| AIDS | acquired immunodeficiency syndrome |
| AITC | allylisothiocyanate |
| ATP | adenosine triphosphate |
| BITC | benzylisothiocyanate |
| EMA | European Medicines Agency |
| EO | essential oil |
| EOs | essential oils |
| EU | European Union |
| HMPC | Committee on Herbal Medicinal Products |
| IC50 | half maximal inhibitory concentration |
| IKKβ | inhibitor of nuclear factor kappa-B kinase subunit bet |
| IL-8 | interleukin 8 |
| ITCM | isothiocyanates mixture |
| ITCs | isothiocyanates |
| MBC | minimum bactericidal concentration |
| MIC | minimum inhibitory concentration |
| MRSA | methicillin-resistant Staphylococcus aureus |
| MSSA | methicillin-susceptible Staphylococcus aureus |
| NF-κB | the nuclear factor kappa-B |
| PEITC | phenylethyl isothiocyanate |
| TNF-α | tumor necrosis factor α |
| TRP | transient receptor potential |
| TRPA1 | transient receptor potential cation channel, subfamily A, member 1 |
| TRPM | transient receptor potential cation channel subfamily M, member 8 |
| TRPV3 | transient receptor potential cation channel, subfamily V, member 3 |
| TTO | tea tree oil |
| TU | traditional use |
| WHO | World Health Organization |