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尼古丁烟碱和香烟焦油含量的理解  

Nicotine:  Tobacco is the main carbohydrate (40-50 per cent) carboxylic acid, pigment, terpene vinyl material, alkanes, such as lipid material composition, but also some growth in the course of the necessary nutrients (such as nitrates), And some pollutants (such as pesticides, important elements of metal, etc.). Tobacco and other plants that are different terpene vinyl material contained in the rich, known as the "nicotine"  

          Nicotine is an naturally occurring liquid alkaloid (C10H14N2) found in the nightshade family of plants (Solanaceae), predominantly in tobacco, and in lower quantities in tomato, potato, eggplant (aubergine), and green pepper. Nicotine alkaloids are also found in the leaves of the coca plant. An alkaloid is an organic compound made out of carbon, hydrogen, nitrogen and sometimes oxygen. These chemicals have potent effects on the human body. For example, many people regularly enjoy the stimulating effects of another alkaloid, caffeine, as they quaff a cup or two of coffee in the morning.

           Nicotine normally makes up about 5 percent of a tobacco plant, by weight. The most common (and the most expedient way) to get nicotine and other drugs into your bloodstream is through inhalation -- by smoking it.


Tar cigarettes:  Inhalation of cigarette smokers, tobacco is in the process of incomplete combustion of a series of thermal decomposition and synthesis of chemical reaction, a lot of new material, its chemical composition is complex, isolated from the smoke of more than 3,000 harmful ingredients Species, mainly for nicotine toxic substances (nicotine), tobacco tar, carbon monoxide, hydrogen cyanide, ammonia and aromatic compounds, and other toxic substances. Some tobacco in the Central Plains of protein, carbohydrate, vitamins, amino acids, and other human needs of the useful material, if it for food that is useful, but regarded it as cigarettes, after burning smoke and dust released, have become harmful Material.     

 Lit tobacco smoke is composed of two parts, one part of gas, accounting 92 percent, including Duoliang sound of oxygen and nitrogen gases and a certain amount of carbon monoxide and traces of carcinogens, Cuai, the cilia of poison. Tablets of some 8 per cent, mainly as nicotine and tar.

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