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)ArbequinaChemcheliChemleliChetouiCoratinaLeguimZalmati

Total phenols182.54 ± 11.67b354.71 ± 37.89a,b251.72 ± 32.25b525.14 ± 70.07a468.04 ± 52.38a245.78 ± 27.82b209.55 ± 25.65b
Hydroxytyrosl0.22 ± 0.02a0.35 ± 0.28a0.92 ± 0.77a0.96 ± 0.49a0.36 ± 0.30a1.24 ± 1.16a0.18 ± 0.02a
Tyrosol1.07 ± 0.42a2.21 ± 1.55a1.22 ± 0.47a1.90 ± 1.13a1.22 ± 0.65a0.18 ± 0.11a0.32 ± 0.11a
DFOA10.17 ± 0.03a10.21 ± 0.17a10.78 ± 0.35a10.34 ± 0.07a16.39 ± 6.35a10.39 ± 0.35a10.30 ± 0.14a
DFLA10.39 ± 0.18a10.78 ± 0.40a13.48 ± 3.32a23.79 ± 8.95a13.95 ± 3.47a13.72 ± 3.52a10.64 ± 0.38a
Acetoxypinores inol0.40 ± 0.13a1.04 ± 0.56a0.09 ± 0.09a1.57 ± 0.89a0.82 ± 0.41a1.48 ± 0.08a0.09 ± 0.03a
Pinoresinol5.76 ± 2.24a0.64 ± 0.57a2.37 ± 1.15a5.75 ± 1.93a2.58 ± 2.52a0.73 ± 0.58a0.57 ± 0.39a
Elenolic acid1.69 ± 0.93a2.55 ± 1.31a0.71 ± 0.39a2.56 ± 1.20a1.48 ± 0.96a0.13 ± 0.04a2.47 ± 0.92a
Oleuropein aglycone17.87 ± 3.77a60.56 ± 15.06a45.32 ± 2.90a59.84 ± 19.98a63.96 ± 11.45a30.34 ± 11.75a54.33 ± 3.52a
Ligstroside aglycone0.41 ± 0.06a2.22 ± 1.44a0.53 ± 0.35a2.64 ± 1.58a1.45 ± 0.77a0.15 ± 0.09a0.17 ± 0.06a

Mean values in the same row with the same letter are not significantly different between cultivars.