Constituents of Essential Oil of Nepeta nepetella.

摘要: The essential oil of NEPETA NEPETELLA L. growing in the Aosta Valley (Valnontey), Italy, obtained by steam distillation leaves and flowers, was investigated capillary gas chromatography combination with mass spectrometry. To facilitate identification, fractionation straight phase HPLC performed. Nepetalactone (76.5%) is main component oil. isomers epinepetalactone (0.6%) neonepetalactone (0.4%) together dihydro (1.6%) dehydro (traces) nepetalactone derivatives were also identified. These compounds are considered to be responsible for feline attractant activity