| 摘要 |
A present invention provides a method for reducing harmful substances and carcinogenic substances contained in a tobacco leaf. According to the present invention, the harmful substances and the carcinogenic substances are removed beforehand by washing a shredded leaf with a solvent, so that the tobacco leaf having a small amount of the harmful substances and the carcinogenic substances contained therein is produced. The cigarette produced by such a method of the present invention reduces an amount of the harmful substances and an amount of the carcinogenic substances contained in primary smoke and second-hand smoke in a case of the tobacco smoking, and reduces an amount of the harmful substances and an amount of the carcinogenic substances to be taken into a body compared with a cigarette produced in a conventional manner.
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