Evaluation of selected South African ethnomedicinal plants as mosquito repellents against the <it>Anopheles arabiensis </it>mosquito in a rodent model

<p>Abstract</p> <p>Background</p> <p>This study was initiated to establish whether any South African ethnomedicinal plants (indigenous or exotic), that have been reported to be used traditionally to repel or kill mosquitoes, exhibit effective mosquito repellent properti...

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Main Authors: Folb Peter I, Bhagwandin Niresh, Newmarch Marion, Crouch Neil R, Maharaj Vinesh, Maharaj Rajendra, Pillay Pamisha, Gayaram Reshma
Format: Article
Language:English
Published: BMC 2010-10-01
Series:Malaria Journal
Online Access:http://www.malariajournal.com/content/9/1/301
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author Folb Peter I
Bhagwandin Niresh
Newmarch Marion
Crouch Neil R
Maharaj Vinesh
Maharaj Rajendra
Pillay Pamisha
Gayaram Reshma
author_facet Folb Peter I
Bhagwandin Niresh
Newmarch Marion
Crouch Neil R
Maharaj Vinesh
Maharaj Rajendra
Pillay Pamisha
Gayaram Reshma
author_sort Folb Peter I
collection DOAJ
description <p>Abstract</p> <p>Background</p> <p>This study was initiated to establish whether any South African ethnomedicinal plants (indigenous or exotic), that have been reported to be used traditionally to repel or kill mosquitoes, exhibit effective mosquito repellent properties.</p> <p>Methods</p> <p>Extracts of a selection of South African taxa were tested for repellency properties in an applicable mosquito feeding-probing assay using unfed female <it>Anopheles arabiensis</it>.</p> <p>Results</p> <p>Although a water extract of the roots of <it>Chenopodium opulifolium </it>was found to be 97% as effective as DEET after 2 mins, time lag studies revealed a substantial reduction in efficacy (to 30%) within two hours.</p> <p>Conclusions</p> <p>None of the plant extracts investigated exhibited residual repellencies >60% after three hours.</p>
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spelling doaj.art-8915b219f9e54c4bb2d2598a15c882302022-12-21T21:04:18ZengBMCMalaria Journal1475-28752010-10-019130110.1186/1475-2875-9-301Evaluation of selected South African ethnomedicinal plants as mosquito repellents against the <it>Anopheles arabiensis </it>mosquito in a rodent modelFolb Peter IBhagwandin NireshNewmarch MarionCrouch Neil RMaharaj VineshMaharaj RajendraPillay PamishaGayaram Reshma<p>Abstract</p> <p>Background</p> <p>This study was initiated to establish whether any South African ethnomedicinal plants (indigenous or exotic), that have been reported to be used traditionally to repel or kill mosquitoes, exhibit effective mosquito repellent properties.</p> <p>Methods</p> <p>Extracts of a selection of South African taxa were tested for repellency properties in an applicable mosquito feeding-probing assay using unfed female <it>Anopheles arabiensis</it>.</p> <p>Results</p> <p>Although a water extract of the roots of <it>Chenopodium opulifolium </it>was found to be 97% as effective as DEET after 2 mins, time lag studies revealed a substantial reduction in efficacy (to 30%) within two hours.</p> <p>Conclusions</p> <p>None of the plant extracts investigated exhibited residual repellencies >60% after three hours.</p>http://www.malariajournal.com/content/9/1/301
spellingShingle Folb Peter I
Bhagwandin Niresh
Newmarch Marion
Crouch Neil R
Maharaj Vinesh
Maharaj Rajendra
Pillay Pamisha
Gayaram Reshma
Evaluation of selected South African ethnomedicinal plants as mosquito repellents against the <it>Anopheles arabiensis </it>mosquito in a rodent model
Malaria Journal
title Evaluation of selected South African ethnomedicinal plants as mosquito repellents against the <it>Anopheles arabiensis </it>mosquito in a rodent model
title_full Evaluation of selected South African ethnomedicinal plants as mosquito repellents against the <it>Anopheles arabiensis </it>mosquito in a rodent model
title_fullStr Evaluation of selected South African ethnomedicinal plants as mosquito repellents against the <it>Anopheles arabiensis </it>mosquito in a rodent model
title_full_unstemmed Evaluation of selected South African ethnomedicinal plants as mosquito repellents against the <it>Anopheles arabiensis </it>mosquito in a rodent model
title_short Evaluation of selected South African ethnomedicinal plants as mosquito repellents against the <it>Anopheles arabiensis </it>mosquito in a rodent model
title_sort evaluation of selected south african ethnomedicinal plants as mosquito repellents against the it anopheles arabiensis it mosquito in a rodent model
url http://www.malariajournal.com/content/9/1/301
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