Composition of the Essential Oils of Scutellaria galericulata and S. tortumensis from Turkey

Abstract

The genus Scutellaria L. (Lamiaceae) is represented by 39 taxa in Turkey. The ratio of endemism in Turkey is 43.6%. The chemical compositions of the essential oils obtained by hydrodistillation of Scutellaria galericulata and S. tortumensis from Turkey were analyzed by gas chromatography and gas chromatography-mass spectrometry, simultaneously. The main components were determined as caryophyllene oxide (27.5%), β caryophyllene (13.4%) and caryophylla-2(12),6-dien-5β-ol (4.8%) in the oil of S. galericulata. Germacrene D (29.8%), β caryophyllene (17.1%) phytol (8.3%) and nonacosane (7.1%) were found as major components in the oil of S. tortumensis. Overall, S. galericulata and S. tortumensis essential oils representing 88.6% and 94.3% of the total, respectively.