| Level | Factors | |||
| Yeast extract | KCl | Sodium acetate | Ethanol | |
| 1 | 902.1 | 944.7 | 772.8 | 926.0 |
| 2 | 868.2 | 1030.0 | 842.1 | 1014.3 |
| 3 | 976.2 | 771.9 | 1131.7 | 806.2 |
| Delta | 108.0 | 258.1 | 358.9 | 208.1 |
| Rank | 4 | 2 | 1 | 3 |