Tobacco raw material manufacturing method and tobacco raw material

摘要

Tobacco raw materials containing a small amount of specific polycyclic aromatic hydrocarbons and low-molecular carboxylic acids and containing a large amount of specific flavor components and a method for producing the same are provided. A step of drying leaf tobacco before bone removal after harvesting until the water content becomes 10 to 25% by weight, and a step of smoke-treating the dried leaf tobacco before bone removal at 400 to 500 ° C. Then, following the step of smoke treatment, the solution is solved by a production method including a step of storing the smoked leaf tobacco before deboning under a semi-sealed condition.