Fig. 5
Biobutanol production from hydrolysates of corncob and glucose as carbon sources. a Hydrolysate of Cycle VI, b control I (54 g L−1 glucose), c hydrolysate of Cycle VITween80, d control II (59 g L−1 glucose). (
): total sugars; (
): glucose; (
): xylose; (
): arabinose; (
): total solvents; (
): butanol; (
): ethanol; (
): acetone. Shadow refers to standard deviation, and all fermentations were performed in triplicate