Table 1 Independent variables of the central composite design and results of response surface analysis [xylooligosaccharide (XOS) yields]
Variables | Responses | ||
|---|---|---|---|
Reaction temperature (°C) | Reaction time (min) | XA concentration (mol/L) | XOS yields (%) |
130 | 15 | 0.25 | 1.03 |
130 | 15 | 1 | 1.31 |
130 | 75 | 0.25 | 16.99 |
130 | 75 | 1 | 11.68 |
150 | 45 | 0.625 | 42.61 |
150 | 45 | 0 | 0.88 |
150 | 45 | 1 | 32.50 |
150 | 95 | 0.625 | 40.18 |
170 | 15 | 0.25 | 15.95 |
170 | 15 | 1 | 31.22 |
170 | 75 | 0.25 | 18.96 |
170 | 75 | 1 | 8.75 |
183 | 45 | 0.625 | 17.97 |