Essential oil in leaves and inflorescences of silphium integrifolium michx / Radosław Kowalski in The journal of essential oil research, Vol. 17 N° 2 (Mars-Avril 2005)  

Public ISBD [article]  inThe journal of essential oil research > Vol. 17 N° 2 (Mars-Avril 2005) . - pp. 220-222 Titre : Essential oil in leaves and inflorescences of silphium integrifolium michx Type de document : texte imprimé Auteurs : Radosław Kowalski, Auteur ; Janusz Wierciński, Auteur ; Marek Mardarowicz, Auteur Année de publication : 2006 Article en page(s) : pp. 220-222 Note générale : Génie Chimique Langues : Anglais (eng) Mots-clés : Silphium integrifolium Asteraceae Essential oil composition α  -pinene Résumé : The content and chemical composition of the essential oil obtained from the leaves and inflorescences of Silphium integrifolium Michx. were studied. The oil content in the leaves and inflorescences was 0.27% and 0.31% v/w, respectively. Qualitative and quantitative analyses of distilled oils were made using GC and GC/MS. It was found that the oils had similar qualitative compositions but they differed quantitative. The main constituents in the leaf and inflorescence oils were α-pinene (9.8% and 14.0%), trans-verbenol (2.7% and 6.3%), bornyl acetate (2.2% and 7.0%), allo-aromadendr-9-ene (4.3% and 6.1%) and caryophyllene oxide (8.7% and 4.7%). ISSN : 1041-2905 En ligne : http://www.tandfonline.com/doi/abs/10.1080/10412905.2005.9698881 [article] Essential oil in leaves and inflorescences of silphium integrifolium michx [texte imprimé] / Radosław Kowalski, Auteur ; Janusz Wierciński, Auteur ; Marek Mardarowicz, Auteur . - 2006 . - pp. 220-222. Génie Chimique Langues : Anglais (eng) in The journal of essential oil research > Vol. 17 N° 2 (Mars-Avril 2005) . - pp. 220-222 Mots-clés : Silphium integrifolium Asteraceae Essential oil composition α  -pinene Résumé : The content and chemical composition of the essential oil obtained from the leaves and inflorescences of Silphium integrifolium Michx. were studied. The oil content in the leaves and inflorescences was 0.27% and 0.31% v/w, respectively. Qualitative and quantitative analyses of distilled oils were made using GC and GC/MS. It was found that the oils had similar qualitative compositions but they differed quantitative. The main constituents in the leaf and inflorescence oils were α-pinene (9.8% and 14.0%), trans-verbenol (2.7% and 6.3%), bornyl acetate (2.2% and 7.0%), allo-aromadendr-9-ene (4.3% and 6.1%) and caryophyllene oxide (8.7% and 4.7%). ISSN : 1041-2905 En ligne : http://www.tandfonline.com/doi/abs/10.1080/10412905.2005.9698881

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