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Steam volatile leaf oils of some Western Australian species of the family Myrtaceae
Author(s) -
Lassak Erich V.,
Brophy Joseph J.
Publication year - 2003
Publication title -
flavour and fragrance journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.393
H-Index - 70
eISSN - 1099-1026
pISSN - 0882-5734
DOI - 10.1002/ffj.1265
Subject(s) - myrtaceae , chemistry , botany , biology
The essential oils of Agonis obtusissima F. Muell., Eremaea pauciora (Endl.) Druce, Eucalyptus erythrocorys F. Muell., Eucalyptus stoatei C. Gardner, Kunzea pulchella (Lindl.) A. S. George, Malleostemon tuberculatus (E. Pritzel) J. W. Green, Melaleuca uncinata R. Br., Thryptomene australis Endl. and Thryptomene kochii E. Pritzel have been extracted by cohobative water‐distillation of the leaves and terminal branchlets. The oils of Kunzea pulchella (both the red and the white‐owered forms) contained globulol (83–88%). The oils of Thryptomene australis contained geranic acid (52%) and α ‐pinene (22%), whilst T. kochii oils contained α ‐pinene (58–60%). Eremaea pauciora oil contained 1,8‐cineole (22%) and the three isomeric eudesmols ( α ‐, β ‐, γ ‐; 26%). Agonis obtusissima oil contained α ‐pinene (12%), trans ‐ β ‐ocimene (16%) and globulol (39%). Malleostemon tuberculatus oil contained α ‐pinene (33%), 1,8‐cineole (21%) and E , E ‐farnesol (6%). The oil of Melaleuca uncinata , rich in α ‐pinene (89%), represents the hydrocarbon form of this species. The oil of Eucalyptus erythrocorys contained 1,8‐cineole (59%) and α ‐pinene (12%), whilst the oil of Eucalyptus stoatei contained α ‐pinene (32%), 1,8‐cineole (26%), globulol (10%) and the three isomeric eudesmols ( α ‐, β ‐, γ ‐, 11%). Copyright © 2003 John Wiley & Sons, Ltd.