| %EtOH | Percentage (%) of ethanol in water |
| %TDNA | Percentage (%) of DNA present in the comet tail |
| AA | Antioxidant Activity |
| AAPH | 2,2′-azobis(2-methylpropionamidine)dihydrochloride |
| ANOVA | Analysis of Variances |
| CATE | Catechin Equivalents |
| CONV | Conventional olive pomace extract |
| DE | Dry Extract |
| DMEM/F-12 | Dulbecco’s Modified Eagle’s Medium/Nutrient Mixture F-12 |
| DMSO | Dimethyl Sulfoxide |
| EMA | European Medicines Agency |
| ESI- | Electrospray Ionization Source in negative ion mode |
| EtOH | Ethanol |
| EY | Extraction Yield |
| GAE | Gallic Acid Equivalents |
| HCE | Human Corneal Epithelial cells |
| HT | Hydroxytyrosol |
| IM-ConjEpi | Immortalized Human Conjunctival Epithelial cells |
| kobs | Degradation constant |
| MeOH | Methanol |
| OL | Oleuropein |
| OL+HT | Combination of Oleuropein and Hydroxytyrosol |
| OLC | Oleacein |
| OLE | Oleuropein Equivalents |
| OP | Olive Pomace |
| OPT3 | Optimized olive pomace extract |
| ORAC | Oxygen Radical Absorbance Capacity |
| PLE | Pressurized Liquid Extraction |
| RH | Relative Humidity |
| S/L | Solid/Liquid ratio |
| scCO2 | supercritical carbon CO2 |
| SD | Standard Deviation |
| T | Temperature |
| t1/2 | Half-life period |
| TE | Trolox Equivalents |
| TFC | Total Flavonoid Content |
| tlag | Lag time |
| TPC | Total Phenolic Content |
| Trolox | 6-hydroxy-2,5,7,8-tetramethylchromane-2-carboxylic acid |
| TY | Tyrosol |