活性炭滤嘴对卷烟主流烟气中香味成分截留规律的影响
Effect of activated carbon filter on the retention law of aroma components in mainstream cigarette smoke
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摘要: 以活性炭滤嘴卷烟、普通滤嘴卷烟为研究对象,采用单因素试验确定活性炭颗粒、丝束中香味成分的最优萃取条件,利用气相色谱-质谱技术(GC-MS)对两种卷烟抽吸后的烟蒂及主流烟气中的香味成分进行检测,比较两种卷烟香味成分的差异性,分析活性炭滤嘴对卷烟主流烟气中香味成分的截留规律。结果表明:1)活性炭颗粒最优萃取条件为以二氯甲烷作为萃取溶剂、萃取液体积25 mL、萃取时间为25 min、萃取温度为25℃;丝束最优萃取条件为以乙醇作为萃取溶剂、萃取液体积50 mL、萃取时间为35 min、萃取温度为30℃;2)活性炭颗粒截留的香味成分多为小分子物质;活性炭滤嘴卷烟丝束对香味成分的截留量均低于普通滤嘴卷烟丝束;整体上活性炭滤嘴对香味成分的截留量低于普通滤嘴,活性炭滤嘴卷烟主流烟气粒相物中香味成分的总含量高于普通滤嘴卷烟;3)活性炭滤嘴对主流烟气中大多数物质的截留率均低于普通滤嘴,其中大分子物质的截留率差异明显。Abstract: With activated carbon filter cigarettes and ordinary filter cigarettes as the research objects, single factor experiment was used to determine the optimal extraction conditions of aroma components in activated carbon particles and tow. The aroma components in the cigarette butts and mainstream cigarette smoke were detected, the differences in the aroma components in the two cigarettes were compared, and the retention law of the aroma components in the mainstream cigarette smoke by the activated carbon filter was analyzed. The results showed that the optimal extraction conditions for activated carbon particles were dichloromethane as the extraction solvent, the extraction volume was 25 mL, the extraction time was 25 min, and the extraction temperature was 25 ℃. The optimal extraction conditions for the tow were ethanol as the extraction solvent, the extraction volume was 50 mL, the extraction time was 35 min, and the extraction temperature was 30 ℃. The aroma components retained by activated carbon particles were mostly small molecular substances. In general, the ability of activated carbon filter to intercept aroma components was weaker than that of ordinary filters, and the total content of aroma components in mainstream smoke particles of activated carbon filter cigarettes was higher than that of ordinary filter cigarettes. The retention rate of activated carbon filter to most substances in mainstream cigarette smoke was lower than that of ordinary filters, and the retention rate of macromolecular substances was significantly different.
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Key words:
- activated carbon /
- GC-MS /
- mainstream cigarette smoke /
- aroma component /
- retention rate
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