Table 1.
Country of origin, type of cultivation and production, used batch numbers, and chemical composition * of the used essential oils according to the certificates of analysis of the manufacturer PRIMAVERA LIFE GmbH.
| Cajeput | Lemongrass | Tea Tree | Thyme | ||||
|---|---|---|---|---|---|---|---|
| Cambodia/wild harvesting | Nepal/organic cultivation | Australia/organic cultivation | Spain and France/organic cultivation | ||||
| Steam distillation of the leaves and tops of Melaleuca leucadendron L. var cajaputi | Steam distillation of freshly cut and slightly dried grass of Cymbopogon flexuosus | Steam distillation of the leaves of Melaleuca alternifolia | Steam distillation of blooming herbs from Thymus vulgaris c.t. linalool | ||||
| Batch 00284C27 and 00012A27 | Batch: 00536M26 and 00290E27 | Batch: 00040D27 | Batch: 00689F25 and 00146J26 | ||||
| Component | % | Component | % | Component | % | Component | % |
| α-pinene | 1.76 | camphene | 1.12–2.71 | α-thujene | 0.91 | α-pinene | 2.22–3.35 |
| benzaldehyde | 0.13 | 6-methyl-5-heptene-2-one | 1.46–2.95 | α-pinene | 2.52 | camphene | 0.54–0.95 |
| β-pinene | 1.27 | limonene + c-β-ocimene | 0.93–2.27 | sabinene | 0.28 | 1-octene-3-ol + sabinene | 0.82–1.12 |
| myrcene | 1.23 | exo-isocitral | 0.44–0.66 | β-pinene | 0.71 | β-pinene | 0.54–0.66 |
| α-terpinene | 0.23 | citronellal | 0.48–0.54 | β-myrcene | 0.84 | β-myrcene | 4.91–8.86 |
| p-cymene | 0.37 | photocitral A | <0.01–0.34 | α-phellandrene | 0.44 | α-phellandrene | 0.27–0.52 |
| limonene | 5.26 | isoneral | 1.13–1.80 | α-terpinene | 9.49 | α-terpinene | 2.25–4.04 |
| 1,8-cineol | 64.13 | isogeranial | 1.86–2.81 | p-cymene | 2.63 | p-cymene | 1.24–3.67 |
| γ-terpinene | 0.74 | 1-decanal | 0.15–0.24 | limonene | 0.85 | limonene | 1.73–3.04 |
| linalool | 2.69 | citronellol + nerol | 0.22–0.59 | β-phellandrene | 0.85 | β-phellandrene | 0.46–0.53 |
| δ-terpineol | 0.24 | neral | 28.49–33.88 | 1,8-cineol | 2.08 | 1.8-cineol | 0.56–0.59 |
| terpinen-4-ol | 0.78 | geraniol | 0.83–7.82 | γ-terpinene | 20.26 | γ-terpinene | 5.14–6.87 |
| α-terpineol | 11.43 | geranial | 36.45–43.38 | ledene + bicyclogermacrene | 0.79 | c-sabinene hydrate + c-linalool oxide | 0.96–1.18 |
| geraniol | 0.26 | geranyl acetate | 0.20–4.03 | linalool | 0.06 | terpinolene + t-linolool oxid | 1.19–2.06 |
| eugenol | 0.04 | β-carophyllene | 0.66–1.85 | c-p-Menth-2-en-1-ol | 0.27 | linalool | 44.56–57.28 |
| α-ylangene | 0.18 | isoeugenol | 0.13–0.14 | t-p-Menth-2-en-1-ol | 0.20 | hotrienol | 0.64–1.44 |
| β-caryophyllene | 1.21 | γ-cadinene | 1.08–1.26 | Terpinen-4-ol | 40.39 | c-p-Menth-2-en-1-ol | 0.18–0.24 |
| α-humulene | 0.80 | δ-cadinene | 0.27–0.31 | α-terpineol | 2.81 | t-p-Menth-2-en-1-ol | 0.16–0.18 |
| β-selinene | 1.29 | caryophyllene oxide | 0.46–0.51 | methyleugenol | 0.05 | camphor | 0.51–0.77 |
| α-selinene | 0.88 | 4-nonanone | <0.01–1.37 | t-β-caryophyllene | 0.42 | borneol | 1.10–1.61 |
| guaiol | 0.66 | linalool | 1.19–1.39 | aromadendrene | 1.33 | Terpinen-4-ol | 7.57–10.51 |
| β-eudesmol | 0.46 | eugenol + α-cubebene | <0.01–0.04 | allo-aromadendrene | 0.55 | α-terpineol | 1.00–1.74 |
| δ-cadinene | 1.18 | c-dihydro-carvone | 0.19–0.22 | ||||
| globulol | 0.29 | linalyl acetate | 0.46–2.28 | ||||
| terpinolene | 3.62 | β-caryophyllene | 0.01–0.61 | ||||
| 6-methyl-5-heptene-2-one | <0.01–0.04 | ||||||
| t-α-bergamotte | <0.01–1.71 | ||||||
| m-thymol | <0.01–0.83 | ||||||
| citronellol + nerol | <0.01–0.07 | ||||||
* gas chromatography analysis performed on GC-FID-MS Perkin Elmer Clarus 500 using column DB5-MS. 60 m × 0.25 mm × 0.25 µm.