Journal of Japan Oil Chemists' Society
Online ISSN : 1884-2003
ISSN-L : 0513-398X
The Constituents of Essential Oil from Xanthium canadense Mill.
Yoshitsugu SAKUDAToshie TAHARA
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JOURNAL FREE ACCESS

1982 Volume 31 Issue 3 Pages 151-153

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Abstract
The essential oil obtained by steam distillation from leaves of Oonamomi (Xanthium canadense Mill.) has been stadied. The constituents were separated by means of column chromatography and preparative gas chromatography and were identified by GC, MS, IR and NMR.
Twelve terpenoid compounds and sixteen alkane were recognized as the constituents of the essential oil, among which germacrene-D (28.5%), cis-2-hexen-1-ol, limonene, δ-elemene, β-caryophyllene, α-humulene, β-selinene and δ-cadinene were main components.
Two oxygen-containing guaiene compounds were isolated and their respective stractures were assigned to be 6, 11-oxyguaja-4, 9-diene (27) and 4-hydroxyguaja-6 (7), 10 (14) -diene (31) based on the chemical and spectral evidence.
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