DARU Journal of Pharmaceutical Sciences91-2Volatile constituents of Phlomis Olivieri Benth4850Ghassemi NSajjadi SELame MA20151006The chemical composition of the essential oil of Phlomis olivieri Benth growing wild in Iran was examined by GC/MS. The oil contains over thirty-nine components. The major components are hexahydrofarnesyl acetone (13.3%), spathulenol (11.4%), germacrene-D (9.7%), β-caryophylene (6.9%) and caryophyllene oxide (5.3%). As a result of this investigation the oil of Ph.olivieri is characterized by a high content of sesquiterpenes and only trace amounts of monoterpenes.https://daru.tums.ac.ir/index.php/daru/article/view/120https://daru.tums.ac.ir/index.php/daru/article/download/120/120