Research Article
Chemical Composition and Physicochemical Analysis of Opuntia dillenii Extracts Grown in Morocco
Table 3
Physicochemical properties of O. dillenii seed oils from the three localities.
| Properties | Locality | Codex Stan 210–1999 and COI standards [26] | Oujda | Nador | Essaouira |
| Acid value (mg KOH/g of oil) | 5.61 ± 0.04 | 7.85 ± 0.20 | 8.97 ± 0.41 | — | Saponification value (mg of KOH/g of oil) | 238.42 ± 1.73 | 252.45 ± 1.54 | 210.37 ± 0.98 | 168–265 | Ester value (mg KOH/g of oil) | 232.82 ± 1.92 | 244.60 ± 1.34 | 201.40 ± 1.63 | — | Peroxide value (Meq O2/kg of oil) | 5.85 ± 0.46 | 6.35 ± 0.92 | 5.60 ± 0.91 | Max (10) | Density (20°C) | 0.926 ± 0.04 | 0.925 ± 0.18 | 0.913 ± 0.37 | 0.881–0.927 | Refractive index (20°C) | 1.476 ± 0.93 | 1.478 ± 0.82 | 1.477 ± 0.62 | 1.447–1.477 | Water content (%) | 0.148 ± 0.03 | 0.189 ± 0.09 | 0.154 ± 0.10 | Max 0.2% | pH | 6.54 ± 0.4 | 6.50 ± 0.34 | 6.96 ± 0.94 | — |
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