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Keywords:

  • Eucalyptus gamophylla F. Muell;
  • Eucalyptus gongylocarpa Blakely;
  • Eucalyptus eudesmioides F. Muell. subsp.eudesmioides;
  • Eucalyptus tetragona (R. Br.) F. Muell.;
  • Eucalyptus erythrocorys F. Muell.;
  • Eucalyptus gittinsii Brooker & Blaxell;
  • Eucalyptus ebbanoensis Maiden;
  • Eucalyptus camaldulensis Dehnh. var.camaldulensis;
  • Eucalyptus globulus Labill. subsp.globulus;
  • Eucalyptus globulus subsp.bicostata Maiden, Blakeley & J. Simm.;
  • Eucalyptus globulus subsp.maidenii F. Muell.;
  • Eucalyptus globulus subsp.pseudoglobulus Naudin ex. Maiden;
  • E. camaldulensis clones;
  • Myrtaceae;
  • leaf essential oil composition;
  • torquatone;
  • mono- and sesquiterpenoids;
  • GC-MS

Abstract

The volatile leaf oils of: Eucalyptus gamophylla F. Muell.; E. gongylocarpa Blakely; E. eudesmioides F. Muell. subsp. eudesmioides; E. tetragona (R. Br.) F. Muell; E. erythrocorys, F. Muell.; E. gittinsii Brooker & Blaxell; E. ebbanoenis Maiden; six specimens of E. camaldulensis Dehnh. var. camaldulensis; E. globulus Labill. subsp. globulus; E. globulus subsp. bicostata Maiden, Blakely & J. Simm.; E. globulus subsp. maidenii F. Muell.; and E. globulus subsp. pseudoglobulus Naudin ex. Maiden; isolated by vacuum distillation, were analysed by GC and by GC-MS. Many species contained α-pinene (1.0–47.2%), β-pinene (0–0.9%), 1,8-cineole (0.2–68.8%), p-cymene (0.2–20.1%), aromadendrene (0–15.0%), bicyclogermacrene (0–46.6%) and spathulenol (0.1–29.0%) as principal leaf oil components: all species contained torquatone.