Essential oil composition of four Lomatium Raf. species and their chemotaxonomy
2005
Asuming, W.A. | Beauchamp, P.S. | Descalzo, J.T. | Dev, B.C. | Dev, V. | Frost, S. | Ma, C.W.
The composition of the essential oils of Lomatium dasycarpum ssp. dasycarpum, Lomatium lucidum, Lomatium macrocarpum var. macrocarpum and Lomatium utriculatum is described. Identification of components was determined from their GC, GC/MS data and many were confirmed by coinjections with authentic samples. Several components were isolated by liquid and gas chromatographic techniques and their structures confirmed from their 1H and 13C NMR spectral data. 2-Methyl and 3-methylbutanoates were the major components of L. dasycarpum fruits as well as stems and leaves oils. beta-Phellandrene/limonene, decanal, dodecanal, bornyl acetate, germacrene D, alpha-humulene and bicyclogermacrene were the major components of the corresponding L. lucidum oils. alpha-Pinene and beta-pinene were the major components of the fruit oil of L. macrocarpum. Its stem and leaf oil was rich in peucenin 7-methyl ether, beta-caryophyllene, (Z)-3-hexenol, palmitic acid, linoleic acid and (E)-2-hexenal. Sabinene, (Z)-ligustilide, terpinen-4-ol, beta-phellandrene/limonene, beta-caryophyllene, myrcene, alpha-pinene and beta-pinene were the major compounds in L. utriculatum fruit oil, while its stem and leaf oil was rich in (Z)-ligustilide, palmitic acid, terpinen-4-ol, linoleic acid and germacrene D. (Z)-Falcarinol was a major component of all the four root oils.
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