11.

Composition of the Essential oil of Endemic Haplophyllum megalanthum Bornm. from Turkey

Nehir Ünver-Somer, Gülen İrem Kaya, Buket Sarıkaya, Mustafa Ali Önür, Canan Özdemir, Betül Demirci and Kemal Hüsnü Can Başer

Department of Pharmacognosy, Faculty of Pharmacy, Ege University, Izmir, Türkiye

Department of Biology, Faculty of Art and Science, Celal Bayar University, Manisa, Türkiye

Department of Pharmacognosy, Faculty of Pharmacy, Anadolu University, Eskişehir, Türkiye

Abstract: The composition of the essential oil produced from the flowering aerial parts of Haplophyllum megalanthum Bornm. (Rutaceae), endemic to Turkey, was analyzed by GC and GC-MS. Among the fifty-eight compounds constituting about 91.7 % of the essential oil, the main components were characterized as palmito- g -lactone (45.8 %), octadecatrienoic acid (10.7 %), linoleic acid (6.5 %), octadecatetraenoic acid (6.3 %) and nonacosane (4.8 %).

Keywords: Haplophyllum megalanthum ; essential oil composition; palmito- g -lactone; octadecatrienoic acid; linoleic acid; octadecatetraenoic acid; nonacosane.