Secrets of sweet-smelling mosquito-repellent

Boston: US scientists have analyzed the mosquito-repellent capabilities of sweet-grass, a plant traditionally used by some American natives to keep away bugs. In the laboratory tests, two chemicals in the sweet grass compound are found exhibiting the mosquito repellent activity. Further tests are required to see how long the activity of the sweet grass lasts. Meanwhile, researchers have pointed out the possibility of folk remedies in the currently available mosquito repellents. Charles Cantrell,...