Table 4 Comparison of hemicellulose solubilization techniques (WIS – Water insoluble solids)
Dilute acid hydrolysis | ||||
|---|---|---|---|---|
| Â | Hemicellulose | WIS | Solubilisation | Yield |
| Â | % | % | % | g/100 g |
Aguilar et al.[67] | 21 | 10 | 92 | 19.0 |
Canilha et al.[19] | 26 | - | 62 | 15.9 |
Tricket [68] | 30 | 19 | 71 | 21.3 |
Diedericks et al.[48] | 24 | 30 | 75 | 18 |
Lavarack et al.[69] | 28 | 20 | 72 | 20.0 |
Steam Explosion | ||||
| Â | Hemicellulose | WIS | Solubilisation | Yield |
| Â | % | % | % | g/100 g |
Rudolf et al.[26] (SO2 catalysed) | 26 | 50 | 87 | 23 |
Carrasco et al.[70] (SO2 catalysed) | 24 | 50 | 57 | 16 |
Ferreira-Leitao et al.[71] (CO2 catalysed) | 23 | 50 | 63 | 14 |
Laser et al.[72] (uncatalysed) | 26 | 50 | 91 | 24 |
Rocha et al.[73] (uncatalysed) | 25 | 50 | 82 | 21 |
Oliveira et al.[49] (uncatalysed) (trash) | 29 | 15 | 93 | 27 |