Skip to main content

Table 1 Results obtained for the fermentation of succinic acid on hydrolysate with the addition of glycerol at different hydrolysate:glycerol ratios

From: Production of succinic acid through the fermentation of Actinobacillus succinogenes on the hydrolysate of Napier grass

Carbon source Hydrolysate 10:1 5:1 2:1 1:1 Glycerol Glucose Xylose
Titer of SA (g/L) 17.54 ± 3.80 20.23 ± 2.31 20.36 ± 0.37 22.56 ± 1.15 30.76 ± 3.44 42.30 ± 0.40 25.72 ± 1.5 21.10 ± 0.72
SA yield (g/g) 0.58 ± 0.01 0.65 ± 0.00 0.65 ± 0.01 0.70 ± 0.04 0.88 ± 0.01 1.15 ± 0.04 0.73 ± 0.03 0.57 ± 0.04
AA yield (g/g) 0.29 ± 0.03 0.29 ± 0.01 0.27 ± 0.01 0.31 ± 0.04 0.31 ± 0.01 0.13 ± 0.01 0.21 ± 0.02 0.24 ± 0.06
S/A 2.00 ± 0.07 2.30 ± 0.07 2.34 ± 0.06 2.25 ± 0.23 2.82 ± 0.21 9.81 ± 0.22 5.01 ± 2.38 2.41 ± 0.40
Productivity (g/L/h) 0.79 ± 0.07 0.84 ± 0.10 0.73 ± 0.01 0.49 ± 0.06 0.53 ± 0.01 0.61 ± 0.04 1.08 ± 0.06 0.76 ± 0.02
  1. SA succinic acid, AA acetic acid, S/A the ratio of succinic acid to acetic acid