“…The chemical composition of the essential oils derived from Nepeta can be of two categories. Nepetalactone containing and nepetalactoneless group that are generally rich in 1,8-cineole (most abundant), pinenes, -caryophyllene, -farnesene, caryophyllene oxide, -citral and -citronellol (Asgarpanah et al, 2014;Sharma and Cannoo, 2013;Skaltza et al, 2000). Nepetalactone isomers 4a ,7 ,7a -nepetalactone, 4a ,7 ,7a -nepetalactone, 4a ,7 ,7a -nepetalactone, 4a ,7 ,7a -nepetalactoneand 4a ,7 ,7a -nepetalactone are considered as biochemical indicator of the nepetalactone-rich group of Nepeta essential oils.…”