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Détail de l'auteur
Auteur Nureni O. Olawore
Documents disponibles écrits par cet auteur
Affiner la rechercheAnalyses of the volatile compounds of callitris columellaris F. muell. needles from two different regions of Nigeria / Isiaka, A. Ogunwande in The journal of essential oil research, Vol. 17 N° 1 (Janvier-Fevrier 2005)
in The journal of essential oil research > Vol. 17 N° 1 (Janvier-Fevrier 2005) . - pp. 44-46
Titre : Analyses of the volatile compounds of callitris columellaris F. muell. needles from two different regions of Nigeria Type de document : texte imprimé Auteurs : Isiaka, A. Ogunwande, Auteur ; Nureni O. Olawore, Auteur ; Kasali A. Adeleke, Auteur Année de publication : 2006 Article en page(s) : pp. 44-46 Note générale : Génie Chimique Langues : Anglais (eng) Mots-clés : Callitris columellaris Cupressaceae Essential oil composition Limonene Bornyl acetate Résumé : Volatile compounds from the leaves of Callitris columellaris F. Muell. collected from Ibadan (southwest) and Kaduna (north central), Nigeria, were analyzed by GC and GC/MS. The predominant compounds were limonene (37.2%) and bornyl acetate (27.1%), respectively, for samples from Ibadan and Kaduna. The observed compositional pattern in the two samples may suggest the existence of chemical race within the Nigerian-grown C. columellaris considering the different ecological and climatic conditions between the two cities. ISSN : 1041-2905 En ligne : http://www.tandfonline.com/doi/abs/10.1080/10412905.2005.9698825 [article] Analyses of the volatile compounds of callitris columellaris F. muell. needles from two different regions of Nigeria [texte imprimé] / Isiaka, A. Ogunwande, Auteur ; Nureni O. Olawore, Auteur ; Kasali A. Adeleke, Auteur . - 2006 . - pp. 44-46.
Génie Chimique
Langues : Anglais (eng)
in The journal of essential oil research > Vol. 17 N° 1 (Janvier-Fevrier 2005) . - pp. 44-46
Mots-clés : Callitris columellaris Cupressaceae Essential oil composition Limonene Bornyl acetate Résumé : Volatile compounds from the leaves of Callitris columellaris F. Muell. collected from Ibadan (southwest) and Kaduna (north central), Nigeria, were analyzed by GC and GC/MS. The predominant compounds were limonene (37.2%) and bornyl acetate (27.1%), respectively, for samples from Ibadan and Kaduna. The observed compositional pattern in the two samples may suggest the existence of chemical race within the Nigerian-grown C. columellaris considering the different ecological and climatic conditions between the two cities. ISSN : 1041-2905 En ligne : http://www.tandfonline.com/doi/abs/10.1080/10412905.2005.9698825
in The journal of essential oil research > Vol. 17 N° 4 (Juillet-Août 2005) . - pp. 459-461
Titre : Analysis of the leaf oil of araucaria cunninghamii sweet. grown in Nigeria Type de document : texte imprimé Auteurs : Nureni O. Olawore, Auteur ; Isiaka, A. Ogunwande, Auteur Année de publication : 2006 Article en page(s) : pp. 459-461 Note générale : Génie Chimique Langues : Anglais (eng) Mots-clés : Araucaria cunninghamii Araucariaceae Essential oil composition α-pinene Terpinen-4-ol Shyobunol Résumé : The yield and chemical composition of the oil obtained by hydrodistillation of the leaves of Araucaria cunninghamii Sweet., grown in the southwest region of Nigeria are reported. The analyses were made by GC and GC/MS. The oil was found to contain α-pinene (14.8%), terpinen-4-ol (14.7%), shyobunol (8.9%) and spathulenol (8.8%) as major constituents. ISSN : 1041-2905 En ligne : http://www.tandfonline.com/doi/abs/10.1080/10412905.2005.9698964#.UeJo3WF2_n4 [article] Analysis of the leaf oil of araucaria cunninghamii sweet. grown in Nigeria [texte imprimé] / Nureni O. Olawore, Auteur ; Isiaka, A. Ogunwande, Auteur . - 2006 . - pp. 459-461.
Génie Chimique
Langues : Anglais (eng)
in The journal of essential oil research > Vol. 17 N° 4 (Juillet-Août 2005) . - pp. 459-461
Mots-clés : Araucaria cunninghamii Araucariaceae Essential oil composition α-pinene Terpinen-4-ol Shyobunol Résumé : The yield and chemical composition of the oil obtained by hydrodistillation of the leaves of Araucaria cunninghamii Sweet., grown in the southwest region of Nigeria are reported. The analyses were made by GC and GC/MS. The oil was found to contain α-pinene (14.8%), terpinen-4-ol (14.7%), shyobunol (8.9%) and spathulenol (8.8%) as major constituents. ISSN : 1041-2905 En ligne : http://www.tandfonline.com/doi/abs/10.1080/10412905.2005.9698964#.UeJo3WF2_n4
in The journal of essential oil research > Vol. 18 N° 6 (Novembre-Décembre 2006) . - pp. 604-606
Titre : Constituents of rhizome essential oils of two types of cyperus articulatus L. grown in Nigeria Type de document : texte imprimé Auteurs : Nureni O. Olawore, Auteur ; Lamidi A. Usman, Auteur ; Isiaka, A. Ogunwande, Auteur Année de publication : 2006 Article en page(s) : pp. 604-606 Note générale : Génie Chimique Langues : Anglais (eng) Mots-clés : Cyperus articulatus Cyperaceae Essential oil composition Cyperotundone Piperitone Cedrol Guaia-5-en-11-ol Résumé : The essential oils of the rhizomes of the red and black types of Cyperus articulatus L. were investigated by GC and GC/MS. Oxygenated sesquiterpenes constituted the bulk of both oils (54.2% and 52.1% for the red and black types, respectively). The major components of the oil of the red type were cyperotundone (42.3%), piperitone (10.1%), β-maaliene (8.4%) and germacrone (5.3%), while the oil of the black type had an abundance of cedrol (19.0%), guaia-5-en-11-ol (14.9%) and cyperotundone (9.6%). ISSN : 1041-2905 En ligne : http://www.tandfonline.com/doi/abs/10.1080/10412905.2006.9699179#.UXKLL0qC5mM [article] Constituents of rhizome essential oils of two types of cyperus articulatus L. grown in Nigeria [texte imprimé] / Nureni O. Olawore, Auteur ; Lamidi A. Usman, Auteur ; Isiaka, A. Ogunwande, Auteur . - 2006 . - pp. 604-606.
Génie Chimique
Langues : Anglais (eng)
in The journal of essential oil research > Vol. 18 N° 6 (Novembre-Décembre 2006) . - pp. 604-606
Mots-clés : Cyperus articulatus Cyperaceae Essential oil composition Cyperotundone Piperitone Cedrol Guaia-5-en-11-ol Résumé : The essential oils of the rhizomes of the red and black types of Cyperus articulatus L. were investigated by GC and GC/MS. Oxygenated sesquiterpenes constituted the bulk of both oils (54.2% and 52.1% for the red and black types, respectively). The major components of the oil of the red type were cyperotundone (42.3%), piperitone (10.1%), β-maaliene (8.4%) and germacrone (5.3%), while the oil of the black type had an abundance of cedrol (19.0%), guaia-5-en-11-ol (14.9%) and cyperotundone (9.6%). ISSN : 1041-2905 En ligne : http://www.tandfonline.com/doi/abs/10.1080/10412905.2006.9699179#.UXKLL0qC5mM
in The journal of essential oil research > Vol. 17 N° 3 (Mai-Juin 2005) . - pp. 289-291
Titre : Constituents of the essential oils of the leaves and stem bark of cedrela mexicana L. grown in Nigeria Type de document : texte imprimé Auteurs : Isiaka, A. Ogunwande, Auteur ; Olusegun Ekundayo, Auteur ; Nureni O. Olawore, Auteur Année de publication : 2006 Article en page(s) : pp. 289-291 Note générale : Génie Chimique Langues : Anglais (eng) Mots-clés : Cedrela mexicana Meliaceae Essential oil composition α-terpinyl acetate β-caryophyllene Spathulenol Elemol Alismol Résumé : The pulverized samples of the leaves and stem bark of Cedrela mexicana L. were subjected to hydrodistillation and the essential oils obtained were characterized by GC and GC/MS. Sesquiterpenes were the predominant components in both oils. The major constituents found in the leaf oil were α-terpinyl acetate (30.0%) and β-caryophyllene (19.0%), while the stem bark oil was dominated by spathulenol (14.1%), elemol (13.2%) and alismol (10.2%). ISSN : 1041-2905 En ligne : http://www.tandfonline.com/doi/abs/10.1080/10412905.2005.9698906#.UeOvsGF2_n4 [article] Constituents of the essential oils of the leaves and stem bark of cedrela mexicana L. grown in Nigeria [texte imprimé] / Isiaka, A. Ogunwande, Auteur ; Olusegun Ekundayo, Auteur ; Nureni O. Olawore, Auteur . - 2006 . - pp. 289-291.
Génie Chimique
Langues : Anglais (eng)
in The journal of essential oil research > Vol. 17 N° 3 (Mai-Juin 2005) . - pp. 289-291
Mots-clés : Cedrela mexicana Meliaceae Essential oil composition α-terpinyl acetate β-caryophyllene Spathulenol Elemol Alismol Résumé : The pulverized samples of the leaves and stem bark of Cedrela mexicana L. were subjected to hydrodistillation and the essential oils obtained were characterized by GC and GC/MS. Sesquiterpenes were the predominant components in both oils. The major constituents found in the leaf oil were α-terpinyl acetate (30.0%) and β-caryophyllene (19.0%), while the stem bark oil was dominated by spathulenol (14.1%), elemol (13.2%) and alismol (10.2%). ISSN : 1041-2905 En ligne : http://www.tandfonline.com/doi/abs/10.1080/10412905.2005.9698906#.UeOvsGF2_n4
in The journal of essential oil research > Vol. 18 N° 4 (Juillet-Août 2006) . - pp. 374-376
Titre : Essential oil of annona reticulata L. leaves from Nigeria Type de document : texte imprimé Auteurs : Isiaka, A. Ogunwande, Auteur ; Olusegun Ekundayo, Auteur ; Nureni O. Olawore, Auteur Année de publication : 2006 Article en page(s) : pp. 374-376 Note générale : Génie Chimique Langues : Anglais (eng) Mots-clés : Annona reticulata Annonaceae Essential oil composition (E,E)-farnesyl acetate Ar-turmerone Benzyl benzoate Résumé : Hydrodistilled oil obtained from the leaves of Annona reticulata L. grown in Nigeria was analyzed by capillary GC and GC/MS. Thirty-nine components were characterized. These consisted of 18 monoterpenes amounting to 29.0%, 20 sesquiterpenes totaling 52.9% and one aromatic esters making up 10.9%. The oil contained (E,E)-farnesyl acetate (19.0%), ar-turmerone (12.0%), benzyl benzoate (10.9%) and γ-terpinene (7.4%) as the major constituents. ISSN : 1041-2905 En ligne : http://www.tandfonline.com/doi/abs/10.1080/10412905.2006.9699117#.UXrah0qC5mM [article] Essential oil of annona reticulata L. leaves from Nigeria [texte imprimé] / Isiaka, A. Ogunwande, Auteur ; Olusegun Ekundayo, Auteur ; Nureni O. Olawore, Auteur . - 2006 . - pp. 374-376.
Génie Chimique
Langues : Anglais (eng)
in The journal of essential oil research > Vol. 18 N° 4 (Juillet-Août 2006) . - pp. 374-376
Mots-clés : Annona reticulata Annonaceae Essential oil composition (E,E)-farnesyl acetate Ar-turmerone Benzyl benzoate Résumé : Hydrodistilled oil obtained from the leaves of Annona reticulata L. grown in Nigeria was analyzed by capillary GC and GC/MS. Thirty-nine components were characterized. These consisted of 18 monoterpenes amounting to 29.0%, 20 sesquiterpenes totaling 52.9% and one aromatic esters making up 10.9%. The oil contained (E,E)-farnesyl acetate (19.0%), ar-turmerone (12.0%), benzyl benzoate (10.9%) and γ-terpinene (7.4%) as the major constituents. ISSN : 1041-2905 En ligne : http://www.tandfonline.com/doi/abs/10.1080/10412905.2006.9699117#.UXrah0qC5mM
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