Table 2.
Physicochemical properties of the Argan oil according to the origin and procedure of extraction
| Properties | Tunisia solvent extraction |
Morocco cold pressing extraction |
Morocco Solvent extraction [37] |
Algeria solvent extraction [36] (Tindouf) |
Algeria cold pressing extraction [38] (Tindouf) |
Algeria solvent extraction [36] (Mostaganem) |
|---|---|---|---|---|---|---|
| Density (20 °C) | 0,841 | 0,890 | 0,906 | 0,912 | 0,914 | 0,918 |
| Refractive index (20 °C) | 1470 | 1473 | 1468 | 1465 | na | 1469 |
| Acidity index | 1851 | 2805 | na | na | na | na |
| Free Acidity (% oleic acid) | 0,90 | 1,05 | 1,3 | 0,12 | 0,8 | 0,11 |
| Oil quality | extra virgin | virgin | virgin | refined | extra virgin | refined |
na not available