| ET | Electron transfer |
| TAC | Total antioxidant capacity |
| ROS/RNS | Reactive oxygen/nitrogen species |
| AOx | Antioxidant |
| HSA | Human serum albumin |
| Hb | Hemoglobin |
| TEAC | Trolox equivalent antioxidant capacity |
| GSH | Glutathione |
| FRAP | Ferric reducing antioxidant power |
| ORAC | Oxygen Radical Absorbance Capacity |
| CUPRAC | Cupric ion reducing antioxidant capacity |
| ABTS | 2,2′-azinobis(3-ethylbenzothiazoline-6-sulfonic acid) diammonium salt |
| DPPH | 2,2-diphenyl-1-picryl-hydrazyl |
| HSAB | Hard and Soft Acids and Bases |
| GA | Gallic acid |
| CYS | Cysteine |
| HCYS | Homocysteine |
| NAC | N-acetyl-l-cysteine |
| CFA | Caffeic acid |
| CAT | Catechin |
| EC | Epicatechin |
| BSA | Bovine serum albumin |
| RS | Thiyl radical |
| TPTZ | 2,4,6-Tris(2-pyridyl)-S-triazine |
| PBS | Phosphate buffered saline |
| Nc | Neocuproine |