Herdin Record #:
A Preliminary Study on the Mosquito Repellent Effect of Tea Tree (Melaleuca alternifolia) Oil.
Publication Sub Type:
Journal Article, Original
Journal of the Philippine Dermatological Society
Philippine Dermatological Society
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.
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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