Composition of the Essential Oil ofOriganum sipyleumof Turkish Origin

Abstract
Origanum sipyleum L. (Labiatae) was collected from four different locations in Turkey. The volatile oil of each sample was obtained by hydrodistillation and analyzed by GC and GC/MS. Forty-eight compounds were identified in the oils of which γ-terpinene (10.80–26.60%), p-cymene (3.76–36.60%), thymol methyl ether (trace-19.90%), carvacrol methyl ether (0.41–10.20%), thymol (0.23–7.30%) and carvacrol (0.82–12.20%) were found to both occur in greatest abundance and to vary the greatest.

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