Table 1.
Mass parameters for 11 Gelsemium alkaloids and strychnine (IS).
| Compound name | Parent (m/z) | Daughter (m/z) | Cone (V) | Collision (V) |
|---|---|---|---|---|
| Humantenirine | 371.2 | 340.1 | 38 | 14 |
| Humantenine | 355.2 | 324.2 | 24 | 16 |
| Akuammidine | 353.1 | 166.1 | 28 | 26 |
| Gelsevirine | 353.1 | 322.1 | 22 | 40 |
| Rankinidine | 341.1 | 310.1 | 14 | 20 |
| n-Methoxyanhydrovobasinediol | 339.2 | 308.1 | 12 | 14 |
| Gelsenicine | 327.1 | 296.1 | 36 | 15 |
| Gelsemine | 323.1 | 236.1 | 46 | 22 |
| Koumine | 307.1 | 219.9 | 52 | 38 |
| Koumidine | 295.1 | 143.9 | 24 | 25 |
| Sempervirine | 273.2 | 257.0 | 24 | 25 |
| Strychnine (IS) | 335.2 | 184.2 | 25 | 22 |