Nicotine is an alkaloid found in tobacco. Nicotine has been found to constitute approximately 0.6–3.0% of dry weight of tobacco, with biosynthesis taking place in the roots, and accumulating in the leaves. It functions as an antiherbivore chemical, being a potent neurotoxin with particular specificity to insects; therefore nicotine was widely used as an insecticide in the past, and currently nicotine analogs such as imidacloprid continue to be widely used.
38 edits since May 19, 2008. Last edited Jul 25, 2008 by Fvasconcellos (176).
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