American beautyberry or Callicarpa americana has been found to be a natural insect repellent. It has found to be repellant to mosquitoes, which can carry yellow fever and malaria, as well as the tick, which carries Lyme disease. Four chemicals have been isolated that appear to be the active ingredients; borneol, callicarpenal, intermedeol, and spathulenol. The discovery and use of callicarpenal has been patented by the United States Department of Agriculture Agriculture Research Service as a mosquito repellent.
Beautyberry Callicarpa americana is native to the southeastern United States. It can typically reach 1–2 m in height. A jelly can be made from its ripe berries. It has also been used to produce wine.
Beautyberry Jelly’s On A Roll article wrote:There are three chemicals in the leaves scientists are trying to replicate for mosquito repellant. They may be as effective as DEET, according to researchers with the USDA. The chemicals, particularly one called callicarpenal, showed significant bite-deterring activity against the yellow-fever mosquito and the mosquito that spreads malaria. Callicarpenal and other compounds isolated from the plant also repelled fire ants and ticks.
your_comforting wrote:I have not successfully gotten an ember with goldenrod either. If you do figure out the combination please let me know.
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