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How to pronounce callicarpenal
Callicarpenal is a terpenoid that has been isolated from plants of the genus Callicarpa (beautyberry). It acts as an insect repellent against mosquitoes (Aedes aegypti and Anopheles stephensi) and fire ants. It also has activity against ticks (Ixodes scapularis and Amblyomma americanum).
In comparison to the most commonly used insect repellent, DEET, callicarpenal is less effective against mosquitoes.
Callicapenal was discovered by scientists at the United States Department of Agriculture's Agricultural Research Service who were inspired by reports that Callicarpa americana (American beautyberry) was used as a folk remedy to prevent mosquito bites.
References
Callicarpenal Wikipedia(Text) CC BY-SA