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Official Journal of the Japan Wood Research Society

Journal of Wood Science Cover Image

Table 2 Dichloromethane extracts of steam-treated rice straw

From: Steam treatment to enhance rice straw binderless board focusing hemicellulose and cellulose decomposition products

CompoundsRetention time
GC/MSa (min)
Treatment time at 200 °C
(%)
0 min10 min20 min
Waxes 99.0371.6565.52
 2-Pentadecanone18.82.641.681.39
 Tetradecanoic acid18.91.091.881.71
 Octenoic acid20.9N/D1.041.04
 Hexadecanoic acid21.143.3237.9136.61
 Heptadecanoic acid22.31.21.711.81
 Octadecadienoic acid23.215.939.766.76
 cis-9-Octadecenoic acid23.424.7611.448.29
 Octadecanoic acid23.86.484.52.86
 Eicosanoic acid281.6N/DN/D
 Other aliphatic compounds2.011.745.05
Lignin degradation products 014.0212.92
 p-Hydroxybenzaldehyde12.7N/D1.741.57
 Vanillin14.8N/D8.656.65
 Syringaldehyde16.9N/D1.341.15
 Other aromatic compoundsN/D2.283.55
Hemicellulose and cellulose degradation products05.319.09
 5-Hydroxymethylfurfural11.64N/D5.319.09
Yieldb (%) 0.972.237.16
  1. N/D not detected
  2. aColumn: NB-1 (30 m × 0.25 mm); 60 °C, 0 min − 10 °C/min − 260 °C, 25 min
  3. bYield of dichloromethane extraction