| SCFA | Short-chain fatty acids |
| MCFA | Medium-chain fatty acids |
| MS | Multiple sclerosis |
| LC-MS | Liquid chromatography coupled with mass spectrometry |
| LC-MS/MS | Liquid chromatography coupled with tandem mass spectrometry |
| HPLC | High performance liquid chromatography |
| 3-NPH | 3-Nitrophenylhydrazine |
| EDC | 1-Ethyl-3-(3-dimethylaminopropyl)carbodiimide |
| PYR | Pyridine |
| AA | Acetic acid |
| PA | Propionic (Propanoic) acid |
| BA | Butyric (Butanoic) acid |
| CA | Caproic (Hexanoic) acid |
| LLOQ | Lower limit of quantification |
| QC | Quality control sample(s) |