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Table 3 Content [%] of the 20 Compounds selected for the Principal Component and the Hierarchical Cluster Analyses in the essential Oils Extracted from the Leafs of eight Eucalyptus species

From: Chemical composition of essential oils of eight Tunisian Eucalyptus species and their antibacterial activity against strains responsible for otitis

Compounds Abbreviation Content[%]
   E. accedens E. bosistoana E. cladocalyx E. lesouefii E. melliodoa E. punctata E. robusta E. wandoo
α-Pinene α-pin 38.2 ± 13.7 10.8 ± 4.5 3.9 ± 0.8 12.8 ± 0.2 9.2 ± 0.8 4.2 ± 2.4 15.1 ± 2.0 6.5 ± 0.4
Β-pinene Β-pin - 0.3 ± 0.2 tr 10.9 ± tr 0.1 ± tr 5.4 ± 2.4 0.1 ± tr 0.1 ± tr
p-cymene p-cym 8.6 ± 2.9 4.0 ± 0.6 0.4 ± 0.1 7.7 ± tr 0.4 ± 0.5 28.7 ± 5.7 11.8 ± tr 35.8 ± 4.3
1,8-cineole 1,8-cin 28.1 ± 6.1 52.7 ± 8.6 39.2 ± 5.0 38.0 ± 0.6 66.3 ± 1.0 20.7 ± 12.2 26.5 ± 0.3 37.7 ± 4.9
γ-Terpinene γ-ter 0.1 ± tr 0.1 ± tr 0.1 ± tr 0.3 ± tr tr 0.1 ± 0.1 0.3 ± tr 3.9 ± 1.9
trans-Pinocarveol tr-pin 2.3 ± 0.9 3.1 ± 0.3 2.0 ± tr 3.2 ± tr 4.0 ± tr 4.2 ± 1.6 5.3 ± 0.2 2.2 ± 0.4
CItronellal cit 0.1 ± tr 0.1 ± tr 0.4 ± tr 1.0 ± tr 0.1 ± tr 0.2 ± tr 3.5 ± 0.1 tr
endo-Borneol enb 0.5 ± 0.2 0.9 ± 0.1 0.3 ± tr 0.4 ± tr 0.7 ± tr 1.1 ± 0.4 6.0 ± 0.3 0.4 ± 0.1
Terpinen-4-ol Ter-4-ol 0.4 ± 0.1 0.2 ± tr 0.3 ± tr 3.3 ± tr 0.3 ± tr 0.4 ± 0.2 0.3 ± 0.4 1.1 ± 0.4
Cryptone cry 0.1 ± 0.1 0.6 ± 0.1 0.3 ± tr 0.8 ± tr -b 8.4 ± 1.6 - 0.2 ± tr
α-Terpineol α–ter 0.5 ± tr 0.9 ± 0.1 0.2 ± 0.2 1.2 ± tr 1.6 ± tr 0.5 ± 0.2 6.7 ± 0.3 1.2 ± 0.3
p-Cymen-8-ol p-cy-8-ol 0.2 ± tr 0.1 ± tr tr - 0.1 ± tr 3.0 ± 1.2 0.4 ± tr 0.1 ± tr
Cuminaldehyde cum tr tr tr 0.1 ± tr tr 2.1 ± 0.6 0.2 ± 0.2 tr
Aromadendrene aro 0.2 ± 0.2 7.3 ± 3.7 8.7 ± 0.7 0.4 ± tr 0.6 ± 0.2 0.1 ± 0.1 0.2 ± 0.3 0.1 ± tr
Epiglobulol epi tr 0.9 ± 2.3 2.3 ± 0.5 0.1 ± tr 0.1 ± tr 0.1 ± tr 0.3 ± tr tr
Spathulenol spa 2.5 ± 3.2 4.1 ± 5.1 0.2 ± tr 4.6 ± 0.2 0.5 ± 0.1 1.6 ± 0.4 0.2 ± 0.3 -
Globulol glo 2.4 ± 0.3 2.3 ± 0.8 12.7 ± 2.9 0.8 ± tr 1.2 ± 0.4 - 1.4 ± 0.1 0.1 ± tr
Viridiflorol vir 1.0 ± 0.2 0.7 ± 0.1 2.6 ± 0.6 0.1 ± tr 0.2 ± tr 0.1 ± tr 0.3 ± tr 0.2 ± tr
Rosifoliol ros 0.2 ± 0.1 0.4 ± 0.4 1.7 ± 0.4 tr tr 0.1 ± 0.1 5.2 ± 0.5 tr
Methyl amyl acetate maa tr tra 8.9 ± 1.5 tr tr tr tr tr
  1. atr: Trace (< 0.1%).b−: Not detected
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BMC Complementary Medicine and Therapies

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