| Abstract | The major components of the leaf oil of the Ashe juniper were found to be d-camphor (42.1 %), d-bornyl acetate (22.5%), d-limonene (8.4%), tricyclene (4.8%), d-camphene (4.4%), d-borneol (2.9%), p-cymene (2.8%), d-α-myrcene (1.8%), d-α-pinene (1.7%), and d-camphene hydrate (1.5%). This appears to be the first time that the latter alcohol has been isolated from a natural source. Smaller amounts of linalool, carvone, elemol, and traces of trans-2-methyl-6-methylene-3,7-octadien-2-ol were also identified. Several alcohols having terminal methylene groups were isolated in trace amounts.The monoterpenes found in this oil are not typical for the genus Juniperus and this result offers a unique chemical approach to the study of introgression of the Ashe juniper with other juniper species. |
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