| Entry | Pre-reduction | Conversion % | Sorbitol % | Mannitol % | Temp. ˚C | Time (min) |
| 1 | No Red. | 92 | 99.081 | 0.919 | 245 | 240 |
| 2 | Red. with H2 | 95 | 99.992 | 0.008 | 245 | 240 |