| Proximate composition | Ayous | Sapelli | Tali |
| TMH (wt%) | 36.9 ± 0.02 | 24.3± 0.01 | 41.45 ± 0.03 |
| TMS (wt%) | 7.83 ± 0.02 | 5.46 ± 0.02 | 8.12 ± 0.01 |
| TA (wt%) | 0.25 ± 0.01 | 0.52 ± 0.03 | 0.74 ± 0.03 |
| TVM (wt%) | 76.03 ± 0.01 | 73.84 ± 0.03 | 68.81± 0.04 |
| TFC (wt%) | 15.69 ± 0.03 | 20.18 ± 0.04 | 23.13 ± 0.03 |
| HHV (MJ/kg) | 21.8 ± 0.04 | 20.9 ± 0.05 | 19.6 ± 0.06 |
| LHV (MJ/kg) | 17.5 ± 0.03 | 16.8 ± 0.04 | 15.7 ± 0.05 |