| A | Absorbance |
| ABTS | 2,2′-Azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) |
| ANOVA | Analysis of Variance |
| DMEM | Dulbecco’s modified Eagle medium |
| DMSO | Dimethyl sulfoxide |
| DPPH | 2,2-Diphenyl-1-picrylhydrazyl |
| ER | Estrogen receptor |
| ESI | Electrospray ionization |
| FBS | Fetal bovine serum |
| GA | Gallic acid |
| GAE | Gallic acid equivalent |
| HER2 | Human epidermal growth factor receptor 2 |
| IC50 | Half-maximal inhibitory concentration |
| MTT | 3-(4,5-Dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide |
| m/z | Mass-to-charge ratio |
| PBS | Phosphate-buffered saline |
| psi | pounds per square inch |
| PVDF | Polyvinylidene fluoride |
| Q | Quercetin |
| QE | Quercetin equivalent |
| TEAC | Trolox equivalent antioxidant capacity |
| T-EDTA | Trypsin-ethylene diaminetetraacetic acid |
| TFC | Total flavonoid content |
| TNBC | Triple-negative breast cancer |
| TPC | Total phenolic content |
| Trolox | 6-Hydroxy-2,5,7,8-tetramethylchroman-2-carboxylic acid |
| UHPLC-ESI-QTOF-MS | Ultrahigh performance liquid chromatography-electrospray ionization-quadrupole time-of-flight mass spectrometer |
| v/v | Volume by volume |
| [M+H]+ | Protonated molecule |
| [M-H]− | Deprotonated molecule |