Official Journal of the Japan Wood Research Society
From: Structural basis of lignocellulose deconstruction by the wood-feeding anobiid beetle Nicobium hirtum
 | Pine wood diet | Shorea artificial diet | ||||
---|---|---|---|---|---|---|
Originala | Digesteda | %Changeb | Originala | Digesteda | %Changeb | |
Polysaccharide contents (wt% per CWR) | ||||||
 Starch | 0.30 ± 0.0 | 0.02 ± 0.4* | − 93 | 40. 8 ± 2.2 | 26.4 ± 3.1* | − 35 |
 Crystalline glucan | 30.7 ± 4.1 | 24.2 ± 0.8* | − 21 | 28.2 ± 2.4 | 33.4 ± 2.1* |  + 19 |
 Amorphous glucan | 5.0 ± 0.1 | 4.7 ± 0.3 | − 5 | 3.0 ± 0.2 | 2.2 ± 0.1* | − 28 |
 Mannan | 7.6 ± 0.1 | 6.0 ± 0.4* | − 21 | 2.9 ± 0.2 | 1.1 ± 0.1* | − 62 |
 Xylan | 3.3 ± 0.1 | 4.2 ± 0.1* |  + 26 | 4.0 ± 0.4 | 4.7 ± 0.1* |  + 20 |
 Arabinan | 1.2 ± 0.0 | 1.5 ± 0.1 |  + 30 | 0.2 ± 0.0 | 0.2 ± 0.1 | − 5 |
 Galactan | 1.3 ± 0.1 | 1.8 ± 0.1 |  + 38 | 0.4 ± 0.1 | 0.4 ± 0.1 |  ± 0 |
Lignin content (wt% per CWR) | ||||||
 | 20.5 ± 1.4 | 35.7 ± 1.5* |  + 73 | 10.8 ± 0.5 | 21.2 ± 0.3* |  + 90 |
Lignin composition (mol% per S + G + H) | ||||||
 Syringyl, S | n.d | n.d | − | 50.3 ± 0.7 | 45.6 ± 1.3* | − 9 |
 Guaiacyl, G | 99.3 ± 0.1 | 99.5 ± 0.1 |  ± 0 | 49.6 ± 0.7 | 54.3 ± 1.3* |  + 10 |
 p-Hydroxyphenyl, H | 0.7 ± 0.1 | 0.6 ± 0.1 | − 22 | 0.1 ± 0.1 | 0.2 ± 0.1 |  + 36 |
 S/G ratio | – | – | − | 1.02 ± 0.03 | 0.84 ± 0.05* | − 17 |