Journal
BIOCHEMICAL SYSTEMATICS AND ECOLOGY
Volume 30, Issue 11, Pages 1071-1077Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S0305-1978(02)00059-5
Keywords
Eupatorium amygdalinum; E. conyzoides; E. laevigatum; E. macrophyllum; E. marginatum; E. squalidum; Asteraceae; essential oil composition; sabinene; limonene; alpha-zingiberene; (E)-gamma-bisabolene; alpha-gurjunene; germacrene D; beta-caryophyllene; caryophyllene oxide; globulol; aristolone; spathulenol; laevigatin
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. The essential oils of six Eupatorium species were obtained by hydrodistillation and analysed by GC-MS. The oil of E. macrophyllum was rich in sabinene (46.7%) and limonene (23.3%). The oil of E. laevigatum was mainly constituted by a mixture of aristolone+laevigatin (23.6%), globulol (16.2%) and germacrene D (8.6%). The principal constituents of the oils of the chemotypes A and B of E. squalidum, E. amygdalinum and E. conyzoides were caryophyllene oxide (17.4-30.1%), globulol (25.1%), germacrene D (10.4-21.6%), spathulenol (14.2%) and beta-caryophyllene (7.1-12.3%). The oils of the chemotypes A and B of E. marginatum were dominated by alpha-zingiberene (57.5%), alpha-gurjunene (19.5%), germacrene D (14.8%), (E)-8-bisabolene (9.7%) and alpha-selinene (9.0%). (C) 2002 Published by Elsevier Science Ltd.
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