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MRM ion transitions and collision energies used for the determination of five alkaloids and IS.
| Compound | Precursor Ion (m/z) | Product Ion (m/z) | Collision Energy (eV) |
|---|---|---|---|
| Protopine | 354.0 | 188.0 | 33 |
| Chelidonine | 354.0 | 275.0 | 28 |
| Coptisine | 320.0 | 261.9 | 36 |
| Sanguinarine | 331.9 | 274.0 | 34 |
| Chelerythrine | 348.0 | 304.0 | 32 |
| Palmatine(IS) | 352.0 | 308.1 | 30 |
