Table 4 Summary of bio-ethanol production from SCB
Hydrolysis type | Microorganism | Fermentation conditions | Ethanol yield (YP/S) | Source |
|---|---|---|---|---|
Enzymatic hydrolysis | Scheffersomyces shehatae | 30 °C, 48 h and pH of 5.5 | 0.34 g/g | Antunes et al. (2018) |
Acid hydrolysis | Pichia stipites | 30 °C, 48 h and pH of 5.5 | 0.30 g/g | Canilha et al. (2010) |
Enzymatic hydrolysis | Saccharomyces cerevisiae | 30 °C, 48 h and pH of 4.8 | 0.20 g/g | Cao and Aita (2013) |
Enzymatic hydrolysis (SSF) | Saccharomyces cerevisiae | 37 °C, 32 h and pH of 5.5 | – | Ewanick and Bura (2011) |
Enzymatic hydrolysis (L + SScF) | Escherichia coli | 37 °C, 240 h and pH of 6.5 | 0.21 g/g | Geddes et al. (2011) |
Acid hydrolysis | Pichia stipites | 30 °C, 24–96 h and pH of 5.0 | 0.35 g/g | Roberto et al. (1991) |
Acid hydrolysis | Pichia stipites | 27 °C, 72 h and pH of 6.5 | 0.42 g/g | Van Zyl et al. (1988) |
Acid hydrolysis (ultra-sound assisted) | Saccharomyces cerevisiae | 30 °C, 72 h and pH of 5.0 | 0.36 g/g | Velmurugan and Muthukumar (2011) |
Enzymatic hydrolysis (ultra-sound assisted) | Zymomonas mobilis | 30 °C, 48 h and pH of 5.7 | 91.22% | Velmurugan and Muthukumar (2012) |
Enzymatic hydrolysis | Saccharomyces cerevisiae | 30 °C and 24 h | 92.8% | Mesa et al. (2010) |
Enzymatic hydrolysis | Saccharomyces cerevisiae | 35 °C, 150 rpm, 34 h and pH of 4.8 | – | Pitarelo et al. (2016) |