| Bcl-2 | B-cell CLL/lymphoma 2 |
| DPPH | 2,2-diphenyl-1-picrylhydrazyl |
| EtOH | ethanol |
| FBS | fetal bovine serum |
| HPex | hydroalcoholic extract of H. purpurascens |
| LC-MS | Liquid chromatography–mass spectrometry |
| mRNA | messenger ribonucleic acid |
| Pen/Strep | penicillin/streptomycin solution |
| Ph. Eur. | European Pharmacopoeia |
| RT-PCR | reverse transcription–polymerase chain reaction |
| TAOxA | Total Antioxidant Activity |