Table 2.
Physicochemical properties of baobab seed oil.
| Physiochemical properties | Region | |||
|---|---|---|---|---|
| Iringa | Dodoma | Kilimanjaro | p values | |
| FFA (mEq/100 g oil) | 1.03 ± 0.05 | 1.03 ± 0.05 | 1.06 ± 0.05 | 0.752 |
| Specific gravity (g/ml oil) | 0.928 + 0.001 | 0.928 + 0.001 | 0.928 + 0.001 | 0.47 |
| Refractive index (at 26°C) | 1.05 ± 0.01 | 1.07 ± 0.00 | 1.04 ± 0.00 | 0.03 |
| Saponified matter (mEq NaOH/g of sample) | 196.87 ± 2.8 | 196.45 ± 0.77 | 186.83 ± 0.45 | 0.114 |
| Unsaponifiable matter (g/100 g) | 1.22 ± 0.06 | 1.17 ± 0.09 | 0.90 ± 0.08 | 0.001 |
| Peroxide value (mEq/kg) | 3.8 ± 0.61 | 3.69 ± 0.10 | 3.83 ± 0.35 | 0.742 |
| Iodine value (mEq iodine/g) | 87.16 ± 5.31 | 87.69 ± 0.61 | 90.70 ± 1.71 | 0.407 |