Investigations on Himalayan Nepeta Species. VI. Essential Oil of Nepeta discolor Benth.

ABSTRACT

The chemical composition of the essential oil obtained from the aerial parts of Nepeta discolor Benth. was examined by using GC/MS and GC/FTIR. Out of at least 55 constituents, 40 have been identified. The essential oil from N. discolor has been found to contain sabinene (8.3%), 1,8-cineole (20.0%), sesquiterpene hydrocarbons (17.0%) and oxygenated sesquiterpenes (28.7%). No nepetalactones or iridodial derivatives were found as oil constituents.

KEY WORD INDEX:

• Nepeta discolor
• Lamiaceae
• essential oil composition
• 1,8-cineole
• β-caryophyllene