Research Article
Discrimination of Geographical Origin of Unroasted Kernels Argan Oil (Argania spinosa (L.) Skeels) Using Tocopherols and Chemometrics
Figure 2
Boxplot of: (a) α-tocopherol, (b) γ-tocopherol, (c) δ-tocopherol, and (d) total to copherolin argan oil samples collected in different provinces (Safi: SA, Essaouira: ES, Agadir: AG, Taroudant: TA, Tiznit: TI, and Sidi Ifni: SI). Significant differences () were expressed by different letters.
(a) |
(b) |
(c) |
(d) |