Table 1.
Partial identification of saponins in PaLE by UPLC-DAD.
| Compounds | RT (min) | [M + H]+ (m/z) | [M − H]− (m/z) | [M + CHCOOH]− (m/z) | Sugar Residues | Characteristic m/z of Ions in Negative Ion Mode |
|---|---|---|---|---|---|---|
| C42H68O13 | 6.15 | 781 | 779.6 | 825 | Glc; Glc | 779.2; 617.5; 455.1 |
| C42H68O13 | 6.23 | 781 | 779.8 | 825 | Glc; Glc | 779.4; 617.4; 455.2 |
| C42H70O13 | 6.86 | 783 | 781.5 | 827 | Glc, Glu | 781.5; 619.7; 443.3; 178.8; 161.1 |
| C42H70O13 | 6.07 | 783 | 781.8 | 827 | Glc; Rham | 781.4; 619.6; 160.8; 146.8 |
| C42H70O13 | 6.48 | 783 | 781.5 | 827 | Glc; Pent | 781.5; 619.0; 161.3; 130.9 |
| C42H70O14 | 4.81 | 799 | 797.4 | 843 | Glc | 797.5; 635.2; 179.0 |
| C42H70O14 | 5.22 | 799 | 797.6 | 843 | Glc; Glu | 797.6; 635.2; 460.1; 159.3 |
| C42H70O14 | 5.47 | 799 | 797.4 | 843 | Glc | 797.4; 635.3; 455.5; 159.6 |
| C42H70O14 | 6.02 | 799 | 797.4 | 843 | Glc | 797.3; 635.3; 422.4; 161.2 |
| C42H70O15 | 5.37 | 815 | 813.7 | 859 | Glc; Glc | 813.4; 651.2; 489.6; 161.0 |
| C48H80O18 | 4.96 | 945 | 943.5 | 989 | Glc; Glc | 943.7; 780.4; 653.2; 621.8 |
| C48 H80 O18 | 5.01 | 945 | 943.6 | 989 | Glc; Glu | 943.5; 781.3; 588.8 |
| C48H80O19 | 4.44 | 961 | 959.8 | 1005 | Glc; Glc; Glu | 959.2; 797.5; 459.0; 161.2 |
| C54H90O23 | 4.66 | 1107 | 1105.3 | 1151 | Rham; Glu; Glc; Pent | 1105.2; 959.8; 782.2; 489.0; 179.0 |
| C54H90O23 | 4.86 | 1107 | 1105.1 | 1151 | Glc; Pent | 1105.3; 943.3; 471.4; 131.0 |
| C54H90O24 | 4.46 | 1123 | 1121.4 | 1167 | Glc | 11,121.4; 959.1 |
| C54H90O24 | 4.26 | 1123 | 1121.6 | 1167 | Glc | 11,121.6; 959.4; 691.4 |
Glc = glucose/galactose; Glu = glucoronic acid; Rham = rhamnose; Pent = pentose.