Essential oils of <i>Hypericum olympicum</i> L. and <i>Hypericum perforatum</i> L.

Abstract

Abstract The essential oil of Hypericum olympicum L. was analysed for the first time and was compared to the essential oil of Hypericum perforatum L. from the same location. Eighteen components were common for both species. The main components of H. olympicim oil were ( E )‐anethole (30.7%) and β‐farnesene (12.4%), and for H. perforatum oil they were β‐caryophyllene (14.2%) and 2‐methyl‐octane (13.1%). Copyright © 2001 John Wiley &amp; Sons, Ltd.