Skip to main content

Table 4 Sequential extraction

From: Extraction of sugarcane bagasse arabinoxylan, integrated with enzymatic production of xylo-oligosaccharides and separation of cellulose

NaOH 1 M Arabinose Galactose Glucose Xylose Cellulose Hemicellulose
Reaction time, 30 min
 Cycle 1 1.23 ± 0.07 0.21 ± 0.02 49.14 ± 0.45 19.90 ± 0.20 44.23 ± 0.4 18.72 ± 0.10
 Cycle 2 0.85 ± 0.01 0.13 ± 0.0 55.64 ± 0.20 17.83 ± 0.16 50.08 ± 0.18 16.51 ± 0.21
 Cycle 3 0.61 ± 0.06 0.12 ± 0.03 58.63 ± 0.99 15.77 ± 0.01 52.77 ± 0.89 14.49 ± 0.01
Reaction time, 60 min
 Cycle 1 1.33 ± 0.06 0.17 ± 0.04 49.29 ± 0.51 17.78 ± 0.52 44.36 ± 0.46 16.97 ± 0.55
 Cycle 2 0.85 ± 0.03 0.11 ± 0.0 51.80 ± 0.25 14.10 ± 0.75 46.62 ± 0.22 13.25 ± 0.68
 Cycle 3 0.67 ± 0.04 0.09 ± 0.0 55.92 ± 0.69 13.33 ± 0.48 50.33 ± 0.62 12.40 ± 0.45
  1. Monosaccharide composition (%) and recalculation to polysaccharides in the remaining residue. Data after each extraction (30 and 60 min, respectively) in totally three repeats using 1 M NaOH at 121 °C are shown. The cellulose and hemicellulose content was calculated from the monosaccharide composition as described in Table 2