Les huiles essentielles de trois plantes aromatiques de Côte-d'Ivoire (Ocimum gratissimum, Ocimum canum, Monodora myristica) testées sur 14 bactéries ont révélé des activités bactéricides ou bactériostatiques. Les huiles essentielles de Ocimum canum et de Ocimum gratissimum agissent sur la quasi-totalité des bactéries étudiées.
L'indice de réfraction et la densité des échantillons d'huile essentielle de Lippia multiflora (feuilles et fleurs), Cymbopogon citratus, Cymbopogon nardus, Cymbopogon giganteus de Côte-d'Ivoire sont déterminés. La viscosité de ces échantillons a été étudiée. Ces huiles ne sont pas newtoniennes. Seule l'huile essentielle de C. citratus est thixotrope. Pour citer cet article :
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 bark oils were monoterpene-rich, containing principally (Z)-beta-ocimene and gamma-terpinene and three lactones, 5-[(E and Z)-hexylidene]-5H-furan-2-ones and massoia lactone, were present in appreciable amounts. Conversely, the root bark oil was dominated by 5-isopentenylindole and (E)-beta-caryophyllene. The strategy for the analysis of each oil was adapted according to the nature of the components.
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