Table 4. Main detected compounds (μg/g DW) by LC-ESI-MS from different parts of Ziziphus Mill. species in Tunisia.
| Samples | Ziziphus lotus | Ziziphus mauritiana | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Bengardane | Oued Esseder | El Fjé | |||||||
| Compounds | Leaves | Fruits | Seeds | Leaves | Fruits | Seeds | Leaves | Fruits | Seeds |
| Quinic acid | 108.86 ± 11.58fg | 162.02 ± 9.29e | 65.12 ± 8.34h | 418.12 ± 36.89c | 149.02 ± 25.32ef | 88.10 ± 14.19gh | 800.01 ± 46.26b | 902.40 ± 31.70a | 258.94 ± 17.71d |
| Gallic acid | - | - | 5.59 ± 0.29b | 10.47 ± 1.79a | - | 4.37 ± 0.86b | 10.36 ± 1.79a | - | - |
| Catechin (+) | 3.31 ± 0.33c | - | 2.18 ± 0.09d | 7.71 ± 2.32b | - | 1.56 ± 0.29e | 296.01 ± 14.68a | - | 1.29 ± 0.10e |
| Chlorogenic acid | - | 7.58 ± 0.22b | 10.59 ± 0.68a | - | 7.28 ± 0.38b | 9.88 ± 0.05a | - | - | - |
| 4-O-caffeoylquinic acid | 0.31 ± 0.04c | - | - | - | - | 1.16 ± 0.14b | 23.34 ± 6.41a | - | 0.24 ± 0.03c |
| Caffeic acid | - | - | - | - | - | - | 4.95 ± 1.52a | - | - |
| Syringic acid | - | - | 0.58 ± 0.14b | 1.96 ± 0.31a | - | - | 0.41 ± 0.11b | - | - |
| 1,3-di-O-caffeoylquinic acid | - | - | - | - | 1.38 ± 0.21a | - | - | - | - |
| Epicatechin | - | 2.20 ± 0.28b | - | 2.45 ± 0.19b | - | - | 46.49 ± 5.51a | - | - |
| P-coumaric acid | 3.30 ± 0.21d | 5.01 ± 0.09c | 2.58 ± 0.53d | 6.53 ± 0.58b | 3.22 ± 0.25d | 2.62± 0.25d | 15.67 ± 2.91a | 7.06 ± 0.96b | 5.19 ± 0.66bc |
| Trans ferulic acid | - | - | - | 0.99 ± 0.09c | - | - | 4.20 ± 0.83a | 1.69 ± 0.16b | 1.45 ± 0.04b |
| Hyperoside | - | - | 1.75 ± 0.42c | 375.57 ± 10.11b | - | 1.91 ± 0.45c | 1226.51 ± 225.88a | - | - |
| Rutin | 2921.52 ± 11.49b | 82.85 ± 11.88d | 12.49 ± 1.33f | 4803.82 ± 468.69a | 162.27 ± 3.41c | 14.63 ± 0.55f | 3290.10 ± 396.82b | 34.99 ± 0.11e | 9.29 ± 0.12g |
| Luteolin-7-o-glucoside | - | - | - | - | 1.32 ± 0.01a | - | - | - | - |
| 3,4-di-O-caffeoylquinic acid | - | - | - | - | - | 5.71 ± 0.44a | - | - | - |
| Quercitrin | 17.43 ± 0.13b | 5.7 ± 0.07e | - | 53.98 ± 16.59a | 6.09 ± 0.03c | 5.84 ± 0.10de | 93.45 ± 28.76a | 5.92 ±0.02d | - |
| Naringin | 10.94 ± 0.40b | 0.87 ± 0.13c | 0.95 ± 0.01c | 37.68 ± 8.26a | - | - | - | - | - |
| Apigenin-7-o-glucoside | - | 0.13 ± 0.01c | 0.49 ± 0.05a | - | 0.09 ± 0.01c | 0.27 ± 0.04b | - | - | 0.09 ± 0.03c |
| 4,5-di-O-caffeoylquinic acid | - | - | - | - | - | 10.46 ± 1.10a | 9.30 ± 0.70a | - | 2.11 ± 0.26b |
| Salviolinic acid | - | - | - | - | - | - | 10.58 ± 1.61a | - | - |
| Trans cinnamic acid | - | - | 9.98 ± 0.63b | 19.21 ± 1.39a | - | - | 10.19 ± 2.02b | - | - |
| Quercetin | 0.96 ± 0.01d | - | 0.98 ± 0.10d | 2.63 ± 0.19b | 0.78 ± 0.02e | - | 4.89 ± 0.97a | 1.21 ± 0.01c | - |
| Kaempferol | - | - | - | 2.13 ± 0.35a | - | - | - | - | - |
| Naringenin | - | - | 0.46 ± 0.06c | 0.62 ± 0.08c | - | 2.94 ± 0.09a | 1.12 ± 0.06b | 1.24 ± 0.08b | 1.33 ± 0.20b |
| Apigenin | - | - | 0.26 ± 0.01c | 0.35 ± 0.04b | - | 0.79 ± 0.08a | - | - | - |
| Luteolin | 2.31 ± 0.10e | - | 8.33 ± 0.38b | 2.85 ± 0.60e | - | 43.65 ± 4.18a | 4.98 ± 0.76d | - | 6.21 ±0.01c |
| Cirsilineol | - | - | 7.01 ± 0.24b | - | - | 39.35 ± 2.86a | 2.77 ± 0.83d | - | 5.31 ± 0.08c |
| Acacetin | - | - | - | 0.29 ± 0.13a | - | 0.22 ± 0.02a | - | - | - |
Results were given as means ± SD. Means in a line followed by the same letter are not significantly different by Duncan’s Multiple Range Test at the p < 0.05 levels; -: not detected.