Disclosed are methods and compositions for preparing tobacco such that components of tobacco tar are reduced, while maintaining the total tar delivery of a composition or device containing tobacco treated with one or more natural tar diluents. Artificial tar diluents can also be used in combination with one more natural tar diluents. The tobacco compositions have decreased levels of tobacco specific nitrosamines and/or other components found in tar when the composition is smoked, while maintaining the total tar delivery of the smoking article, such as a cigarette, when using a tar diluent at a level sufficient to achieve desired taste qualities.
所公开的是用于制备烟草的方法和组合物,这些方法和组合物可以减少烟草焦油成分,同时保持含有用一种或多种天然焦油稀释剂处理过的烟草的组合物或装置的总焦油输送量。人工焦油稀释剂也可以与一种或多种天然焦油稀释剂结合使用。当使用焦油稀释剂的
水平足以达到所需的口感质量时,烟草组合物在吸烟时烟草特有的亚
硝胺和/或焦油中的其他成分的
水平会降低,同时保持吸烟物品(如香烟)的总焦油量。