Essential oil composition of the endemic species Tephrosia persica Boiss.

Abstract

The essential oil content in the leaves and stems of the endemic species Tephrosia persica growing wild in the south of Iran was found to be 0.05% for each based on the fresh weight. The oils were analyzed by gas chromatography (GC) and GC–mass spectrometry (GC–MS). Twenty and seventeen constituents were identified, which approximately constituted 92.5% and 92.1% of the leaf and stem oils, respectively. The major components of the leaf oil were germacrene D (43.8%), spathulenol (7.5%), caryophyllene oxide (7.0%) and trans-β-caryophyllene (6.8%), while the main components of the stem oil were germacrene D (44.9%), geyrene (6.8%), trans-β-caryophyllene (6.6%) spathulenol (6.5%) and caryophyllene oxide (5.0%).

Keywords:

• Tephrosia persica
• Papilionaceae
• essential oil