Table 10.
Precursor/production pairs and parameters for MRM of compounds 1–11 used in this study.
| Analyte | Retention Time (min) | Ionization Mode | MRM Transitions (Precursor-Product) | Cone Voltage (V) | Collision Energy (eV) |
|---|---|---|---|---|---|
| liquiritin | 3.60 | ESI− | 416.99→255.14 | 28 | 20 |
| naringin | 4.06 | ESI− | 579.31→271.12 | 40 | 28 |
| hesperidin | 4.18 | ESI+ | 611.31→303.18 | 20 | 46 |
| peimine | 4.18 | ESI+ | 432.43→95.15 | 18 | 14 |
| peiminine | 4.36 | ESI+ | 430.42→98.02 | 40 | 46 |
| liquiritigenin | 4.92 | ESI− | 257.15→119.04 | 26 | 22 |
| glycyrrhizic acid | 5.29 | ESI− | 823.35→453.35 | 18 | 30 |
| bergapten | 5.37 | ESI+ | 216.97→89.55 | 26 | 22 |
| nobiletin | 5.52 | ESI+ | 403.23→183.01 | 34 | 48 |
| osthole | 5.83 | ESI+ | 245.18→189.05 | 18 | 14 |
| glycyrrhetinic acid | 6.27 | ESI+ | 480.99→105.10 | 40 | 40 |