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Barbecues and mountain hikes could soon be redolent of grapefruit.
The citrusy scent is given off by a new active ingredient for insecticides just officially registered by the U.S. Environmental Protection Agency.
The ingredient, nootkatone, was discovered and developed by the U.S. Centers for Disease Control and Prevention and is now EPA-approved for use in insecticides and insect repellents, the agency said in a statement Monday.
Products containing nootkatone have been shown to repel and even kill ticks, mosquitoes and other biting pests, the EPA said.
