Efficacy of repellent products against caged and free flying Anopheles stephensi mosquitoes.

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dc.contributor.authorTrongtokit, Yuwadeeen_US
dc.contributor.authorCurtis, Christopher Fen_US
dc.contributor.authorRongsriyam, Yuphaen_US
dc.date.accessioned2009-05-27T14:52:05Z
dc.date.available2009-05-27T14:52:05Z
dc.date.issued2005-11-14en_US
dc.descriptionThe Southeast Asian Journal of Tropical Medicine and Public Health.en_US
dc.description.abstractThe efficacy of 9 repellents (8 commercial repellents and one product under development) was evaluated on the skin at dosages of 0.65 and 1.7 mg of product/cm2, the latter dosage being the industrial standard for deet based repellents. The repellents were applied to the arm or lower leg of a human subject and tested against Anopheles stephensi in a cage or flying freely in a mosquito-proof room. In the cage tests, a product with 20% p-menthane-3, 8-diol (PMD) active ingredient provided complete repellency for 7-8 hours, while with 10% PMD had complete repellency for only 30 minutes. The natural oils of clove (Syzygium aromaticum) (10% active ingredient) plus makaen (Zanthoxylum limonella) (10% active ingredient) gave protection for 4-5 hours. In the case of free flying mosquitoes, products with 20% and 30% PMD gave complete protection for 11-12 hours at a dosage of 1.7 mg/cm2 or 6 hours at half the dosage, while the product with 10% PMD afforded protection for less than 2 hours. At the higher dosage rate 40% citronella and hydroxyethyl isobutyl piperidine carboxylate, a new synthetic compound, provided complete repellency for 7 hours. Fifty percent deet (N,N-diethyl-3-methylbenzamide) was effective for 30 hours if left undisturbed on the skin.en_US
dc.description.affiliationLondon School of Hygiene and Tropical Medicine, London, UK. tmytt@mahidol.ac.then_US
dc.identifier.citationTrongtokit Y, Curtis CF, Rongsriyam Y. Efficacy of repellent products against caged and free flying Anopheles stephensi mosquitoes. The Southeast Asian Journal of Tropical Medicine and Public Health. 2005 Nov; 36(6): 1423-31en_US
dc.identifier.urihttps://imsear.searo.who.int/handle/123456789/31300
dc.language.isoengen_US
dc.source.urihttps://www.tm.mahidol.ac.th/seameo/2005_36_6/10-3547.pdfen_US
dc.subject.meshAnimalsen_US
dc.subject.meshAnopheles --drug effectsen_US
dc.subject.meshBites and Stings --prevention & controlen_US
dc.subject.meshCymbopogonen_US
dc.subject.meshDEET --administration & dosageen_US
dc.subject.meshHumansen_US
dc.subject.meshInsect Repellents --classificationen_US
dc.subject.meshInsecticides --pharmacologyen_US
dc.subject.meshMenthol --administration & dosageen_US
dc.subject.meshPlant Extracts --pharmacologyen_US
dc.subject.meshPlant Oils --administration & dosageen_US
dc.titleEfficacy of repellent products against caged and free flying Anopheles stephensi mosquitoes.en_US
dc.typeComparative Studyen_US
dc.typeJournal Articleen_US
dc.typeResearch Support, Non-U.S. Gov'ten_US
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