Table 1 The range of variables for L-LA fermentation of CS film-coated SA-PVA immobilized L. pentosus cells from FT
Factor | Variable | Code | Unit | Level | ||
|---|---|---|---|---|---|---|
−1 | 0 | +1 | ||||
1 | Sodium alginate concentration | CSA | % (w/v) | 1 | 3 | 5 |
2 | Polyvinyl alcohol concentration | CPVA | % (w/v) | 4.0 | 5.5 | 7.0 |
3 | Chitosan concentration | CCS | % (w/v) | 0.2 | 0.5 | 0.8 |
4 | Fructose concentration | CFT | g/L | 90 | 105 | 120 |
5 | Temperature | T | °C | 31 | 35 | 39 |
6 | pH | pH | 5 | 6 | 7 | |