Carum copticum Benth. & Hook., essential oil chemotypes

Carum copticum Benth. & Hook is a popular spice and a traditional flavor that is used in Iran. The fruits of C. copticum have several therapeutic effects including carminative, diuretic and anti-vomiting effects. There are some reports on the chemical composition of C. copticum fruits essential oil. In our research the results of GC–MS analyses of the essential oil from C. copticum fruits and differences among various reports were described. Major constitutes of the oil were thymol (54.50%), γ-terpinene (26.10%) and p-cymene (22.10%). Comparison of the result from this study with other reports indicates that C. copticum have thymol and carvacrol chemotypes.