The essential oils of Nepeta cataria L. and Nepeta crassifolia Boiss. & Buhse (Labiatae) were extracted by hydrodistillation and analyzed using gc and gc/MS. The major components of N. cataria oil were 4a-alpha,7-alpha,7a-beta-nepetalactone (28.8%), 1,8-cineole (13.5%), 4a-alpha, 7-beta, 7a-alpha-nepetalactone (11.9%), (E)-caryophyllene (5.7%) and citronellyl acetate (5.2%). The major compounds of N. crassifolia oil were 4a-alpha,7-beta, 7a-alpha-nepetalactone (81.1%) and 4a-alpha,7-alpha,7a-alpha- nepetalactone (5.9%).
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