Chemical composition of the essential oils of Ageratum conyzoides L. occurring in south China

The essential oil isolated from the leaves and ﬂowers of Ageratum conyzoides L. were analysed by GC and GC–MS. The oil contained ageratochromene (precocene II, 25.89%); the sesquiterpene β‐caryophyllene (23.79%); demethoxyageratochromene (precocene I, 14.76%) and some monoterpene hydrocarbons, with...

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Veröffentlicht in:	Flavour and fragrance journal 2004-01, Vol.19 (1), p.6-8
Hauptverfasser:	Sundufu, Abu James, Shoushan, Huang
Format:	Artikel
Sprache:	eng
Schlagworte:	Ageratum conyzoides Ageratum conyzoides L Applied sciences Asteraceae Biological and medical sciences Chemical industry and chemicals chromenes Control Essential oils, perfumes Eupatorieae Exact sciences and technology Fundamental and applied biological sciences. Psychology Generalities Phytopathology. Animal pests. Plant and forest protection precocene Protozoa. Invertebrates sesquiterpene Washing products. Cosmetics and toiletries. Perfumes
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Beschreibung
Zusammenfassung:	The essential oil isolated from the leaves and ﬂowers of Ageratum conyzoides L. were analysed by GC and GC–MS. The oil contained ageratochromene (precocene II, 25.89%); the sesquiterpene β‐caryophyllene (23.79%); demethoxyageratochromene (precocene I, 14.76%) and some monoterpene hydrocarbons, with percentages of 2–5.5%. Comparative analysis with data from Cameroon, Ghana and Vietnam is also reported. Copyright © 2003 John Wiley & Sons, Ltd.
ISSN:	0882-5734 1099-1026
DOI:	10.1002/ffj.1198