Essential oils of Lippia alba (Mill.) N. E. Br growing wild in the Brazilian Amazon

摘要: The essential oils of aerial parts specimens Lippia alba (Mill.) N. E. Br were analysed by GC–MS. plants collected at three municipalities Para State, Brazil, and their shown to be quite different. samples may divided into groups. first, type A (collected Santa Maria), is characterized 1,8-cineole (34.9%), limonene (18.4%), carvone (8.6%) sabinene (8.2%). second, B Belterra), dominated (32.1%), (31.8%) myrcene (11.0%). third, C Chaves), represented neral (13.7%), geranial (22.5%), germacrene-D (25.4%) β-caryophyllene (10.2%). © 1998 John Wiley & Sons, Ltd.