TABLE 1.
Acids and solvents produced on different substrates at a concentration of 2% (wt/vol), except for Avicel, which was used at a concentration of 6% (wt/vol) and supplemented with Celluclast 1.5L (CL) at 2% (wt/wt), by C. acetobutylicum ATCC 824 after fermentation
| Growth substrate (time of incubation [h]) | Amt of product (g/liter)
|
||||
|---|---|---|---|---|---|
| Acetic acid | Butyric acid | Acetone | Butanol | Ethanol | |
| Glucose (48) | 1.0 | 1.1 | 0.8 | 3.4 | 0.3 |
| Cellobiose (72) | 1.4 | 2.9 | 0.1 | 2.4 | 0.2 |
| Xylose (72) | 1.9 | 4.3 | 0.2 | 1.3 | 0.2 |
| Lichenan (144) | 1.9 | 1.9 | 1.0 | 3.5 | 0.2 |
| Avicel (96) | 0.5 | 0.6 | 0.1 | 0.4 | 0.1 |
| Avicel + CL (216) | 2.0 | 1.7 | 2.4 | 7.2 | 0.8 |
| CMC + CL (72) | 0.3 | 0.9 | 0.1 | 0.4 | 0.0 |