Research Article
Chemometric Analysis and Physicochemical Composition of Foreign and Tunisian Olive Oil: Consumer Preferences
Table 5
Phenolic composition of the seven VOOs.
| Phenols (ppm) | Arbequina | Chemcheli | Chemleli | Chetoui | Coratina | Leguim | Zalmati |
| Total phenols | 182.54 ± 11.67b | 354.71 ± 37.89a,b | 251.72 ± 32.25b | 525.14 ± 70.07a | 468.04 ± 52.38a | 245.78 ± 27.82b | 209.55 ± 25.65b | Hydroxytyrosl | 0.22 ± 0.02a | 0.35 ± 0.28a | 0.92 ± 0.77a | 0.96 ± 0.49a | 0.36 ± 0.30a | 1.24 ± 1.16a | 0.18 ± 0.02a | Tyrosol | 1.07 ± 0.42a | 2.21 ± 1.55a | 1.22 ± 0.47a | 1.90 ± 1.13a | 1.22 ± 0.65a | 0.18 ± 0.11a | 0.32 ± 0.11a | DFOA | 10.17 ± 0.03a | 10.21 ± 0.17a | 10.78 ± 0.35a | 10.34 ± 0.07a | 16.39 ± 6.35a | 10.39 ± 0.35a | 10.30 ± 0.14a | DFLA | 10.39 ± 0.18a | 10.78 ± 0.40a | 13.48 ± 3.32a | 23.79 ± 8.95a | 13.95 ± 3.47a | 13.72 ± 3.52a | 10.64 ± 0.38a | Acetoxypinores inol | 0.40 ± 0.13a | 1.04 ± 0.56a | 0.09 ± 0.09a | 1.57 ± 0.89a | 0.82 ± 0.41a | 1.48 ± 0.08a | 0.09 ± 0.03a | Pinoresinol | 5.76 ± 2.24a | 0.64 ± 0.57a | 2.37 ± 1.15a | 5.75 ± 1.93a | 2.58 ± 2.52a | 0.73 ± 0.58a | 0.57 ± 0.39a | Elenolic acid | 1.69 ± 0.93a | 2.55 ± 1.31a | 0.71 ± 0.39a | 2.56 ± 1.20a | 1.48 ± 0.96a | 0.13 ± 0.04a | 2.47 ± 0.92a | Oleuropein aglycone | 17.87 ± 3.77a | 60.56 ± 15.06a | 45.32 ± 2.90a | 59.84 ± 19.98a | 63.96 ± 11.45a | 30.34 ± 11.75a | 54.33 ± 3.52a | Ligstroside aglycone | 0.41 ± 0.06a | 2.22 ± 1.44a | 0.53 ± 0.35a | 2.64 ± 1.58a | 1.45 ± 0.77a | 0.15 ± 0.09a | 0.17 ± 0.06a |
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Mean values in the same row with the same letter are not significantly different between cultivars.
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