Table 1.
Chemical composition of the different parts of E. oleosa essential oil.
| Peak | KI | Compounds | Stems | Adult leaves | Fruits | Immature flowers |
|---|---|---|---|---|---|---|
| 1 | 936 | α-Pinene | 5.2 | 1.7 | 2.6 | 2.2 |
| 2 | 951 | α-Fenchene | 1.9 | 0.0 | ||
| 3 | 954 | Camphene | 0.4 | 3.4 | 0.5 | 0.2 |
| 4 | 976 | Sabinene | 0.2 | 0.6 | ||
| 5 | 1025 | p-Cymene | 6.8 | 10.6 | 9.0 | 9.2 |
| 6 | 1028 | Limonene | 4.2 | 1.5 | 0.7 | 1.6 |
| 7 | 1030 | 1,8-Cineole | 31.5 | 8.7 | 29.1 | 47.0 |
| 8 | 1033 | β-Phellandrene | 0.2 | 0.1 | ||
| 9 | 1057 | γ-Terpinene | 0.4 | 0.7 | 0.4 | 0.5 |
| 10 | 1086 | α-Terpinolene | 0.3 | 0.2 | 0.1 | 0.2 |
| 11 | 1091 | Methyl benzoate | 0.3 | |||
| 12 | 1108 | endo-Fenchol | 0.1 | 0.2 | ||
| 13 | 1137 | 4-Acetyl-1-methylcyclohexene | 1.1 | 0.6 | 0.4 | |
| 14 | 1138 | trans-2-Caren-4-ol* | 0.7 | 0.2 | 0.2 | |
| 15 | 1140 | cis-Sabinol | 3.1 | 4.2 | 2.5 | 1.0 |
| 16 | 1141 | trans-Pinocarveol | 9.9 | 0.1 | 0.1 | |
| 17 | 1166 | Borneol | 0.9 | 0.5 | 0.3 | 1.1 |
| 18 | 1168 | Pinocarvone | 3.5 | 1.8 | 1.0 | 0.3 |
| 19 | 1185 | p-Cymen-8-ol | 1.9 | 4.4 | 1.2 | 1.4 |
| 20 | 1195 | Myrtenal | 0.3 | 1.0 | 0.3 | 0.2 |
| 21 | 1202 | Myrtenol | 0.5 | 0.7 | 0.3 | 0.2 |
| 22 | 1208 | Verbenone | 2.1 | 3.7 | 1.4 | 0.8 |
| 23 | 1231 | cis-Carveol | 0.1 | 0.1 | ||
| 24 | 1235 | Neral | 0.1 | 0.1 | ||
| 25 | 1237 | Pulegone | 0.3 | 0.2 | 0.1 | 0.3 |
| 26 | 1237 | Cuminaldehyde | 2.2 | 3.1 | 0.9 | 1.2 |
| 27 | 1280 | Piperitone | 0.4 | 0.3 | 0.1 | |
| 28 | 1286 | Bornyl acetate | 1.1 | 0.0 | ||
| 29 | 1288 | p-Cymen-7-ol | 1.1 | 4.0 | 0.8 | 0.8 |
| 30 | 1302 | Carvacrol | 1.6 | 0.4 | 0.4 | |
| 31 | 1320 | Methyl geranate | 0.6 | 0.1 | 0.2 | |
| 32 | 1340 | Methyl 2-methoxybenzoate* | 0.1 | |||
| 33 | 1354 | exo-2-Hydroxycineole acetate* | 0.3 | 0.1 | 0.2 | |
| 34 | 1373 | Isoledene* | 0.3 | 0.1 | ||
| 35 | 1380 | α-Copaene* | 0.2 | 0.1 | ||
| 36 | 1388 | β-Bourbonene | 0.4 | 1.7 | 0.4 | |
| 37 | 1404 | Methyl eugenol | 0.3 | 0.0 | ||
| 38 | 1407 | α-Gurjunene | 0.2 | 0.5 | ||
| 39 | 1456 | γ-Selinene | 0.4 | 0.5 | 0.3 | |
| 40 | 1480 | γ-Muurolene | 0.6 | 0.3 | ||
| 41 | 1487 | β-Selinene | 1.3 | 1.1 | ||
| 42 | 1493 | Viridiflorene | 0.3 | 0.6 | ||
| 43 | 1516 | α-Selinene | 0.5 | 10.0 | 2.1 | |
| 44 | 1526 | δ-Cadinene | 0.8 | 1.2 | 1.4 | |
| 45 | 1527 | Calamenene | 0.4 | 0.3 | 0.5 | 0.4 |
| 46 | 1565 | Ledol | 1.0 | 1.2 | 1.0 | |
| 47 | 1576 | Spathulenol | 3.5 | 16.1 | 3.4 | 0.0 |
| 48 | 1578 | Globulol | 0.4 | 0.7 | 0.9 | 0.7 |
| 49 | 1580 | β-Caryophyllene oxide | 0.5 | 1.1 | 0.7 | 0.8 |
| 50 | 1590 | Viridiflorol | 0.6 | 1.1 | 2.3 | 1.4 |
| 51 | 1596 | Guaiol | 1.6 | 2.8 | 0.0 | |
| 52 | 1620 | (+)-Spathulenol | 0.6 | 0.2 | ||
| 53 | 1648 | γ-Eudesmol | 5.6 | 15.0 | 16.4 | 12.5 |
| 54 | 1650 | α-Cadinol | 1.0 | 2.0 | 3.3 | 2.3 |
| 55 | 1651 | β-Eudesmol | 3.2 | 1.0 | 0.0 | |
| 56 | 1805 | Nootkatone* | 0.3 | 0.5 | 0.5 | 0.3 |
| 57 | nd | Dihydroumbellulone | 0.5 | 0.4 | 0.2 | 0.3 |
| 58 | nd | Methyl ionone* | 0.1 | 0.1 | 0.2 | |
| 59 | nd | 5,7-Dimethyl-1-tetralone* | 0.4 | 0.6 | 0.3 | 0.3 |
| 60 | nd | trans-Longipinocarveol* | 0.4 | 0.0 | ||
| 61 | nd | Platambin* | 0.7 | 0.3 | 0.1 | |
| Total | 98.8 | 99.1 | 99.6 | 99.1 | ||
| Monoterpene hydrocarbons | 12.6 | 7.5 | 4.5 | 5.5 | ||
| Monoterpenes Oxygenated | 52.9 | 21.2 | 35.9 | 51.9 | ||
| Sesquiterpenes hydrocarbons | 1.8 | 1.1 | 16.7 | 7.3 | ||
| Sesquiterpenes Oxygenated | 16.7 | 43.2 | 29.0 | 19.4 | ||
| Others | 14.9 | 24.6 | 13.1 | 14.6 | ||
| Phenolics | 0.0 | 1.6 | 0.4 | 0.4 | ||
| Extraction yields (%) | 0.52 | 0.45 | 1.12 | 0.53 | ||
* Tentatively identified according to the mass spectrum (MS) and by comparison of KI with the literature. nd: not determined.