Table 3.
Fermentative parameters for the xylitol-producing yeasts M. guilliermondii A3, M. guilliermondii B12, Spathaspora sp. JA1, and W. anomalus 740 in sugarcane bagasse hydrolysate. Values represent average and standard deviation of duplicates values calculated at 44 h of the experiment.
| Microorganisms | Xylose Consumed (g/L) | Xylitol Production (g/L) | Xylitol Yield (g/g) a | Productivity (g/g·h−1) b | Ethanol Production (g/L) | Ethanol Yield (g/g) a | Biomass Yield (g/g) c |
|---|---|---|---|---|---|---|---|
| M. guilliermondii A3 | 11.68 ± 0.10 | 6.12 ± 0.59 | 0.60 ± 0.01 | 0.155 ± 0.017 | 0.83 ± 0.03 | 0.08 ± 0.00 | 0.29 ± 0.02 |
| M. guilliermondii B12 | 15.00 ± 3.14 | 5.00 ± 0.42 | 0.42 ± 0.08 | 0.014 ± 0.001 | 0.87 ± 0.09 | 0.14 ± 0.06 | 0.39 ± 0.03 |
| Spathaspora sp. JA1 | 31.29 ± 4.15 | 21.09 ± 1.97 | 0.74 ± 0.03 | 0.057 ± 0.006 | 3.39 ± 0.11 | 0.18 ± 0.07 | 0.24 ± 0.01 |
| W. anomalus 740 | 33.07 ± 3.21 | 24.75 ± 1.70 | 0.83 ± 0.13 | 0.101 ± 0.035 | n.d. | n.d. | 0.23 ± 0.01 |
a YX/S, YE/S: xylitol and ethanol yield on xylose, respectively; b Volumetric productivity; c YB/S: biomass yield on xylose and glucose. n.d. not detected.