Browsing by Author "Asefa Abera"

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    Essential Oils of Some Eucalyptus Species of Ethiopia
    (Addis Ababa University, 1995-06) Asefa Abera; Dagne Ermias (PhD)
    The essential oils of the leaves of six Eucalyptus species (E. globulus Labill., E. citriodora Hooker, E. tereticornis Sm., E. viminalis Labill, E. robusta Sm. and E. camaldulensis Dehn) acclimatized in Ethiopia were investigated for the first time. The results indicated E. possess oil rich in globulus and E. 1, 8-cineole (>70~). viminalis to The principal components in oils of leaves of E. citriodora , E. robusta and E. camaldulensis were citronellal (>70~), a-pinene (>50*) and p-cymene (>30*), respectively. Essential oils of fruits of two Eucalyptus species (E. globulus and E. citriodora) were studied and found to be different from those obtained from their respective leaves. Essential oils from leaves of young and old plants of E. globulus did not show significant differences in yield and composition.