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Essential Oil Composition of Nepeta raphanorhiza Benth growing in Kashmir valley

Manzoor A. Rather, Tauheeda Hassan, Bilal A. Dar, Abdul S. Shawl, Mushtaq A. Qurishi and Bashir A. Ganai

Natural Product Chemistry Division, Indian Institute of Integrative Medicine (CSIR), Srinagar-190005, India

Department of Botany , University of Kashmir, Srinagar-190006,  India.

Department of Chemistry , University of Kashmir, Srinagar-190006,  India

Department of Biochemistry, University of Kashmir, Srinagar-190006, India.

Abstract: The essential oil composition of the aerial parts of Nepeta raphanorhiza is reported for the first time. Capillary GC-FID & GC-MS analysis of the essential oil led to the identification of 16 components accounting for 97.5% of the total oil. Sesquiterpene hydrocarbons dominated the oil composition accounting for 65.3 % followed by monoterpene hydrocarbons constituting 19.5 % of the total oil composition. The major components were (Z) β-farnesene (49.2%), δ-3-carene (12.3%), α bisabolene (9.4%) and germacrene D 4 ol (5.8%).

Keywords: Nepeta raphanorhiza; Lamiaceae; GC FID; GC MS; (Z) β farnesene; δ-3-carene; α-bisabolene; germacrene-D-4-ol.