再造烟叶烟气中刺激性气味的关键化学组分研究

O657.63; 为研究再造烟叶烟气中刺激性气味的关键化学组分,本工作利用元素分析仪(EA)与电感耦合等离子体质谱(ICP-MS)表征天然烟叶、再造烟叶以及基片,解析 3种原料的化学组成差异.利用U型固定床热解反应器对3种原料进行热解实验,产生的气态产物先通过与固定床反应器出口相连的光电离质谱(SPI-MS)进行实时在线检测,同时结合气相色谱-质谱(GC-MS)的离线定性分析结果确定热解产物的具体组成.随后,采用主成分分析(PCA)法对谱图进行统计学分析,以区分 3种原料热解后特征产物的质荷比(m/z),选择含量显著差异的产物作为模型化合物,开展嗅辨实验.结果表明,再造烟叶烟气中刺激性气味的关...

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Published in质谱学报 Vol. 45; no. 3; pp. 422 - 431
Main Authors 庄海锋, 杨振, 章存勇, 彭晓萌, 贾良元, 王健, 葛少林
Format Journal Article
LanguageChinese
Published 合肥工业大学化学与化工学院,安徽合肥 230009%烟草化学安徽省重点实验室/安徽中烟工业有限责任公司,安徽合肥 230088%烟草化学安徽省重点实验室/安徽中烟工业有限责任公司,安徽合肥 230088 01.05.2024
烟草行业燃烧热解研究重点实验室,安徽合肥 230088
Subjects
reconstituted tobacco
主成分分析(PCA)
再造烟叶
光电离质谱(SPI-MS)
刺激性气味
single photoionization mass spectrometry(SPI-MS)
principal component analysis(PCA)
irritating odor
Online AccessGet full text
ISSN1004-2997
DOI10.7538/zpxb.2023.0086

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Abstract O657.63; 为研究再造烟叶烟气中刺激性气味的关键化学组分,本工作利用元素分析仪(EA)与电感耦合等离子体质谱(ICP-MS)表征天然烟叶、再造烟叶以及基片,解析 3种原料的化学组成差异.利用U型固定床热解反应器对3种原料进行热解实验,产生的气态产物先通过与固定床反应器出口相连的光电离质谱(SPI-MS)进行实时在线检测,同时结合气相色谱-质谱(GC-MS)的离线定性分析结果确定热解产物的具体组成.随后,采用主成分分析(PCA)法对谱图进行统计学分析,以区分 3种原料热解后特征产物的质荷比(m/z),选择含量显著差异的产物作为模型化合物,开展嗅辨实验.结果表明,再造烟叶烟气中刺激性气味的关键化学组分主要为环戊酮、环己酮和4-乙基苯酚.此外,根据产物随温度的实时变化谱,能够准确了解上述模型化合物在热解过程中的温度释放范围.该研究可为后续减少再造烟叶中刺激性气味提供数据支撑.
AbstractList O657.63; 为研究再造烟叶烟气中刺激性气味的关键化学组分,本工作利用元素分析仪(EA)与电感耦合等离子体质谱(ICP-MS)表征天然烟叶、再造烟叶以及基片,解析 3种原料的化学组成差异.利用U型固定床热解反应器对3种原料进行热解实验,产生的气态产物先通过与固定床反应器出口相连的光电离质谱(SPI-MS)进行实时在线检测,同时结合气相色谱-质谱(GC-MS)的离线定性分析结果确定热解产物的具体组成.随后,采用主成分分析(PCA)法对谱图进行统计学分析,以区分 3种原料热解后特征产物的质荷比(m/z),选择含量显著差异的产物作为模型化合物,开展嗅辨实验.结果表明,再造烟叶烟气中刺激性气味的关键化学组分主要为环戊酮、环己酮和4-乙基苯酚.此外,根据产物随温度的实时变化谱,能够准确了解上述模型化合物在热解过程中的温度释放范围.该研究可为后续减少再造烟叶中刺激性气味提供数据支撑.
Abstract_FL Reconstituted tobacco(RT)has the advantages of low density,high filling value and low tar release,which can significantly reduce production consumption and control the release of tar and harmful components in cigarette smoke.However,some tobacco components will be lost during the processing of RT,while some non-tobacco components(such as pulp,etc.)will be introduced,which makes the sensory quality of RT different from that of natural tobacco(NT)cigarettes,that is,RT will produce an irritating odor when smoking,which directly affects the proportion of their doping in the preparation of cigarettes.In order to explore the key chemical components of irritating odor in the smoke of RT,elemental analysis(EA)and inductively coupled plasma mass spectrometry(ICP-MS)were used to characterize NT,RT,and substrates to analyze the chemical composition differences of the three raw materials.Then,an U-shaped fixed-bed reactor(UFBR)was used to conduct pyrolysis experiments on the three raw materials.The volatile products generated by pyrolysis were detected in real-time by a single photoionization mass spectrometry(SPI-MS),which was connected to the outlet of UFBR.Besides,the condensed liquid products were also characterized by gas chromatography-mass spectrometry(GC-MS)to provide the supplementary informations on chemical structures of detected compounds.In addition,the principal component analysis(PCA)was used to obtain the variance in SPI mass spectra and to distinguish the characteristic pyrolytic products of the three raw materials.Finally,the products with significant differences in concentration in the raw materials were identified as model compounds for sensory evaluation.The results showed that the key chemical components of irritating odor in RT smoke mainly contain cyclopentanone,cyclohexanone and 4-ethylphenol.Furthermore,the temperature range for the release of various model compounds during the pyrolysis process were determined based on the temperature-evolved profiles.This work provides a foundamental data and clues for future research on reducing the generation of irritating odors in RT.
Author 贾良元
王健
彭晓萌
章存勇
庄海锋
杨振
葛少林
AuthorAffiliation 合肥工业大学化学与化工学院,安徽合肥 230009%烟草化学安徽省重点实验室/安徽中烟工业有限责任公司,安徽合肥 230088%烟草化学安徽省重点实验室/安徽中烟工业有限责任公司,安徽合肥 230088;烟草行业燃烧热解研究重点实验室,安徽合肥 230088
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GE Shao-lin
YANG Zhen
JIA Liang-yuan
WANG Jian
ZHANG Cun-yong
PENG Xiao-meng
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DocumentTitle_FL Study on the Key Chemical Components of Irritating Smoke from Reconstituted Tobacco
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Keywords reconstituted tobacco
主成分分析(PCA)
再造烟叶
光电离质谱(SPI-MS)
刺激性气味
single photoionization mass spectrometry(SPI-MS)
principal component analysis(PCA)
irritating odor
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PublicationYear 2024
Publisher 合肥工业大学化学与化工学院,安徽合肥 230009%烟草化学安徽省重点实验室/安徽中烟工业有限责任公司,安徽合肥 230088%烟草化学安徽省重点实验室/安徽中烟工业有限责任公司,安徽合肥 230088
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Snippet O657.63; 为研究再造烟叶烟气中刺激性气味的关键化学组分,本工作利用元素分析仪(EA)与电感耦合等离子体质谱(ICP-MS)表征天然烟叶、再造烟叶以及基片,解析...
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Title 再造烟叶烟气中刺激性气味的关键化学组分研究
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