Table 1 Contents (%) of the 25 major compounds of the essential oils, extracted from the leaves of 8 Eucalyptus species, selected for the Principal Components and the Hierarchical Clusters Analyses
â„– | Compounds | Abbreviations | Content a (%) | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
E. maid b | E. cin | E. sid | E. odo | E. bic | E. leh | E. astr | E. leuc | |||
1. | α-Pinene | α-pin | 7.3 ± 0.7 | 4.5 ± 0.7 | 6.9 ± 1.1 | 1.0 ± 0.7 | 3.7 ± 1.2 | 17.6 ± 7.5 | 22.0 ± 6.0 | 7.8 ± 2.3 |
2. | Limonene | lim | 3.1 ± 0.2 | 3.7 ± 0.5 | 4.1 ± 0.1 | 0.4 ± 0.2 | 0.9 ± 0.5 | 4.4 ± 0.3 | 1.4 ± 0.3 | 2.0 ± 0.5 |
3. | 1.8-Cineole | 1.8-cin | 57.8 ± 1.9 | 70.4 ± 2.5 | 69.2 ± 0.6 | 4.5 ± 1.6 | 68.0 ± 5.3 | 56.6 ± 4.3 | 42.0 ± 5.9 | 59.2 ± 10.1 |
4. | γ-Terpinene | γ-ter | 1.7 ± 0.9 | 0.1 ± 0.0 | 0.1 ± 0.0 | 0.2 ± 0.2 | 0.1 ± 0.1 | 0.9 ± 0.2 | 0.1 ± 0.1 | 0.2 ± 0.4 |
5. | p-Cymene | p-cym | 7.4 ± 2.9 | 1.2 ± 0.1 | 0.8 ± 0.1 | 16.7 ± 5.2 | 1.4 ± 0.5 | 2.0 ± 0.2 | 0.9 ± 0.2 | 2.9 ± 3.4 |
6. | Pinocarvone | pin | 0.5 ± 0.2 | 0.3 ± 0.1 | 0.2 ± 0.0 | 0.2 ± 0.1 | 2.2 ± 0.5 | 0.2 ± 0.0 | 1.8 ± 0.8 | 1.2 ± 0.2 |
7. | Terpinene-4-ol | Ter-4ol | 1.1 ± 0.3 | 0.4 ± 0.1 | 0.6 ± 0.0 | 3.0 ± 0.8 | 0.2 ± 0.1 | 0.3 ± 0.1 | 0.4 ± 0.1 | 0.2 ± 0.2 |
8. | Aromadendrene | aro | 1.6 ± 0.8 | 0.1 ± 0.0 | 0.5 ± 0.2 | 0.4 ± 0.0 | 2.0 ± 0.8 | 0.2 ± 0.0 | 3.6 ± 1.2 | 2.1 ± 1.4 |
9. | tr-Pinocarveol | tr-pin | 2.0 ± 0.8 | 1.0 ± 0.2 | 1.2 ± 0.1 | 0.8 ± 0.2 | 4.6 ± 0.6 | 1.0 ± 0.2 | 7.0 ± 2.5 | 4.3 ± 1.0 |
10. | Cryptone | cry | - | - | tr ± 0.1 | 20.9 ± 1.3 | - | - | 0.1 ± 0.1 | - |
11. | α-Terpineol | α-ter | 2.2 ± 0.2 | 10.3 ± 1.1 | 5.4 ± 0.9 | 0.8 ± 0.2 | 0.6 ± 0.3 | 8.7 ± 2.5 | 1.3 ± 0.3 | 1.6 ± 0.7 |
12. | Verbenone | ver | - | - | tr ± 0.1 | 0.9 ± 0.2 | - | - | 0.1 ± 0.1 | - |
13. | Phellandral | phe | - | 0.2 ± 0.2 | - | 6.6 ± 0.4 | 0.2 ± 0.2 | - | - | - |
14. | Cuminal | cum | - | 0.1 ± 0.0 | - | 6.6 ± 0.6 | - | - | - | - |
15. | tr-p-Mentha-1.7. 8dien-2-ol | tr-p-men | 0.5 ± 0.1 | 1.0 ± 0.2 | 0.6 ± 0.0 | 0.5 ± 0.1 | 1.0 ± 0.1 | 0.2 ± 0.1 | 0.4 ± 0.1 | 0.8 ± 0.1 |
16. | p-Cymen-8-ol | p-cym | 0.1 ± 0.0 | 0.1 ± 0.0 | 0.1 ± 0.0 | 2.9 ± 0.6 | 0.1 ± 0.0 | tr ± 0.1 | 0.1 ± 0.0 | 0.1 ± 0.1 |
17. | cis-p-Mentha-1. 7. 8dien-2-ol | cis-men | 0.4 ± 0.2 | 1.0 ± 0.2 | 0.6 ± 0.0 | 0.1 ± 0.1 | 1.0 ± 0.1 | 0.3 ± 0.2 | 0.4 ± 0.1 | 0.8 ± 0.1 |
18. | Caryophyllene oxide | car-ox | 0.1 ± 0.0 | tr ± 0.1 | 0.1 ± 0.1 | 1.7 ± 0.2 | tr ± 0.1 | 0.1 ± 0.1 | 0.1 ± 0.0 | tr ± 0.1 |
19. | Epiglobulol | epi | 0.4 ± 0.2 | 0.1 ± 0.1 | 0.1 ± 0.0 | tr ± 0.1 | 1.0 ± 0.2 | 0.1 ± 0.0 | 1.2 ± 0.3 | 1.1 ± 0.6 |
20. | Globulol | glo | 1.7 ± 1.4 | 0.6 ± 0.2 | 1.1 ± 0.3 | 0.8 ± 0.2 | 5.4 ± 1.2 | 0.6 ± 0.2 | 6.2 ± 0.9 | 5.8 ± 2.9 |
21. | Viridiflorol | vir | 0.7 ± 0.3 | 0.2 ± 0.1 | 0.4 ± 0.1 | 1.0 ± 0.3 | 0.8 ± 0.2 | 0.2 ± 0.1 | 1.1 ± 0.1 | 0.8 ± 0.4 |
22. | Spahulenol | spa | 0.1 ± 0.1 | 0.2 ± 0.1 | 0.5 ± 0.3 | 3.2 ± 0.9 | 0.1 ± 0.0 | 1.0 ± 0.1 | 0.9 ± 0.1 | 0.1 ± 0.1 |
23. | Carvacrol | car | 0.4 ± 0.1 | 0.1 ± 0.0 | 0.1 ± 0.0 | 1.7 ± 0.3 | 0.1 ± 0.0 | 0.2 ± 0.0 | 0.2 ± 0.1 | 0.3 ± 0.3 |
24. | α-Eudesmol | α-eud | 1.1 ± 0.6 | - | 0.4 ± 0.1 | - | 0.1 ± 0.0 | 0.3 ± 0.1 | 0.1 ± 0.0 | 0.2 ± 0.1 |
25. | β-Eudesmol | β-eud | 3.0 ± 1.9 | 0.2 ± 0.0 | 0.6 ± 0.1 | 0.1 ± 0.2 | tr ± 0.1 | 0.3 ± 0.1 | 0.1 ± 0.0 | 0.1 ± 0.2 |