Chemical constituents of the essential oil of Asarum forbesii Maxim (Aristolochiaceae)

The essential oils from the leaves and roots of Asarum forbesii Maxim (Aristolochiaceae) were obtained by hydrodistillation and analysed by GC and GC-MS; 20 and 17 constituents were identified from the leaf and root oils, respectively. Methylisoeugenol (33.3%) and alpha-asarone (19.2%) were the main constituents in the leaf oil, while alpha-asarone (58.8%) and methyleugenol (10.3%) were the major constituents in the root oil. Copyright (c) 2004 John Wiley & Sons, Ltd.