Table 6 The results of repeated batch fermentation of immobilized L. pentosus ATCC 8041 cells under optimum conditions
From: Optimization of immobilized Lactobacillus pentosus cell fermentation for lactic acid production
Batch number | Residual glucose concentration CG (g/L) | LA concentration CLA (g/L) | LA yield YLA (g/g) | LA productivity PLA g/(L × h) |
|---|---|---|---|---|
1 | 2.06 ± 0.31 | 106.22 ± 0.34 | 0.938 ± 0.003 | 2.213 ± 0.007 |
2 | 1.12 ± 0.27 | 106.75 ± 0.48 | 0.935 ± 0.004 | 2.224 ± 0.010 |
3 | 1.75 ± 0.42 | 106.85 ± 0.67 | 0.941 ± 0.006 | 2.226 ± 0.014 |
4 | 1.63 ± 0.34 | 106.51 ± 0.39 | 0.937 ± 0.003 | 2.219 ± 0.008 |
5 | 1.54 ± 0.23 | 106.70 ± 0.58 | 0.938 ± 0.005 | 2.223 ± 0.012 |
6 | 2.04 ± 0.31 | 106.46 ± 0.63 | 0.940 ± 0.006 | 2.218 ± 0.012 |
7 | 1.88 ± 0.34 | 106.27 ± 0.37 | 0.937 ± 0.003 | 2.214 ± 0.008 |
8 | 1.34 ± 0.41 | 106.42 ± 0.54 | 0.934 ± 0.005 | 2.217 ± 0.011 |