| ROS | Reactive Oxygen Species |
| p53 | Tumor suppressor protein 53 |
| BCL-2 | B-cell lymphoma 2 |
| BAX | BCL-2-associated X protein |
| NF-κB-p65 | Nuclear factor-kappa B-p65 subunit |
| BNHLE | Buxus natalensis hydroethanolic leaf extract |
| BNMLE | Buxus natalensis methanolic leaf extract |
| BNALE | Buxus natalensis aqueous leaf extract |
| LC-MS | Liquid chromatography mass spectrometry |