The essential oil of Hypericum perforatum L., Hypericum tetrapterum Fries and Hypericum olympicum L. growing in Greece

Abstract

The composition of the essential oils of the Hypericum perforatum L., Hypericum tetrapterum Fries and Hypericum olympicum L. is reported. GC-MS analyses showed α-pinene (21.0%) and 2-methyl-octane (12.6%) as the most abundant components of H. perforatum, whilst α-copaene (11.3%) and α-longipinene (9.7%) were the major constituents of H. tetrapterum; those of H. olympicum oil were germacrene D (16.0%) and (E)-caryophyllene (7.4%). Copyright © 2005 John Wiley & Sons, Ltd.