Abstract
The neutral leaf oil of the creeping juniper from the Prairies was analyzed by gas–liquid chromatography. d-Sabinene (36.5%) was found to be the major constituent, and smaller amounts of d-limonene (17.5%), p-cymene (3.0%), d-α-pinene (1.6%), γ-terpinene (0.4%), d-terpinen-4-ol (4.6%), linalool (0.8%), citronellol (0.8%), γ-cadinene (1.3%), l-elemol (3.8%), α-cadinol or γ-eudesmol (1.6%), and impure α-cyperone (3.9%) were isolated. α-Thujene (3.0%), camphene (0.2%), β-pinene (0.3%), myrcene (3.0%),β-phellandrene (0.2%,), terpinolene (0.1%), 2,4-(8)-p-menthadiene (0.1%), methyl citronellate (0.4%), and geraniol (0.2%) were tentatively identified. The composition of this oil closely resembles that of Rocky Mountain juniper leaves. A small amount of the oil from a hybrid of these two species was analyzed and the possibility of detecting hybridization by analysis of the leaf oil is discussed.
Published Version
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