Essential oil-bearing plants from Nigeria: studies on vernonia perrottettii (Leaf and Stem Bark), young leaves from eucalyptus decaisneana and immature leaves of hyptis suaveolens / Akinola O. Ogunbinu in The journal of essential oil research, Vol. 21 N° 2+ supplément vol.20 (Mars/Avril 2009+ supplément 2008)  

Public ISBD [article]  inThe journal of essential oil research > Vol. 21 N° 2+ supplément vol.20 (Mars/Avril 2009+ supplément 2008) . - pp. 154-158 Titre : Essential oil-bearing plants from Nigeria: studies on vernonia perrottettii (Leaf and Stem Bark), young leaves from eucalyptus decaisneana and immature leaves of hyptis suaveolens Type de document : texte imprimé Auteurs : Akinola O. Ogunbinu, Auteur ; Sunday O. Okeniyi, Auteur ; Guido Flamini, Auteur Article en page(s) : pp. 154-158 Note générale : Génie Chimique Langues : Anglais (eng) Mots-clés : Vernonia perrottettii Asteraceae Eucalyptus decaisneana Myrtaceae Hyptis suaveolens Lamiaceae Essential oil composition β  -caryophyllene α  -phellandrene p-cymene γ  -terpinene caryophyllene oxide Germacrene D Index. décimale : 646 Résumé : The essential oils from four medicinal plants from Nigeria were obtained by hydrodistillation and analyzed by means of GC and GC/MS. The main constituents of the leaf and stem oils of Vernonia perrottettii Sch. Bip. (Asteraceae) were sesquiterpene hydrocarbons (92.1%) with abundance of β-caryophyllene (28.1% & 39.8%) and germacrene D (34.5% & 16.0%) in the leaf and stem oils, respectively. On the other hand, the leaf oil of Eucalyptus decaisneana Sm. (Myrtaceae) was dominated by the monoterpene hydrocarbons (90.6%) with α-phellandrene (31.1%), p-cymene (20.8%) and γ-terpinene (11.7%) being present in large quantities. The oil composition of immature leaf of Hyptis suaveolens L. (Lamiaceae) revealed the abundance of β-caryophyllene (22.3%), α-phellandrene (10.6%) and caryophyllene oxide (10.3%). The compositional pattern may probably lead to the delineation of a new chemotype of this species. DEWEY : 665 ISSN : 1041-2905 En ligne : http://www.jeoronline.com/archive/detail/42#top [article] Essential oil-bearing plants from Nigeria: studies on vernonia perrottettii (Leaf and Stem Bark), young leaves from eucalyptus decaisneana and immature leaves of hyptis suaveolens [texte imprimé] / Akinola O. Ogunbinu, Auteur ; Sunday O. Okeniyi, Auteur ; Guido Flamini, Auteur . - pp. 154-158. Génie Chimique Langues : Anglais (eng) in The journal of essential oil research > Vol. 21 N° 2+ supplément vol.20 (Mars/Avril 2009+ supplément 2008) . - pp. 154-158 Mots-clés : Vernonia perrottettii Asteraceae Eucalyptus decaisneana Myrtaceae Hyptis suaveolens Lamiaceae Essential oil composition β  -caryophyllene α  -phellandrene p-cymene γ  -terpinene caryophyllene oxide Germacrene D Index. décimale : 646 Résumé : The essential oils from four medicinal plants from Nigeria were obtained by hydrodistillation and analyzed by means of GC and GC/MS. The main constituents of the leaf and stem oils of Vernonia perrottettii Sch. Bip. (Asteraceae) were sesquiterpene hydrocarbons (92.1%) with abundance of β-caryophyllene (28.1% & 39.8%) and germacrene D (34.5% & 16.0%) in the leaf and stem oils, respectively. On the other hand, the leaf oil of Eucalyptus decaisneana Sm. (Myrtaceae) was dominated by the monoterpene hydrocarbons (90.6%) with α-phellandrene (31.1%), p-cymene (20.8%) and γ-terpinene (11.7%) being present in large quantities. The oil composition of immature leaf of Hyptis suaveolens L. (Lamiaceae) revealed the abundance of β-caryophyllene (22.3%), α-phellandrene (10.6%) and caryophyllene oxide (10.3%). The compositional pattern may probably lead to the delineation of a new chemotype of this species. DEWEY : 665 ISSN : 1041-2905 En ligne : http://www.jeoronline.com/archive/detail/42#top

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