Table 1.
Chemical composition (%) of essential oils of E. occidentalis (A), E. striaticalyx (B) and E. stricklandii (C).
| Compound | Ki a | Ki b | A% | B% | C% | Identification | |
|---|---|---|---|---|---|---|---|
| 1 | α-thujene | 930 | - | - | 2.1 | - | 1,2,3 |
| 2 | α-pinene | 939 | 1012 | 0.2 | 7.4 | 4.3 | 1,2,3 |
| 3 | Camphene | 954 | 1075 | - | - | 0.1 | 1,2,3 |
| 4 | β-pinene | 979 | 1110 | - | 1.8 | - | 1,2,3 |
| 5 | Myrcene | 990 | 1145 | - | 1.5 | - | 1,2,3 |
| 6 | δ-2-carene | 1002 | - | - | 8.5 | - | 1,2 |
| 7 | α-phellandrene | 1002 | 1177 | 0.1 | - | - | 1,2,3 |
| 8 | α-terpinene | 1017 | 1170 | - | 1.3 | - | 1,2,3 |
| 9 | p-cymene | 1024 | - | 0.8 | 19.4 | 0.6 | 1,2,3 |
| 10 | Eucalyptol | 1031 | 1031 | 40.8 | 29.6 | 73.6 | 1,2,3 |
| 11 | γ-terpinene | 1059 | 1221 | - | 0.6 | 1.0 | 1,2,3 |
| 12 | Cis-sabinene hydrate | 1070 | - | - | 0.1 | - | 1,2 |
| 13 | Terpinolene | 1088 | - | - | 0.9 | - | 1,2,3 |
| 14 | Exo-fenchol | 1121 | - | - | - | 0.2 | 1,2 |
| 15 | Cis-p-menth-2-en-1-ol | 1121 | - | - | 0.3 | - | 1,2 |
| 16 | α-camphonenal | 1126 | - | - | - | 0.1 | 1,2 |
| 17 | Trans-pinocarveol | 1139 | - | 0.2 | 0.3 | 6.0 | 1,2 |
| 18 | Isopulegol | 1149 | 1533 | - | 0.3 | - | 1,2 |
| 19 | Eucarvone | 1150 | - | - | - | 1.3 | 1,2 |
| 20 | Sabina ketone | 1159 | 1651 | - | 0.4 | - | 1,2 |
| 21 | Isoborneol | 1160 | 1642 | - | - | 0.4 | 1,2 |
| 22 | Pinocarvone | 1164 | 1586 | - | 0.1 | - | 1,2,3 |
| 23 | Neo-iso-pulegol | 1171 | - | - | - | 0.2 | 1,2 |
| 24 | Terpinen-4-ol | 1177 | 1590 | - | 3.4 | 0.7 | 1,2,3 |
| 25 | Cryptone | 1185 | 1659 | - | 0.4 | 0.2 | 1,2 |
| 26 | α-terpineol | 1188 | 1661 | - | 0.4 | 1.2 | 1,2,3 |
| 27 | Neo-dihydrocarveol | 1194 | - | - | - | 0.4 | 1,2 |
| 28 | Trans-pulegol | 1214 | - | - | 0.3 | - | 1,2 |
| 29 | Trans-carveol | 1216 | 1878 | - | 0.2 | 0.5 | 1,2 |
| 30 | Cis-pulegol | 1229 | - | - | 0.4 | - | 1,2 |
| 31 | Cumin aldehyde | 1241 | - | - | 0.1 | - | 1,2 |
| 32 | δ-elemene | 1338 | 1479 | 0.1 | 1.5 | - | 1,2 |
| 33 | β-longipinene | 1400 | - | 1.0 | - | - | 1,2 |
| 34 | Longifolene | 1407 | 1574 | 4.8 | - | - | 1,2 |
| 35 | Aromadendrene | 1441 | 1631 | 0.7 | 0.2 | 0.1 | 1,2 |
| 36 | α-himachalene | 1451 | - | 0.1 | 0.4 | - | 1,2 |
| 37 | Allo-aromadendrene | 1460 | 1660 | 0.1 | - | 0.1 | 1,2 |
| 38 | 9-epi-(E)-Caryophyllene | 1466 | - | 0.1 | 0.1 | - | 1,2 |
| 39 | γ-gurjunene | 1477 | - | 0.6 | 0.6 | - | 1,2 |
| 40 | Epi-cubebol | 1494 | - | 0.1 | 0.1 | - | 1,2 |
| 41 | Viridiflorene | 1496 | - | - | 0.4 | 0.1 | 1,2 |
| 42 | γ-patchoulene | 1502 | - | 5.5 | - | 0.3 | 1,2 |
| 43 | Trans-β-guaiene | 1502 | - | 2.0 | - | - | 1,2 |
| 44 | Spathulenol | 1578 | - | 3.0 | 8.7 | 0.4 | 1,2 |
| 45 | Globulol | 1590 | 2104 | - | 2.1 | 1.8 | 1,2 |
| 46 | Viridiflorol | 1592 | 2110 | 29.9 | - | - | 1,2 |
| 47 | Cubeban-11-ol | 1595 | - | 1.0 | 0.2 | - | 1,2 |
| 48 | Rosifoliol | 1600 | - | - | 0.4 | 0.1 | 1,2 |
| 49 | Guaiol | 1600 | 2094 | - | - | 0.1 | 1,2 |
| 50 | α-epi-7-epi-5-eudesmol | 1607 | - | 2.0 | - | - | 1,2 |
| 51 | Epi-cedrol | 1619 | - | 2.1 | - | - | 1,2 |
| 52 | γ-eudesmol | 1632 | 2178 | - | - | 0.1 | 1,2 |
| 53 | Allo-aromadendrene epoxide | 1641 | - | - | 0.2 | - | 1,2 |
| 54 | Cubenol | 1646 | 2080 | 1.1 | - | - | 1,2 |
| 56 | β-eudesmol | 1650 | - | - | 0.2 | 3.2 | 1,2 |
| 57 | Vulgarone B | 1651 | - | - | 0.9 | - | 1,2 |
| 58 | Cedr-8(15)-en-9-α-ol | 1651 | - | - | 0.2 | - | 1,2 |
| 59 | α-eudesmol | 1653 | 2247 | 0.8 | 0.8 | - | 1,2 |
| 60 | α-cadinol | 1654 | 2224 | - | 0.3 | - | 1,2 |
| 61 | 5-hydroxy-isobornyl isobutanoate | 1658 | - | - | 0.2 | - | 1,2 |
| Total | 97.1 | 96.5 | 97.1 | ||||
| Monoterpene hydrocarbons | 1.1 | 43.5 | 6 | ||||
| Oxygenated monoterpenes | 41.0 | 36.3 | 84.8 | ||||
| Sesquiterpene hydrocarbons | 15.0 | 3.2 | 0.6 | ||||
| Oxygenated sesquiterpenes | 40.0 | 13.5 | 5.7 | ||||
a, b: Kovats retention indices determined relative to a series of n-alkanes (C10–C35) on the apolar HP-5 MS and the polar HP Innowax capillary columns, respectively; c: identification method: 1 = comparison of the Kovats retention indices with published data, 2 = comparison of mass spectra with those listed in the NIST 02 and Wiley 275 libraries and with published data, and 3 = coinjection with authentic compounds; - = absent.