Essential oils composition of Juniperus drupacea Lab. leaf from Turkey

Abstract

The fine chemical compositions of the essential oils of J. drupacea leaves growing in southern Anatolia have been investigated. In order to find out whether any chemical change happens in the leaves of J.drupacea due to seasons and different location materials have been collected four times a year in four different districts for two consecutive years. The compositions of volatile oils were analyzed by GC and GC/MS methods and 90.7 - 98.2 % of the compounds were characterized in the oils, corresponding to 118 - 122 substances. ?-pinene (9.97 - 45.9%), limonene (22.7 - 52.5%), ß-pinene (0.6 - 2.7%), ß-phellandrene (0.9 - 7.4%), ?-copaene (0.1 - 2.0%), ß-caryophylene (0.1 - 1.4%), ?-humulene (0.6 - 2.2%), ?-cadinene (0.1 - 2.3%) and ?-cadinene (0.8 - 3.9%) were found as major constituents.