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GC/MS analysis of essential oils of needles and twigs of cephalotaxus harringtonia (Knight ex Forbes) koch var. harringtonia / Anju Mendiratta in The journal of essential oil research, Vol. 17 N° 3 (Mai-Juin 2005) 

Public ISBD [article]  in The journal of essential oil research > Vol. 17 N° 3 (Mai-Juin 2005) . - pp. 308-309 Titre : GC/MS analysis of essential oils of needles and twigs of cephalotaxus harringtonia (Knight ex Forbes) koch var. harringtonia Type de document : texte imprimé Auteurs : Anju Mendiratta, Auteur ; Rameshwar Dayal, Auteur ; John P. Bartley, Auteur Année de publication : 2006 Article en page(s) : pp. 308-309 Note générale : Génie Chimique Langues : Anglais (eng) Mots-clés : Cephalotaxus  harringtonia  var.  harringtonia  Cephalotaxaceae  Essential  oil  composition  β-caryophyllene  α-humulene  Germacrene  D  β-elemene Résumé : The essential oils of Cephalotaxus harringtonia var. harringtonia needles and twigs were isolated by hydrodistillation. Fifteen compounds of each, representing 86.4% and 89.4% of the oils, respectively, were identified by GC/MS, while their GC/FID analyses indicated the presence of 17 compounds amounting to 86.5% and 89.5% of the identified components in each of the oils. The sesquiterpenes β-caryophyllene (27.9–31.3%), α-humulene (11.4–10.6%), germacrene D (9.5–13.0%), γ-cadinene (8.9–5.5%) and β-elemene (8.3–10.9%) were found to be the major constituents in both the oils. ISSN : 1041-2905 En ligne : http://www.tandfonline.com/doi/abs/10.1080/10412905.2005.9698912#.UeO6HGF2_n4 [article] GC/MS analysis of essential oils of needles and twigs of cephalotaxus harringtonia (Knight ex Forbes) koch var. harringtonia [texte imprimé] / Anju Mendiratta, Auteur ; Rameshwar Dayal, Auteur ; John P. Bartley, Auteur . - 2006 . - pp. 308-309. Génie Chimique Langues : Anglais (eng) in The journal of essential oil research > Vol. 17 N° 3 (Mai-Juin 2005) . - pp. 308-309 Mots-clés : Cephalotaxus  harringtonia  var.  harringtonia  Cephalotaxaceae  Essential  oil  composition  β-caryophyllene  α-humulene  Germacrene  D  β-elemene Résumé : The essential oils of Cephalotaxus harringtonia var. harringtonia needles and twigs were isolated by hydrodistillation. Fifteen compounds of each, representing 86.4% and 89.4% of the oils, respectively, were identified by GC/MS, while their GC/FID analyses indicated the presence of 17 compounds amounting to 86.5% and 89.5% of the identified components in each of the oils. The sesquiterpenes β-caryophyllene (27.9–31.3%), α-humulene (11.4–10.6%), germacrene D (9.5–13.0%), γ-cadinene (8.9–5.5%) and β-elemene (8.3–10.9%) were found to be the major constituents in both the oils. ISSN : 1041-2905 En ligne : http://www.tandfonline.com/doi/abs/10.1080/10412905.2005.9698912#.UeO6HGF2_n4