Zobrazeno 1 - 10
of 12
pro vyhledávání: '"Gérard Koukoua"'
Publikováno v:
Flavour and Fragrance Journal. 22:27-31
Five samples of essential oils from the leaves, flowers and root bark of Conyza sumatrensis Retz E. K. Walker and four samples from the leaves and buds of Microglossa pyrifolia, obtained by hydrodistillation, were investigated by GC–RI and 13C-NMR.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f8421bbb71d18504c8da0ecfadb367e7
https://doi.org/10.1002/ffj.1743
https://doi.org/10.1002/ffj.1743
Autor:
Jean Brice Boti, Félix Tomi, Alain Muselli, Gérard Koukoua, Joseph Casanova, Thomas Yao N'Guessan, Jean Costa
Publikováno v:
Comptes Rendus Chimie. 9:164-168
The composition of the essential oil isolated by hydrodistillation from the leaves of Cymbopogon giganteus Chiov. growing wild in Ivory Coast, was determined by GC/RI, GC/SM and 13C-NMR after fractionation on silica gel. The oil was characterized by
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cd6fcec1801081d00d622457889ed756
https://doi.org/10.1016/j.crci.2005.10.003
https://doi.org/10.1016/j.crci.2005.10.003
Publikováno v:
Flavour and Fragrance Journal. 21:166-170
Isolona campanulata Engler & Diels from Cote-d'Ivoire produces a sesquiterpene rich-oil. Detailed analysis of a sample of leaf oil by a combination of chromatographic techniques (CC, GC-RI) and 1 3 C-NMR spectroscopy allowed the identification of 73
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7ad17f616f3c1428f67fea743c77b8c5
https://doi.org/10.1002/ffj.1555
https://doi.org/10.1002/ffj.1555
Autor:
Antoine-François Bernardini, Gérard Koukoua, Jean Brice Boti, Alain Muselli, Thomas Yao N'Guessan, Joseph Casanova
Publikováno v:
Phytochemical Analysis. 16:357-363
The leaf, stem bark and root bark oils of Isolona cooperi Hutchinson & Dalziel from the Ivory Coast have been analysed by GC (retention index), GC-MS and 13C-NMR spectroscopy. Two types of essential oil were produced by the plant. The leaf and stem b
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2430b1e931b05f208df02e26299e0174
https://doi.org/10.1002/pca.857
https://doi.org/10.1002/pca.857
Publikováno v:
Comptes Rendus Chimie. 7:1039-1042
Resume L'indice de refraction et la densite des echantillons d'huile essentielle de Lippia multiflora (feuilles et fleurs), Cymbopogon citratus , Cymbopogon nardus , Cymbopogon giganteus de Cote-d'Ivoire sont determines. La viscosite de ces echantill
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b8724eb19203ad7334a0133f6cfac771
https://doi.org/10.1016/j.crci.2003.12.030
https://doi.org/10.1016/j.crci.2003.12.030
Autor:
Coffi Kanko, Gérard Koukoua, Yao Thomas N'Guessan, Josette Fournier, Loïc Toupet, Jean-Paul Pradère
Publikováno v:
Comptes Rendus Chimie. 7:1029-1032
Resume Les feuilles seches de Lippia multiflora (Verbenaceae) ont ete extraites a l'appareil de Soxhlet a l'aide de solvants organiques (ethanol, acetate d'ethyle). Nous avons isole et purifie trois composes par chromatographie sur colonne associee a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c7e114b9e73040cc0b435ebd0f460d7d
https://doi.org/10.1016/j.crci.2003.12.028
https://doi.org/10.1016/j.crci.2003.12.028
Autor:
Jean-Claude Chalchat, Yao Thomas N'Guessan, Gilles Figuérédo, Coffi Kanko, Gérard Koukoua, Affouet Muriel Koffi, Harisolo Ramiarantsoa, Jean-Marie Bessière
Publikováno v:
Comptes Rendus Chimie. 7:997-1002
Resume Les compositions chimiques des essences des racines et des ecorces de Uvaria chamae, de Uvaria afzelii et de Uvaria sp. ont ete determinees a partir des analyses chromatographique (CPG) et spectroscopique (RMN 1H, 13C et SM). Le benzoate de be
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0c5c6cafff312b377db7e7e4db10526f
https://doi.org/10.1016/j.crci.2003.12.024
https://doi.org/10.1016/j.crci.2003.12.024
Autor:
Yao Thomas N'Guessan, Gérard Koukoua, Coffi Kanko, Adole I. Glitho, Badama Philomene Seri-Kouassi, Kouassi Alphonse Bekon, Louis Roi Nondenot Aboua
Publikováno v:
Comptes Rendus Chimie. 7:1043-1046
Resume Les huiles essentielles extraites par hydrodistillation de deux plantes aromatiques de l'Afrique occidentale – Melaleuca quinquenervia (L), et Ocimum gratissimum (L) – ont ete testees par fumigation a differentes concentrations sur la form
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::054f35aeb8c932a4e09ac41219605c44
https://doi.org/10.1016/j.crci.2003.12.031
https://doi.org/10.1016/j.crci.2003.12.031
Autor:
Coffi Kanko, Jean-Claude Chalchat, Gérard Koukoua, Mireille Dosso, Gilles Figuérédo, Nathalie Guessend, Séri Yolou, Kouamé Raphaël Oussou, Yao Thomas N'Guessan
Publikováno v:
Comptes Rendus Chimie. 7:1081-1086
Resume Les huiles essentielles de trois plantes aromatiques de Cote-d'Ivoire (Ocimum gratissimum, Ocimum canum, Monodora myristica) testees sur 14 bacteries ont revele des activites bactericides ou bacteriostatiques. Les huiles essentielles de Ocimum
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::59dcb9e3a6e2d8c9d036b706f7b9d42d
https://doi.org/10.1016/j.crci.2003.12.034
https://doi.org/10.1016/j.crci.2003.12.034
Autor:
Coffi Kanko, Félix Tomi, Yao Thomas N'Guessan, Gérard Koukoua, Marie-Laure Lota, Joseph Casanova
Publikováno v:
Journal of Essential Oil Research. 11:153-158
The composition and intraspecific variability of the leaf oil of Lippia multiflora Mold. from the Ivory Coast were investigated by GC and Carbon-13 NMR spectroscopy. Four compositions were characterized : neral/geranial, 1,8-cineole, 1,8-cineole/nera
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7d4401d180dcafcc9ed08ebc631c2b5b
https://doi.org/10.1080/10412905.1999.9701097
https://doi.org/10.1080/10412905.1999.9701097