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Submitted: 30 August 2012 Modified: 29 May 2013

Herdin Record #: NCR-RITM-12083015581514

A Preliminary Study on the Mosquito Repellent Effect of Tea Tree (Melaleuca alternifolia) Oil.

Researchers

NameRole
1J. F. Dayrit Author
2Ma. T. Gabriel Author
3M. L. Sta. Ana Author

Publication Information

1.
Publication Type:
Journal
Publication Sub Type:
Journal Article, Original
Title:
Journal of the Philippine Dermatological Society
Frequency:
Monthly
Publication Date:
2005
Volume:
14
Issue:
1
Page(s):
33-37
Publisher:
Philippine Dermatological Society

Objectives

This study aims to determine and compare the repellent activity of tea tree ( Melaleuca alternifolia) oil against Aedes aegypt with 7% DEET uisng double-blind controlled experimental trial.

Abstract

Background: Dengue Fever (DF) and Dengue Hemorrhagic Fever (DHF) are now considered as major health problems in the Philippines. N,N,-dietyl-3-toluamide (DEET) is recognized as the most effective against Aedes aegypti. However, the concern about its use have underscored the need to find a safer alternative repellent
Objectives: This study aims to determine and compare the repellent activity of tea tree (Melaleuca alternifolia) oil against Aedes aegypti with 7 percent DEET using a double-blind controlled experimental trial
Methodology: Twenty healthy subjects were allocated systematically by alternate assignment into three treatment groups (Control vs. Tea Tree oil, control vs. 7 percent DEET, Tea Tree oil vs DEET). All subjects were exposed to Aedes aegypti for 5 minutes every hour for 8 hours and the number of mosquitoes biting/landing were recorded and compared for each treatment group
Results: Fifty percent tea tree oil has a repellent activity against Aedes aegypti and its efficacy is comparable to 7 percent DEET. Both treatments were equally effective in repelling mosquitoes for 7 hours. No cutaneous reactions to both repellents were noted
Conclusion: The efficacy of tea tree oil is comparable to 7 percent DEET and is recommended as an alternative natural mosquito repellent.


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