 (1.6) | 6.1 (0.2) | 20.7 (1.6) | 31.8 (2.7) | |
Smoked-2W | 31.8 (3.6) | 5.4 (0.9) | 11.2 (4.0) | 45.9 (6.5) | |
Smoked-3W | 26.5 (2.4) | 6.4 (0.7) | 9.7 (1.1) | 51.3 (3.4) | |
Average | 45.6 (0.8) | 5.4 (0.3) | 14.0 (1.3) | 35.8 (2.2) | |
Mangium | Control | 58.7 (3.1) | 6.8 (0.4 | 22.0 (0.7) | |
Smoked-1W | 39.4 (1.3) | 7.5 (1.0) | 18.8 (0.9) | 19.6 (3.8) | |
Smoked-2W | 31.0 (2.7) | 5.6 (0.8) | 11.5 (1.3) | 29.7 (4.6) | |
Smoked-3W | 27.3 (3.7) | 5.8 (0.7) | 11.9 (1.3) | 33.0 (4.8) | |
Average | 39.1 (1.0) | 6.4 (0.3) | 16.1 (0.3) | 24.6 (2.1) | |
Pine | Control | 75.6 (1.1) | 7.5 (1.7) | 26.2 (2.8) | |
Smoked-1W | 38.8 (2.1) | 8.6 (0.4) | 19.7 (0.6) | 37.5 (3.0) | |
Smoked-2W | 30.6 (1.3) | 6.3 (0.2) | 11.1 (1.3) | 47.6 (2.0) | |
Smoked-3W | 27.6 (4.1) | 6.5 (0.5) | 14.2 (1.4) | 49.5 (3.4) | |
Average | 43.1 (1.4) | 7.2 (0.7) | 17.8 (0.9) | 38.1 (1.1) | |
All species | Control | 71.9 (8.4) | 5.4 (2.0) | 22.0 (5.2) | |
Smoked-1W | 41.8 (3.5) | 7.6 (1.1) | 20.1 (1.3) | 30.7 (7.5) | |
Smoked-2W | 31.3 (2.4) | 6.0 (0.8) | 11.9 (2.3) | 42.2 (8.5) | |
Smoked-3W | 27.9 (3.7) | 6.4 (0.7) | 12.7 (2.3) | 45.2 (8.5) |