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Essential oil composition of four iranian nepeta species (N. cephalotes, N. bornmuelleri, N. mirzayanii and N. bracteata) / F. Sefidkon in The journal of essential oil research, Vol. 19 N°3 (Mai/Juin 2007) 

Public ISBD [article]  in The journal of essential oil research > Vol. 19 N°3 (Mai/Juin 2007) . - pp. 262-265 Titre : Essential oil composition of four iranian nepeta species (N. cephalotes, N. bornmuelleri, N. mirzayanii and N. bracteata) Type de document : texte imprimé Auteurs : F. Sefidkon, Auteur ; Z. Jamzad, Auteur Année de publication : 2007 Article en page(s) : pp. 262-265 Note générale : Génie Chimique Langues : Anglais (eng) Mots-clés : Nepeta  cephalotes  Nepeta  bornmuelleri  Nepeta  mirzayanii  Nepeta  bracteata  Labiatae  Essential  oil  composition  4aα,7α,7aα-nepetalactone  4aβ,7α,7aβ-nepetalactone  Spathulenol  Caryophyllene  oxide  Bicyclogermacrene  β-caryophyllene Résumé : Essential oils from aerial parts of Nepeta cephalotes Boiss., N. bornmuelleri Hausskn. ex Bornm., N. mirzayanii Rech. f. et Esfand. and N. bracteata Benth. were obtained by hydrodistillation. The oils were analyzed by capillary gas chromatography, using fame ionization and mass spectrometric detection. Eight components were identified in the oil of N. cephalotes with 4aα,7α,7aα-nepetalactone (90.1%) and β-pinene (7.5%) as main constituents. Twenty-eight compounds were identified in the oil of N. bornmuelleri with 4aβ,7α,7aβ-nepetalactone (64.0%) and 1,8-cineole (7.1%) as main components. Twenty-two compounds were characterized in the oil of N. mirzayanii with 4aα,7α,7aα-nepetalactone (61.0%) and caryophyllene oxide (7.8%) as main constituents. Twenty-eight compounds were characterized in the oil of N. bracteata with spathulenol (14.0%), caryophyllene oxide (12.3%), bicyclogermacrene (11.4%) and β-caryophyllene (11.2%) as main constituents. The results showed the nepetalactone isomers were the main components of the oils of N. cephalotes, N. bornmuelleri and N. mirzayanii. The oil of N. bracteata consisted of mainly of sesquiterpenes, while nepetalactone was not detected in this oil. ISSN : 1041-2905 En ligne : http://www.tandfonline.com/doi/abs/10.1080/10412905.2007.9699274#.UWuoX0qC5mM [article] Essential oil composition of four iranian nepeta species (N. cephalotes, N. bornmuelleri, N. mirzayanii and N. bracteata) [texte imprimé] / F. Sefidkon, Auteur ; Z. Jamzad, Auteur . - 2007 . - pp. 262-265. Génie Chimique Langues : Anglais (eng) in The journal of essential oil research > Vol. 19 N°3 (Mai/Juin 2007) . - pp. 262-265 Mots-clés : Nepeta  cephalotes  Nepeta  bornmuelleri  Nepeta  mirzayanii  Nepeta  bracteata  Labiatae  Essential  oil  composition  4aα,7α,7aα-nepetalactone  4aβ,7α,7aβ-nepetalactone  Spathulenol  Caryophyllene  oxide  Bicyclogermacrene  β-caryophyllene Résumé : Essential oils from aerial parts of Nepeta cephalotes Boiss., N. bornmuelleri Hausskn. ex Bornm., N. mirzayanii Rech. f. et Esfand. and N. bracteata Benth. were obtained by hydrodistillation. The oils were analyzed by capillary gas chromatography, using fame ionization and mass spectrometric detection. Eight components were identified in the oil of N. cephalotes with 4aα,7α,7aα-nepetalactone (90.1%) and β-pinene (7.5%) as main constituents. Twenty-eight compounds were identified in the oil of N. bornmuelleri with 4aβ,7α,7aβ-nepetalactone (64.0%) and 1,8-cineole (7.1%) as main components. Twenty-two compounds were characterized in the oil of N. mirzayanii with 4aα,7α,7aα-nepetalactone (61.0%) and caryophyllene oxide (7.8%) as main constituents. Twenty-eight compounds were characterized in the oil of N. bracteata with spathulenol (14.0%), caryophyllene oxide (12.3%), bicyclogermacrene (11.4%) and β-caryophyllene (11.2%) as main constituents. The results showed the nepetalactone isomers were the main components of the oils of N. cephalotes, N. bornmuelleri and N. mirzayanii. The oil of N. bracteata consisted of mainly of sesquiterpenes, while nepetalactone was not detected in this oil. ISSN : 1041-2905 En ligne : http://www.tandfonline.com/doi/abs/10.1080/10412905.2007.9699274#.UWuoX0qC5mM