| Entry | Conversion (%) | Time (min.) | Sorbitol (%) | Mannitol (%) |
| 1. | 66 | 60 | 99.961 | 0.039 |
| 2. | 79 | 120 | 99.952 | 0.048 |
| 3. | 92 | 240 | 99.081 | 0.919 |
| 4. | 92 | 300 | 96.092 | 3.908 |