2018•Journal of Essential Oil Bearing PlantsRequires access

Essential Oil Chemotype of Iranian Ajowan (Trachyspermum ammi L.)

Mehdi Soltani Howyzeh, Seyed Ahmad Sadat Noori, Vahid Shariati J., Mohsen Niazian

Abstract

The essential oil chemotype of an Iranian ecotype of ajowan was identified using gas chromatography mass spectrometry (GC-MS) analysis. Fifteen chemical compounds of essential oils were identified using GC-MS analysis. Thymol, ρ-cymene and γ-terpinen were identified as major components in essential oil of investigated ecotype with 54.32, 21.74, and 19.38 percentages, respectively. Only 0.42 % of the decomposed essential oil was related to carvacrol. Based on the results of the present study, thymol was the predominant composition in the essential oil of investigated ecotype of ajowan and these results can help to purposeful use of this ecotype in pharmaceutical industry, traditional medicine, and other industries.

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Key concepts: Chemotype, Essential oil, Thymol, Carvacrol, Ecotype, p-Cymene, Gas chromatography–mass spectrometry, Botany