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N,N-Diethyl-meta-toluamide, also called diethyltoluamide or DEET (/ diːt /, from DET, the initials of di- + ethyl + toluamide), [1][2] is the oldest, one of the most effective and most common active ingredient in commercial insect repellents.
DEET was developed by the U.S. Department of Agriculture and was registered for use by the general public in 1957. It is effective against mosquitoes, biting flies, chiggers, fleas and ticks. These insect repellents slowly evaporate into the air, producing an invisible chemical barrier around the areas on the body and clothes where it is ...
Deltamethrin is a pyrethroid ester insecticide. Deltamethrin plays a key role in controlling malaria vectors, and is used in the manufacture of long-lasting insecticidal mosquito nets; however, resistance of mosquitos and bed bugs to deltamethrin has seen a widespread increase. Deltamethrin is toxic to aquatic life, particularly fish.
In 1945, DDT was made available to farmers as an agricultural insecticide [5] and played a role in the elimination of malaria in Europe and North America. [15] [40] [41] Despite concerns emerging in the scientific community, and lack of research, the FDA considered it safe up to 7 parts per million in food. There was a large economic incentive ...
Formaldehyde is an intermediate in the oxidation (or combustion) of methane, as well as of other carbon compounds, e.g. in forest fires, automobile exhaust, and tobacco smoke. When produced in the atmosphere by the action of sunlight and oxygen on atmospheric methane and other hydrocarbons, it becomes part of smog.
Milk is a white liquid food produced by the mammary glands of mammals. It is the primary source of nutrition for young mammals (including breastfed human infants) before they are able to digest solid food. [1] Milk contains many nutrients, including calcium and protein, as well as lactose and saturated fat. [2]
Agent Orange is a chemical herbicide and defoliant, one of the tactical use Rainbow Herbicides. It was used by the U.S. military as part of its herbicidal warfare program, Operation Ranch Hand, [ 1 ] during the Vietnam War from 1961 to 1971. [ 2 ] The U.S. was strongly influenced by the British who used Agent Orange during the Malayan Emergency.
Dairy products or milk products, also known as lacticinia, are food products made from (or containing) milk. [1] The most common dairy animals are cow, water buffalo, nanny goat, and ewe. Dairy products include common grocery store food around the world such as yogurt, cheese, milk and butter. [2][3] A facility that produces dairy products is a ...