Table 1.
Concentration of glucose, xylose, arabinose and sugars accompanied by their standard deviations, contained in the liquid fractions obtained after different pretreatment methods.
| Pretreatment | Glucose (g/100 gTS) | Xylose (g/100 gTS) | Arabinose (g/100 gTS) | Sugars (g/100 gTS) |
|---|---|---|---|---|
| Thermal (120 °C) | 1.43 ± 0.08 | 3.98 ± 0.10 | - | 6.36 ± 0.10 |
| Thermal (80 °C) | 1.12 ± 0.04 | 2.96 ± 0.12 | - | 5.21 ± 0.18 |
| H2SO4,2 g/100 gTS | 1.12 ± 0.01 | 3.29 ± 0.08 | 0.17 ± 0.01 | 6.71 ± 0.34 |
| H2SO4, 10 g/100 gTS | 2.59 ± 0.15 | 5.02 ±0.25 | 3.71 ±0.35 | 14.77. ± 0.11 |
| H2SO4, 20 g/100 gTS | 3.11 ± 0.03 | 10.42 ± 2.18 | 3.56 ± 0.91 | 15.12 ± 0.14 |
| H3PO4, 2 g/100 gTS | 1.82 ± 0.04 | 2.89 ± 0.17 | 0.52 ± 0.09 | 6.24 ± 0.03 |
| H3PO4, 10 g/100 gTS | 1.63 ± 0.03 | 3.07 ± 0.05 | 1.74 ± 0.06 | 7.69 ± 0.74 |
| H3PO4, 20 g/100 gTS | 1.73 ± 0.01 | 3.37 ± 0.02 | 2.66 ± 0.06 | 11.17 ± 1.78 |
| HCl, 2 g/100 gTS | 1.34 ± 0.01 | 3.16 ± 0.08 | 1.70 ± 0.10 | 8.08 ± 0.12 |
| HCl, 10 g/100 gTS | 2.33 ± 0.15 | 12.64 ± 0.25 | 4.05 ± 0.07 | 18.21± 0.69 |
| HCl, 2 20/100 gTS | 3.53 ± 0.03 | 13.28 ± 0.45 | 4.78 ± 0.23 | 19.03 ± 0.58 |
| NaOH, 2 g/100 gTS | 1.38 ± 0.08 | 2.12 ± 0.10 | n.d. | 5.34 ± 0.78 |
| NaOH, 10 g/100 gTS | 1.28 ± 0.08 | 4.52± 0.06 | 0.46 ± 0.05 | 6.80 ± 0.20 |
| NaOH, 2 20/100 gTS | 1.75 ± 0.05 | 5.87 ± 0.03 | 1.99 ± 0.01 | 8.58 ± 0.30 |