Analysis of crotonaldehyde puff-by-puff release in mainstream cigarette smoke under various smoking regimens by high-performance liquid chromatography with the modified QuEChERS method
文献类型： 外文期刊
作者： Li, Chao 1 ; Li, E'Xian 2 ; Zhang, Jian 1 ; Tao, Ying 1 ; Zhang, Chengming 1 ; Shen, Xiaofeng 1 ; Liu, Ya 1 ; Qin, Yunhua 1 ;
作者机构： 1.Technol Ctr Yunnan Tobacco Ind Co Ltd, Kunming, Yunnan, Peoples R China
2.Yunnan Acad Agr Sci, Inst Biotechnol & Genet Resources, Kunming, Yunnan, Peoples R China
3.Technol Ctr Yunnan Tobacco Ind Co Ltd, Cigarette Prod Qual Inspect Inst, 367 Hongjin Rd, Kunming, Yunnan, Peoples R China
关键词： RM20H smoking machine; QuEChERS; intensive smoking regimens; crotonaldehyde; puff-by-puff release
期刊名称：ROYAL SOCIETY OPEN SCIENCE （ 影响因子：2.963； 五年影响因子：3.44 ）
ISSN： 2054-5703
年卷期： 2018 年 5 卷 6 期
页码：
收录情况： SCI
摘要： To study puff-by-puff release characteristics of crotonaldehyde in mainstream cigarette smoke under diverse intensive smoking regimens, we designed an RM20H smoking machine with a puff-by-puff smoke collection unit to automatically trap crotonaldehyde in the mainstream cigarette smoke. Using this process, we trapped, puff-by-puff, crotonaldehyde in mainstream smoke generated by different smoking regimens and quantitatively analysed the levels of crotonaldehyde using high-performance liquid chromatography with a modified QuEChERS sample pretreatment method. On the basis of the crotonaldehyde in each puff, we determined crotonaldehyde's puff-by-puff release characteristics. The results showed that crotonaldehyde's puff-by-puff release remained nearly constant for the International Organization for Standardization mode while increased polynomial trend was seen (n >= 6) under the Massachusetts and Health Canada smoking regimens. The equation fit for various regimens was good (R-2 > 0.9192). Release characteristics by puff were classified into four categories: (1) first, second and third puffs; (2) fourth and fifth puffs; (3) sixth puff; and (4) seventh and eighth puffs.
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