卷烟烟气气相中的有害物质及其减少措施

卷烟抽吸为高温乏氧不完全燃烧过程,会产生微量危害人体健康的物质,烟气气相有害成分主要有一氧化碳、苯、挥发性醛和酮类、氯代烃类、氧化氮类等,减少这些气体的主要措施是稀释烟气和在滤嘴中添加吸附剂.烟气中的自由基也是一种有害物质,清除烟气中自由基的主要方法是向烟丝和滤嘴中加入自由基清除剂.同时,选用添加剂、抗突变剂、吸附剂、催化剂等可降低卷烟烟气中的毒理学或遗传毒理学确定的有害成分.

The harmful components in cigarette smoke gas phase and the elimination measures

Cigarette-smoking is a process of incomplete combustion for lack of oxygen under high temperature, during which process minute harmful substances, such as CO, benzene, volatile alderydes in the gas phase. The major measure to reduce them is to dilute the smoke or to add sorbent into the filter. As another kind of harmful component, free radical can be removed by applying free radical eliminator into tobacco and filter. Mean while, other substances verified harmful by toxicology or genetical toxicology can be reduced with a selective application of sorbent, additive, catalyst, or the antimutagenic etc.