|
|
Table 5. Results of batch fermentations |
|
Observed parameters |
L. rhamnosus MTCC 1408(wild type strain) |
L. rhamnosus NN5 (mutant strain) |
|
|
Glucose-yeast extract medium |
Glucose-yeast extract medium |
Optimised defined medium |
|
| μ, h-1 |
0.31 |
0.28 |
0.23 |
| Yield of biomass, g/g |
0.098 |
0.097 |
0.098 |
| Yield of Lactic acid, g/g |
0.81 |
0.88 |
0.89 |
| Yield of Ethanol, g/g |
0.042 |
0.000 |
0.000 |
| Volumetric productivity, g/l/h |
2.38 |
2.14 |
1.95 |
| Fermentation time, h |
34 |
40 |
45 |
|
|