| AAPH | 2,2′-azobis(2-methylpropionamidine) |
| BDE | bond dissociation energy/enthalpy |
| DPPH | 2,2-diphenyl-1-picrylhydrazyl |
| DTNB | 5,5′-dithiobis(2-nitrobenzoic acid) |
| ET | electron transfer |
| EPR | Electron Paramagnetic Resonance |
| F6P | fructose-6-phosphate |
| FRAP | Ferric ion Reduction Antioxidant Power |
| G6P | glucose-6-phosphate |
| GAE | gallic acid equivalent |
| HAT | hydrogen atom transfer |
| J0,4… | ‘Johanniter’ wines obtained after appropriate maceration time, in days |
| KHT | potassium hydrogen tartrate |
| MLF | malolactic fermentation |
| LOD | limit of detection |
| LC–MS | Liquid Chromatography–Mass Spectrometry |
| ORAC-fl | fluorescein-based Oxygen Radical Absorbance Capacity |
| PCET | proton-coupled electron transfer |
| PT | proton transfer |
| PhO– | phenolate ion |
| R0,4… | ‘Regent’ wines obtained after appropriate maceration time, in days |
| ROO• | peroxyl radical |
| RT | room temperature |
| SET | single electron transfer |
| SPLET | sequential proton loss electron transfer |
| TAE | tartaric acid equivalent |
| TAm | total acidity of must |
| TAw | total acidity of wine |
| TE | Trolox equivalent |
| TEMPO | 2,2,6,6-tetramethylpiperidine-1-oxyl |
| TPC | total phenolic content |
| UHPLC | Ultra-High-Performance Liquid Chromatography |