Document Type : Research Paper

Authors

• M. Mirza
• Z. Baher Nik

Research Institute of Forests and Rangelands, Tehran, Iran

Abstract

The seeds of cultivated Trachyspermum copticum L. Link collected in autumn from Research Institute of Forests and Rangelands field and extracted by water distillation. The average of humidity was 3.8%. Analyses of essential oil was done by GC/MS which were resulted to identify 9 compounds which contains 100% of oil. Among the identified constituentes, p- cymene (32.4%), γ- terpinene (27.8%) and β- Pinene (1%) were the major constituents. The contents of phenolic compounds were less than those were reported by other scientists in different countries. It considers the soil ingredients, conditions and the methods of extraction were important on the essential oil contents. 

Keywords

• Trachyspermum copticum
• L. Link
• essential oil
• γ-terpinene
• P-cymene
• Thymol