| ABTS | 2:2′-azino-bis (3-ethylbenzothiazoline-6-sulfonic acid) |
| ADME-Tox | absorption, distribution, metabolism, excretion, and toxicology |
| DPPH | 2,2-diphenyl-1-picrylhydrazyl |
| FRAP | ferric reducing antioxidant power |
| GC-MS | gas chromatography–mass spectrometry |
| PCA | principal component analysis |
| PDB | Protein Data Bank |
| PE1 | propolis extract 1 |
| PE2 | propolis extract 2 |
| Phen | 1,10-phenanthroline |
| RMSD | root mean square deviation |
| TFC | total flavonoid content |
| TPC | total phenolic content |
| UHPLC-DAD-ESI/MS | ultra-high-performance liquid chromatography with diode array detection and electrospray ionization mass spectrometry |