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Scale-up of antibiotic-free system
| Fermenter scale | 1 L | 30 L | ||
|---|---|---|---|---|
| Induction time | 3 h | 20 h | 3 h | 20 h |
| A600 | 72 | 47 | 73 | 55 |
| P+ % | 100 | 98 | 100 | 100 |
| rEPA (mg/L) | 337 | 603 | 194 | 275 |
No marked differences appear between 1 liter and 30 liters fermentation for the antibiotic-free system in terms of both, cell density and % of P+ cells.
