| SFN | sulforaphane |
| SFN-DX | SFN-derived compound X |
| RT | retention time |
| HPLC | high-performance liquid chromatography |
| DW | distilled water |
| ACN | acetonitrile |
| HS-SPME | headspace solid phase microextraction |
| GC-MS | gas chromatography–mass spectrometry system |
| NMR | nuclear magnetic resonance |
| DEPT | distortionless enhancement by polarization transfer |
| HSQC | heteronuclear single quantum coherence |
| COSY | 1H–1H correlation spectroscopy |
| HMBC | heteronuclear multiple bond correlation |
| EI-MS | electron ionization–mass spectrometry |