Phytother Res. 2003 Feb; 17(2): 152-4.

Composition and antimicrobial activity of the essential oil of Hypericum rumeliacum subsp. apollinis (Boiss. & Heldr.).

Couladis M, Chinou IB, Tzakou O, Petrakis PV.

Department of Pharmacy, Division of Pharmacognosy, University of Athens, Panepistimioupolis Zografou, Athens, Greece.

The composition and the antimicrobial activity of the aerial parts of Hypericum rumeliacum are reported. Analysis was carried out by GC/MS. The major constituents were alpha-pinene (43.80%), beta-pinene (9.82%), dehydro-aromadendrene (6.81%) and alpha-copaene (5.41%). The essential oil showed a moderate in vitro activity against the six Gram negative and positive bacteria and a stronger one against the three-tested pathogenic activity.Copyright 2003 John Wiley & Sons, Ltd.