Constituents of the essential oils from different organs of Artemisia campestris L. subsp. campestris

The essential oils from the inflorescences, flowers, leaves, stems and roots of Artemisia campestris L. subsp. campestris were analyzed by GC and GC/MS. About 120 compounds were identified. The inflorescence oil, flower oil and leaf oil contained mainly germacrene D (24.2%, 28.0% and 27.8%, respectively), -caryophyllene (6.5%, 5.9% and 4.2%, respectively) and -humulene (4.9%, 6.2% and 8.2%, respectively). (Z)-falcarinol (19.0% and 38.8%, respectively) was the main constituent of the stem and root oils.