Table 3.
Initial RS, residual RS, Sugar consumption and Percentage sugar utilization in MW-assisted acid and alkali-pretreated cassava residues subjected to saccharification with or without detoxification chemicals (120 h) followed by fermentation for 48 h
| Treatments* | Initial RS content (g/L) | Residual RS content (g/L) | RS consumption (g/L) | Percentage RS utilization |
|---|---|---|---|---|
| Cassava stems | ||||
| MW-acid (D0) | 50.05d | 5.04b,c | 45.01d | 89.93a |
| MW-acid (D+) | 54.58c | 4.67c | 49.91c | 91.44a |
| MW-alkali (D0) | 55.13c | 5.97b | 49.16c | 89.17a,b |
| MW-alkali (D+) | 59.05b | 5.30b | 53.75b | 91.02a |
| Cassava leaves | ||||
| MW-acid (D0) | 30.28i | 8.69a | 21.59i | 71.37h |
| MW-acid (D+) | 33.95h | 8.19a | 25.76h | 75.88g |
| MW-alkali (D0) | 41.77g | 8.52a | 33.25 g | 79.60f |
| MW-alkali (D+) | 47.39e | 6.11b | 41.29e | 87.13c |
| Cassava peels | ||||
| MW-acid (D0) | 45.96f | 8.50a | 37.46f | 81.51e |
| MW-acid (D+) | 51.04d | 6.01b | 45.03d | 88.22b |
| MW-alkali (D0) | 58.75b | 8.67a | 50.08c | 85.24d |
| MW-alkali (D+) | 64.06a | 6.59b | 57.47a | 89.71a,b |
*D0: without detoxification chemicals; D+: with detoxification chemicals; statistical comparison was made within each column and values with different superscripts are significant at p < 0.05