| Plant Material (GEL) | Total Weight of the material (g) | Weight used for the extraction(g) | Weight of the Extract (g) | Yield % (w/w) |
| Aloe camperi | 15 | 12 | 8.0 | 66.7 |
| Aloe elegans | 29 | 12 | 6.2 | 51.6 |
| Aloe schoelleri | 18 | 12 | 9.3 | 77.5 |
| Aloe eumassawana | 12 | 12 | 10.0 | 83.3 |