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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

From: Chemical composition of 8 eucalyptus species' essential oils and the evaluation of their antibacterial, antifungal and antiviral activities

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
  1. a Values are means ± SD of triplicate determination.
  2. b E.maid = E. maidenii, E. cin = E. cinerea, E. Sid = E. sideroxylon, E. odo = E. odorata, E. bic = E. bicostata, E. leh = E. lehmannii, E. ast = E. astringens, E. leuc = E. leucoxylon.