Official Journal of the Japan Wood Research Society
Table 1 Changes in the contents of chemical components and extractives of the fibrosis veneer samples
From: The surface chemical constituent analysis of poplar fibrosis veneers during heat treatment
Sample | Holocellulose (%) | α-Cellulose (%) | Hemicellulose (%) | Lignin (%) | Extractives (%) | |||
|---|---|---|---|---|---|---|---|---|
Cold water | Hot water | Benzene–alcohol | NaOH | |||||
Control | 62.85 | 41.52 | 21.33 | 26.25 | 2.07 | 5.93 | 4.97 | 19.20 |
160 °C/0.3 MPa | 59.77 | 40.63 | 19.14 | 28.67 | 3.07 | 6.21 | 5.09 | 21.19 |
180 °C/0.3 MPa | 53.33 | 39.58 | 13.75 | 33.61 | 3.28 | 6.63 | 5.82 | 24.14 |