| nicotine |
This chemical, in its pure state, is colorless and highly poisonous. It also has the characteristic smell of tobacco. Tobacco contains a very small percentage of nicotine, and cigar leaf contains among the smallest amount of nicotine of all tobacco. Only about 2 percent of the leafs content is nicotine.
출처: www.thecigarprofessional.com/glossary/d-n.htm
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