圆周及滤嘴通风对卷烟主流烟气碱性香味成分释放量的影响

Effects of cigarette circumference and filter ventilation rate on releases of alkaline aroma components in mainstream cigarette smoke

为研究圆周及滤嘴通风率对卷烟主流烟气中碱性香味成分释放量的影响,采用CH2Cl2浸提、GC/MS分析的方法测定了不同圆周和滤嘴通风相互搭配的卷烟样品主流烟气中21种碱性香味成分的释放量。结果表明:(1)每克烟丝释放的各类碱性香味成分以及碱性香味成分总量,随卷烟圆周的增大均呈增加的趋势,随卷烟滤嘴通风的增大均呈降低趋势;(2)方差分析结果显示,吡啶类、吡嗪类和喹啉类香味成分释放量以及碱性香味成分释放总量在不同滤嘴通风率间的差异均达极显著水平,吡嗪类、喹啉类香味成分释放量在不同圆周间的差异均达极显著水平;(3)增加相同的滤嘴通风,吡嗪类香味成分释放量降低幅度最大,其次为吡啶类和喹啉类香味成分。

In order to study the influences of cigarettes circumference and filter ventilation rate on the releases of alkaline aroma components in mainstream cigarette smoke, dichloromethane extraction and GC/MS analysis were used to determine the releases of 21 alkaline aroma components in mainstream smoke of cigarettes with different circumferences and different filter ventilation rates. The results showed that: 1) The total release of all the alkaline aroma components per gram cut tobacco increased with the increase of cigarette circumference,while the quantity decreased with the raise of filter ventilation rate. 2) The results of variance analysis indicated that there were extremely significant differences in the releases of pyridine, pyrazine and quinoline aroma components and the total release of alkaline aroma components among the cigarettes of different filter ventilation rates, and so did the releases of pyrazine and quinoline aroma components among the cigarettes of different circumferences. 3) When filter ventilation rate increased at a same extent, the decrease extent of the releases of pyrazine aroma components was the largest, followed by those of pyridine and quinoline aroma components.