From: Foam-free production of Surfactin via anaerobic fermentation of Bacillus subtilis DSM 10T
Chtioui et al. 2012 | Coutte et al. 2010 | The current study | Willenbacher et al. 2014 | |
---|---|---|---|---|
Surfactin producer | Bacillus subtilis ATCC 21332 | Bacillus subtilis ATCC 21332 | Bacillus subtilis DSM 10T | Bacillus subtilis DSM 10T |
Fermentation approach | Rotating discs | Membrane bioreactor | Anaerobic, no gas flow | Foam fractionation |
Cultivation time [h] | 72 | 72 | 55 | 30 |
Max. cSurfactin [g/L] | 0.212* | 0.242* | 0.087 | 3.995 (foam) |
YP/X [g/g] | 0.068 | 0.078* | 0.278 | 0.192 |
YX/S [g/g] | 0.189 | 0.164* | 0.120 | 0.268 |
YP/S [g/g] | 0.013 | 0.013 | 0.033 | 0.052 |
qSurfactin [g/(g∙h)] | 0.001* | 0.001* | 0.005 | 0.006 |
vol. qSurfactin [g/(L∙h)] | 0.003* | 0.003* | 0.002 | 0.018 |