Composicion de los aceites esenciales de Nepeta nepetella subsparagonensis, Nepeta coerulea subsp. coerulea y Nepeta cataria

The essential oils of Nepeta coerulea subsp. coerulea, Nepeta nepetella subsp. aragonensis and Nepeta cataria. - Essential oil composition of three iberian Nepeta were studied by chromatographic and spectrometric methods. The essential oils are constituted mainly of diasteroisomers of nepetalactone. These compounds may be used as chemosystematic characters.