Table 4.
Content of tannins identified and quantified in the extracts, expressed as mg/g on dry extract. MS data were acquired in negative ion mode (ESI(−)).
| Aerial | Roots | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Tannins | Formula (Neutral Compound) |
Theorical m/z * | Exp m/z * | ppm | DCM | EA | MeOH | W | DCM | EA | MeOH | W |
| Ellagic acid hexoside | C20H16O13 | 465.0669 | 465.0681 | −2.74 | - | - | - | - | 3.72 | 3.59 | 0.01 | 1.80 |
| Ellagic acid hexoside | C20H16O13 | 465.0669 | 465.0683 | −3.19 | - | - | 0.85 | - | 3.59 | 2.28 | 2.56 | 2.42 |
| Ellagic acid hexoside | C20H16O13 | 465.0669 | 465.0681 | −2.74 | - | - | - | 0.35 | 22.63 | 0.92 | 0.01 | 0.47 |
| Ellagic acid deoxyhexoside | C20H16O12 | 449.0720 | 449.0732 | −2.83 | - | - | 0.59 | - | 2.91 | 2.84 | 1.76 | 2.30 |
| Ellagic acid deoxyhexoside | C20H16O13 | 449.0721 | 449.0732 | −2.70 | - | - | - | - | 1.49 | 1.30 | 0.02 | 0.66 |
| Ellagic acid deoxyhexoside | C20H16O14 | 449.0720 | 449.0732 | −2.80 | - | - | - | - | 9.46 | 8.55 | 0.01 | 4.28 |
| Ellagic acid derivative | C20H13O14 | 477.0295 | 477.0305 | −2.22 | - | - | 0.29 | 0.64 | 3.61 | 3.26 | 54.86 | 29.06 |
| Ellagic acid derivative | C20H13O14 | 477.0295 | 477.0305 | −2.22 | - | - | 4.27 | 4.44 | 1.61 | 1.48 | 12.82 | 7.15 |
| Ellagic acid derivative | C20H13O14 | 477.0295 | 477.0305 | −2.22 | - | - | 2.11 | 1.87 | 2.31 | 2.11 | 6.32 | 4.21 |
| Ellagic acid | C14H6O8 | 300.9983 | 300.9985 | −0.56 | - | - | 5.42 | 3.74 | 11.21 | 10.16 | 16.25 | 13.21 |
| total | - | - | 13.53 | 11.03 | 62.55 | 36.49 | 94.63 | 65.56 | ||||
* m/z values refer to [M + H]+ ions.