Chemical constituents in the essential oil of the endemic plant Prangos platychlaena from the Lakes Region of Turkey

Abstract

The fruits of Prangos platychlaena (Endemic), growing wild in Lakes Region in Turkey, were collected at seed maturing stage from different localities to study the essential oil composition. Hydrodistillation was used to isolate the essential oils, and the chemical analyses were performed by GC and GC-MS. The oil yields on a dry weight basis ranged from 0.10% to 0.25%. The number of essential oil components ranged from 42 to 72 based on locations and a total of 92 compounds were identified. Major qualitative and quantitative variations of some compounds were determined with respect to localities of collection. The major components were germacrene-D (16.65%-44.69%), beta-bisabolene (7.53%-17.83%), beta-copaene (0.24%-11.70%), delta-cadinene (3.87%-6.67%), ladane (1.32%-3.52%), longifolenaldehyde (3.46%-8.32%) and beta-farnesene (0.94%-5.66%). It was concluded that P. platychlaena fruit essential oil. It has been understood that the ecological factors of the region, especially the altitude, have a significant effect on the essential oil ratio and components.