ESSENTIAL OILS OF PYCNOCYCLA FLABELLIFOLIA (BOISS.) BOISS. AND MALABAILA SECACULE (MILLER) BOISS. FROM IRAN

The composition of the essential oils from two Umbelliferae species of Iran were analyzed by GC and GC/MS . a- Phellandrene (64.0%) and p- cymene (18.5%) were the main compo nents among the nintheen constituents characterized in the oil of Pycnocycia flabeUifolia representing 94.2% of the total components detected. Sixteen compounds were identified in the oil of Malabaila secacide representing 80.4% of the total oil with (3 - elemene (27.1%)and hexyl 3- methyl butanoate (15.6%) as the major constituents.