Table 1.
Characteristics of essential oils used in the study.
| Essential Oil (Name of EO in INCI) |
Composition |
|---|---|
| Star anise (Illicium Verum Oil) |
trans-anethole (86.0%–93.0%), linalool (0.2%–2.5%), estragole (0.5%–6.0%), α-terpineol (<0.3%), cis-anethole (0.1%–0.5%), anisaldehyde (0.1%–0.5%), foeniculin (0.1%–3.0%) [53] |
| Cinnamon (Cinnamomum Zeylanicum Bark Oil) |
cinnamaldehyde (76.8%), methoxycinnamaldehyde (11.7%), cinnamyl acetate (3.2%), cumarin (1.5%), benzaldehyde (1.1%) [48,49] |
| Citronella (Cymbopogon Winterianus Oil) |
citronellal (36.2%), geraniol (22.4%), citronellol (14.1%), limonene (3.5%), elemol (3.3%), citronellyl acetate (3.2%) [51] |
| Clove (Eugenia Caryophyllus Oil) |
eugenol (85.3%), β-caryophyllene (10.6%), α-humulene (2.0%) [47,49] |
| Geranium (Pelargonium Graveolens Oil) |
citronellol (26.7%), geraniol (13.4%), nerol (8.7%), citronellyl formate (7.1%), isomenthone (6.3%), linalool (5.2%), 10-epi-γ-eudesmol (4.4%), geranyl formate (2.5%), menthone (1.6%), β-caryophyllene (1.5%), geranyl butyrate, cis-rose oxide (1.4%), geranial (1.1%), β-baurobonene (1.1%) [47,48,49,52] |
| Lavender (Lavandula Angustifolia Oil) |
linalool (34.1%), linalyl acetate (33.3%), lavandulil acetate (3.2%), β-ocymene (3.2%), β-caryophyllene (2.7%), cineole (2.5%), terpinen-4-ol (2.5%), myrecene (2.4%), α-terpineol (1.8%) [48,49] |
| Limette (Citrus aurantifolia oil) |
linalyl acetate (48.06%), linalool (26.88%), α-terpineol (5.74%), geranyl acetate (3.92%), geraniol (3.05%), geranial (2.44%) [50] |
| Mint (Mentha Piperita Oil) |
menthol (30.0%–55.0%), menthone (14.0%–32.0%), cineole (3.5%–14.0%), menthyl acetate (2.8%–10.0%), isomenthone (1.5%–10.0%), menthofuran (1.0%–9.0%), limonene (1.0%–5.0%), isopulegol (<0.2%), pulegone (<4.0%), carvone (<1.0%) [53] |
| Rosemary (Rosmarinus Officinalis Oil) |
1.8-cineole (46.4%), camphor (11.4%), α-pinene (11.0%), β-pinene (9.2%), camphene (5.2%), β-caryophyllene (3.5%), borneol (3.1%), αa-terpineol (1.8%), p-cymene (1.3%), myrecene (1.2%) [47,49] |
| Thyme (Thymus Vulgaris Oil) |
thymol (38.1%), p-cymene (29.1%), γ-terpinene (5.2%), linalool (3.7%), β-Caryophyllene (3.1%), carvacrol (2.3%) [46,47,49] |
Legend: INCI = International Nomenclature of Cosmetic Ingredients.