Table 2.
Main analytical characters of sequential fermentation with M. pulcherrima in different fermentation conditions semianaerobic, 1 mL/L/min and 20 mL/L/min at 72 h and at the end of fermentation.
| 72 h of Fermentation | Glycerol (g/L) |
Acetic Acid (g/L) |
Ethanol (% v/v) |
Ethanol Yield (g/g) |
End of Fermentation | Glycerol (g/L) |
Acetic Acid (g/L) |
Ethanol (%v/v) |
Ethanol Yield (g/g) |
|---|---|---|---|---|---|---|---|---|---|
|
M. pulcherrima 1 mL/L/min |
0.41±0.01 b | 0.35 ± 0.00 a | 4.24 ± 0.15 c | 33.4 ± 0.13 b |
M. pulcherrima 1 mL/L/min |
7.04 ± 0.14 a | 0.33 ± 0.03 b | 11.28 ± 0.14 b | 43.8 ± 0.16 c |
|
M. pulcherrima 20 mL/L/min |
0.41 ± 0.01 b | 0.34 ± 0.00 a | 6.20 ± 0.12 b | 37.7 ± 0.18 a |
M. pulcherrima 20 mL/L/min |
7.12 ± 0.03 a | 0.36 ± 0.02 b | 10.62 ± 0.12 c | 41.2 ± 0.14 d |
| M. pulcherrima semianaerobic | 0.46 ± 0.04 b | 0.30 ± 0.00 b | 1.97 ± 0.18 d | 30.4 ± 0.14 c | M. pulcherrima semianaerobic | 5.43 ± 0.09 b | 0.36 ± 0.02 b | 11.49 ± 0.08 b | 44.5 ± 0.04 b |
| S. cerevisiae semianaerobic | 0.47 ± 0.01 a | 0.33 ± 0.00 a | 8.65 ± 0.06 a | 38.6 ± 0.13 a | S. cerevisiae semianaerobic | 5.15 ± 0.06 b | 0.38 ± 0.02 b | 12.00 ± 0.01 a | 46.5 ± 0.01 a |
Data are means ± standard deviations from three independent experiments. Data with different superscript letters (a,b,c) within each column are different homogeneous groups according to Duncan tests (0.05%).