TABLE 2.
Chemical composition of E. gunnii essential oil.
| N. | Compound | % | KIa | KIb | Identificationc |
| 1 | α-Pinene | 0.3 | 942 | 939 | 1,2,3 |
| 2 | Camphene | 6.3 | 945 | 954 | 1,2,3 |
| 3 | 1,8 Cineole | 33.0 | 946 | 1026 | 1,2,3 |
| 4 | δ-2-Carene | 0.7 | 997 | 1002 | 1,2,3 |
| 5 | m-Cymenene | 0.1 | 999 | 1085 | 1,2 |
| 6 | Dehydro-linalool | 2.3 | 1045 | 1090 | 1,2 |
| 7 | 1-p-Menthene | 0.3 | 1073 | 1026 | 1,2 |
| 8 | γ-Terpinene | 0.3 | 1075 | 1059 | 1,2,3 |
| 9 | cis-Sabinene hydrate | 0.9 | 1083 | 1070 | 1,2 |
| 10 | 1,3,8-p-Menthatriene | 1.0 | 1095 | 1110 | 1,2 |
| 11 | Terpinolene | 5.9 | 1097 | 1088 | 1,2,3 |
| 12 | trans-p-Mentha-2,8-dien-1-ol | 0.8 | 1129 | 1122 | 1,2 |
| 13 | Silphinene | 0.5 | 1224 | 1347 | 1,2 |
| 14 | trans-Sabinene hydrate acetate | 15.0 | 1238 | 1256 | 1,2 |
| 15 | Presilphiperfol-7-ene | 0.7 | 1292 | 1336 | 1,2 |
| 16 | Longicyclene | 9.1 | 1313 | 1374 | 1,2,3 |
| 17 | (Z)-Caryophyllene | 0.3 | 1360 | 1408 | 1,2,3 |
| 18 | α-Gurjunene | 1.8 | 1370 | 1409 | 1,2 |
| 19 | Aromadendrene | 2.7 | 1429 | 1441 | 1,2,3 |
| 20 | Spathulenol | 0.6 | 1447 | 1578 | 1,2 |
| 21 | Globulol | 10.3 | 1452 | 1590 | 1,2,3 |
| 22 | Viridiflorol | 2.6 | 1460 | 1592 | 1,2,3 |
| 23 | Cubeban-11-ol | 1.1 | 1462 | 1595 | 1,2 |
| 24 | Rosifoliol | 1.4 | 1470 | 1600 | 1,2 |
| Total | 98.0 | ||||
| Monoterpene hydrocarbons | 15.9 | ||||
| Oxygenated monoterpenes | 51.0 | ||||
| Sesquiterpenes hydrocarbons | 15.1 | ||||
| Oxygenated sesquiterpenes | 16.0 |
aLinear retention index on a HP-5MS column; bLinear retention index on a HP Innowax column; cIdentification method: 1 = linear retention index; 2 = identification based on the comparison of mass spectra; 3 = co-injection with standard compounds.