Official Journal of the Japan Wood Research Society
Table 1 Chemical composition of SPF used in the study and its comparison with literature
Components (%) | SPF (this study) | SPF[33] | Nypa fronds[8] | Nypa fronds[36] | Vine stem[38] | Grape vine stalks[39] | Rice Straw [40] | Okra Stick [37] | Sugarcane Bagasse [34] | Oil palm fronds [45] |
|---|---|---|---|---|---|---|---|---|---|---|
Holocellulose | 61.5 ± 1.8 | 62.6 | 61.3 | 61.5 | 65.0 | 60.0 | 65.4 | 70.6 | 74.8 | 82.2 |
α-Cellulose | 36.7 ± 1.4 | 35.5 | 37.3 | 35.1 | 35.0 | 36.0 | 38.5 | 34.3 | 47.4 | 47.6 |
Pentosan | 24.8 ± 1.2 | 27.1 | 24.0 | 26.4 | 30.0 | 24.5 | 19.1 | 16.9 | – | – |
Acid-insoluble lignin | 19.2 ± 0.5 | 18.3 | 17.5 | 17.8 | 28.1 | 39.6 | 12.7 | 25.2 | 20.4 | 15.2 |
Acid-soluble lignin | 2.6 ± 0.1 | – | 0.8 | 1.9 | – | – | – | – | – | – |
Ash | 6.3 ± 0.1 | – | 16.5 | 11.4–11.7 | 3.9 | 3.9 | 17.2 | 0.6 | 1.7 | 0.7 |
Extractives | 7.4 ± 0.1 (Alc:DCM) | – | 1.5 (DCM) | 1.9 (Ac) | 11.3 (Alc:benz) | 1.8 (DCM) | 1.1 (DCM) | 2.9 (Ac) | 3.2 (Alc:Ac) | 1.4 (Alc:benz) |