| Tests | Reagent (pH) | Concentration (M) | Fermentation (Days) | Time (min) |
| 1 | NaOH | 0.1 | 7 | 30 |
| 2 | H2SO4 | 0.5 | 7 | 30 |
| 3 | H2SO4 | 0.1 | 15 | 30 |
| 4 | NaOH | 0.5 | 7 | 30 |
| 5 | NaOH | 0.1 | 15 | 30 |
| 6 | NaOH | 0.5 | 15 | 30 |
| 7 | H2SO4 | 0.5 | 15 | 30 |
| 8 | H2SO4 | 0.1 | 7 | 30 |
| 9 | H2SO4 | 0.1 | 7 | 15 |
| 10 | H2SO4 | 0.1 | 15 | 15 |
| 11 | H2SO4 | 0.5 | 7 | 15 |
| 12 | NaOH | 0.1 | 7 | 15 |
| 13 | NaOH | 0.1 | 15 | 15 |
| 14 | NaOH | 0.5 | 7 | 15 |
| 15 | NaOH | 0.5 | 15 | 15 |
| 16 | H2SO4 | 0.5 | 15 | 15 |