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Chemical composition and seasonal variation of hypericum hircinum L. subsp. majus (Aiton) N. robson essential oil / F. Maggi in The journal of essential oil research, Vol. 22 N° 5 (Septembre/Octobre 2010) 

Public ISBD [article]  in The journal of essential oil research > Vol. 22 N° 5 (Septembre/Octobre 2010) . - pp. 434-443 Titre : Chemical composition and seasonal variation of hypericum hircinum L. subsp. majus (Aiton) N. robson essential oil Type de document : texte imprimé Auteurs : F. Maggi, Auteur ; B. Tirillini, Auteur ; S. Vittori, Auteur Année de publication : 2011 Article en page(s) : pp. 434-443 Note générale : Génie Chimique Langues : Anglais (eng) Mots-clés : Hypericum  hircinum  subsp.  Majus  Guttiferae  Essential  oil  compositions  β-pinene  Limonene  Trans-pinocarveol  Myrtenol  β-caryophyllene  β-selinene  Cis-β-guaiene  Isolongifolan-7α-ol  Phenological  cycle Index. décimale : 646 Résumé : Essential oils obtained by hydrodistillation of leaves (LV), flowers (FL) and fruits (FR) of Hypericum hircinum subsp. majus from Marche (Italy), were analyzed by gas chromatography-flame ionization detector (GC-FID) and gas chromatography/mass spectrometry (GC/MS). Ninety-two volatile components were identified in the oils, representing 81.41–94.36% of the total oils. The major compounds were cis-β-guaiene (23.25–41.23%) and δ-selinene (8.48–25.20%) in LV, δ-selinene (18.29%) and limonene (15.23%) in FL, limonene (14.01–38.72%) and β-pinene (9.88–16.31%) in FR. The oils from LV and FL were dominated by sesquiterpene hydrocarbons, whilst the FR oils were rich in monoterpenes. Seasonal changes in relative percentages of representative groups and compounds of the oils were discussed. DEWEY : 665 ISSN : 1041-2905 En ligne : http://www.tandfonline.com/doi/abs/10.1080/10412905.2010.9700366 [article] Chemical composition and seasonal variation of hypericum hircinum L. subsp. majus (Aiton) N. robson essential oil [texte imprimé] / F. Maggi, Auteur ; B. Tirillini, Auteur ; S. Vittori, Auteur . - 2011 . - pp. 434-443. Génie Chimique Langues : Anglais (eng) in The journal of essential oil research > Vol. 22 N° 5 (Septembre/Octobre 2010) . - pp. 434-443 Mots-clés : Hypericum  hircinum  subsp.  Majus  Guttiferae  Essential  oil  compositions  β-pinene  Limonene  Trans-pinocarveol  Myrtenol  β-caryophyllene  β-selinene  Cis-β-guaiene  Isolongifolan-7α-ol  Phenological  cycle Index. décimale : 646 Résumé : Essential oils obtained by hydrodistillation of leaves (LV), flowers (FL) and fruits (FR) of Hypericum hircinum subsp. majus from Marche (Italy), were analyzed by gas chromatography-flame ionization detector (GC-FID) and gas chromatography/mass spectrometry (GC/MS). Ninety-two volatile components were identified in the oils, representing 81.41–94.36% of the total oils. The major compounds were cis-β-guaiene (23.25–41.23%) and δ-selinene (8.48–25.20%) in LV, δ-selinene (18.29%) and limonene (15.23%) in FL, limonene (14.01–38.72%) and β-pinene (9.88–16.31%) in FR. The oils from LV and FL were dominated by sesquiterpene hydrocarbons, whilst the FR oils were rich in monoterpenes. Seasonal changes in relative percentages of representative groups and compounds of the oils were discussed. DEWEY : 665 ISSN : 1041-2905 En ligne : http://www.tandfonline.com/doi/abs/10.1080/10412905.2010.9700366