| Literature DB >> 15474566 |
Maurice O Omolo1, Denis Okinyo, Isaiah O Ndiege, Wilber Lwande, Ahmed Hassanali.
Abstract
Essential oils of six plants growing in Kenya were screened for repellent activities against Anopheles gambiae sensu stricto. The oils of Conyza newii (Compositeae) and Plectranthus marrubioides (Labiateae) were the most repellent (RD50=8.9 x 10(-5) mg cm(-2), 95% CI) followed by Lippia javanica (Verbenaceae), Lippia ukambensis (Verbenaceae), Tetradenia riparia, (Iboza multiflora) (Labiateae) and Tarchonanthus camphoratus (Compositeae). Eight constituents of the different oils (perillyl alcohol, cis-verbenol, cis-carveol, geraniol, citronellal, perillaldehyde, caryophyllene oxide and a sesquiterpene alcohol) exhibited relatively high repellency. Four synthetic blends of the major components (present in > or = 1.5%) of the essential oils were found to exhibit comparable repellent activity to the parent oils.Entities:
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Year: 2004 PMID： 15474566 DOI： 10.1016/j.phytochem.2004.08.035
Source DB: PubMed Journal: Phytochemistry ISSN： 0031-9422 Impact factor: 4.072