| GABA | Gamma aminobutyric acid |
| GC | Gas chromatography |
| HPLC | High performance liquid chromatography |
| HPLC-DAD | HPLC-diode array detector |
| HPLC-MS | HPLC-mass spectrometer |
| HPLC-UV | HPLC-ultraviolet |
| LOD | Limit of detection |
| LOQ | Limit of quantification |
| POD | Peroxidase |
| PPO | Polyphenol peroxidase |
| PVPP | Polyvinylpolypyrrolidone |
| RP-HPLC | Revere phase-HPLC |
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