دانلود مقاله nicotine - دانلود فایل
دانلود فایل دانلود مقاله nicotinenicotine - word (..docx) - اقتصاد -قسمتی از متن :
دانلود فایل دانلود مقاله nicotinenicotine - word (..docx) - اقتصاد -قسمتی از متن : 2NicotineFrom Wikipedia, the free encyclopediaJump to: navigation, searchThis article is about the chemical. For other uses, see Nicotine (disambiguation).Nicotine is a potent parasympathomimetic alkaloid found in the nightshade family of plants (Solanaceae). It acts as a nicotinic acetylcholine receptor agonist. It is made in the roots and accumulates in the leaves of the plants. It constitutes approximately 0.6–3.0% of the dry weight of tobacco[1] and is present in the range of 2–7 µg/kg of various edible plants.[2] It functions as an antiherbivore chemical; therefore, nicotine was widely used as an insecticide in the past[3][4][5] and nicotine analogs such as imidacloprid...