Research Article

Geographical Characterization of Tunisian Olive Tree Leaves (cv. Chemlali) Using HPLC-ESI-TOF and IT/MS Fingerprinting with Hierarchical Cluster Analysis

Table 2

Phenolic composition (in % of total phenolics) of “Chemlali” olive leaves from different regions.

GabesGhraibaEl HajebJelmaKondarLamtaSidi Bou AliTeboulbaZaghouan

Quinic acid6.96 ± 0.055.21 ± 0.018.65 ± 0.457.86 ± 0.417.82 ± 0.519.26 ± 0.368.83 ± 0.796.58 ± 0.247.55 ± 1.02
Hyty-Gl8.59 ± 0.637.05 ± 0.166.98 ± 0.213.02 ± 0.155.13 ± 7.52 ± 0.2112.96 ± 0.809.06 ± 0.371.75 ± 0.15
Hyty1.65 ± 0.022.24 ± 0.021.01 ± 0.021.16 ± 0.011.83 ± 0.133.90 ± 0.061.56 ± 0.082.00 ± 0.091.92 ± 0.01
Ty-Gl0.44 ± 0.031.24 ± 0.110.86 ± 0.070.82 ± 0.020.45 ± 0.130.36 ± 0.150.79 ± 0.211.39 ± 0.13.74 ± 0.33
EA-Gl isomer 1nd0.58 ± 0.03nd1.39 ± 0.010.49 ± 0.1nqnd0.70 ± 0.021.34 ± 0.11
Secologanosidend15.78 ± 0.219.73 ± 0.2918.27 ± 0.8714.36 ± 0.6615.32 ± 0.819.72 ± 0.5712.77 ± 0.7814.17 ± 0.53
Caffeoylquinic acid isomer 10.30 ± 0.010.40 ± 0.080.18 ± 0.030.60 ± 0.10.32 ± 0.080.82 ± 0.060.42 ± 0.030.38 ± 0.020.74 ± 0.02
EA-Gl isomer 2ndndnd0.95 ± 0.13ndndnd0.07 ± 0.010.35 ± 0.07
Gallocatechin0.16 ± 0.012.58 ± 0.122.39 ± 0.12.54 ± 0.013.78 ± 0.48.89 ± 0.34.35 ± 0.242.39 ± 0.351.24 ± 0.43
Benzyl alcohol hexose-pentose1.90 ± 0.040.70 ± 0.020.90 ± 0.010.54 ± 0.111.03 ± 0.311.23 ± 0.271.35 ± 0.451.26 ± 0.20.86 ± 0.11
EA-Gl isomer 32.13 ± 0.031.90 ± 0.001.44 ± 0.011.76 ± 0.072.49 ± 0.381.14 ± 0.131.77 ± 0.471.42 ± 0.291.70 ± 0.19
Caffeoylquinic acid isomer 2nd0.20 ± 0.010.17 ± 0.010.24 ± 0.010.19 ± 0.050.33 ± 0.010.21 ± 0.000.13 ± 0.020.25 ± 0.02
Oleuropein aglycon derivative5.29 ± 0.067.96 ± 0.037.95 ± 0.396.83 ± 0.1310.42 ± 0.8113.30 ± 0.598.85 ± 0.777.42 ± 0.947.16 ± 0.43
EA-Gl isomer 4nd2.98 ± 0.143.85 ± 0.142.51 ± 0.023.41 ± 0.230.29 ± 0.072.51 ± 0.091.36 ± 0.151.14 ± 0.21
Demethyloleuropeinnd0.03 ± 0.000.20 ± 0.010.04 ± 0.010.54 ± 0.24nd0.18 ± 0.020.19 ± 0.01nq
Rutinnd0.18 ± 0.010.29 ± 0.040.20 ± 0.010.28 ± 0.030.27 ± 0.020.47 ± 0.170.53 ± 0.100.42 ± 0.05
Luteolin rutinosidenq0.05 ± 0.01nd0.06 ± 0.01nq0.19 ± 0.03ndnq0.10 ± 0.09
Verbascosidenqnq0.23 ± 0.04nqnqnq0.20 ± 0.111.38 ± 0.270.62 ± 0.18
Luteolin glucoside isomer 13.63 ± 0.012.50 ± 0.031.74 ± 0.541.79 ± 0.321.91 ± 0.012.53 ± 0.142.12 ± 0.651.48 ± 0.242.57 ± 0.22
Oleuropein glucoside0.37 ± 0.020.20 ± 0.010.13 ± 0.080.85 ± 0.050.02 ± 0.01nq0.10 ± 0.010.18 ± 0.020.57 ± 0.6
Diosmin isomer 1ndnqndnqnqnqnqndnq
Apigenin rutinosidenq0.04 ± 0.010.02 ± 0.000.02 ± 0.010.04 ± 0.0120.15 ± 0.010.05 ± 0.01nq0.07 ± 0.02
Diosmin isomer 2nqndndnqnqnqnqnd0.08
Taxifolin0.13 ± 0.010.14 ± 0.020.13 ± 0.010.77 ± 0.050.12 ± 0.021.35 ± 0.310.29 ± 0.140.60 ± 0.012.09 ± 0.31
Apigenin glucoside0.07 ± 0.010.22 ± 0.110.12 ± 0.060.36 ± 0.080.07 ± 0.010.58 ± 0.050.15 ± 0.020.12 ± 0.010.41 ± 0.04
Luteolin glucoside isomer 21.81 ± 0.021.21 ± 0.130.82 ± 0.040.75 ± 0.150.68 ± 0.031.08 ± 0.121.16 ± 0.040.77 ± 0.0111.11 ± 0.01
Chryseriol glucoside0.47 ± 0.030.33 ± 0.020.31 ± 0.08nd0.28 ± 0.010.34 ± 0.030.33 ± 0.01nq0.17 ± 0.02
Methoxyoleuropein13.46 ± 0.1511.27 ± 0.239.54 ± 0.127.55 ± 0.1011.56 ± 0.269.20 ± 0.4112.01 ± 0.104.60 ± 0.317.52 ± 0.16
Oleuropein isomer 125.39 ± 1.6817.87 ± 0.1520.25 ± 0.1523.77 ± 0.2215.76 ± 0.3512.41 ± 0.2715.20 ± 0.1918.96 ± 0.3822.87 ± 0.47
Oleuropein isomer 25.31 ± 0.313.39 ± 0.084.92 ± 0.37nd3.00 ± 0.281.15 ± 0.101.99 ± 0.094.25 ± 0.24nd
Oleuropein isomer 311.55 ± 0.456.62 ± 0.1112.03 ± 0.149.79 ± 0.075.56 ± 0.022.24 ± 0.154.49 ± 0.0711.00 ± 0.125.91 ± 0.07
Ligstroside0.55 ± 0.022.15 ± 0.032.00 ± 0.105.24 ± 0.071.57 ± 0.120.21 ± 0.010.90 ± 0.021.72 ± 0.086.83 ± 0.03
Oleuropein aglycon isomer 16.84 ± 0.052.98 ± 0.052.77 ± 0.04nd4.10 ± 0.092.38 ± 0.103.73 ± 0.144.02 ± 0.073.58 ± 0.04
Luteolin0.72 ± 0.021.60 ± 0.010.45 ± 0.03nd2.19 ± 0.0152.23 ± 0.342.82 ± 0.091.22 ± 0.0841.08 ± 0.01
Quercetin0.01 ± 0.000.08 ± 0.010.06 ± 0.010.30 ± 0.020.06 ± 0.000.74 ± 0.010.17 ± 0.030.40 ± 0.010.20 ± 0.02
Oleuropein aglycon isomer 22.57 ± 0.01ndndndnqndnd1.56 ± 0.12nd
Apigeninnq0.13 ± 0.01nqnd0.25 ± 0.050.61 ± 0.0120.32 ± 0.030.08 ± 0.010.04 ± 0.01
Diosmetinnq0.18 ± 0.01ndnd0.29 ± 0.02ndnd0.04 ± 0.01nd

nd: not detected; nq: not quantified (under the limit of quantification).