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32 results

  1. TSRC, Tob. Sci. Res. Conf., 2019, 73, abstr. 042

    Determination of amounts of harmful substances migrating from plastic assemblies in electronic cigarettes

    FAN Meijuan(1); PAN Lining(1); CUI Huapeng(1); DUAN Yuanxing(2); LIU Yibo(3); NIU Jiajia(1); MAO Youan(4); CHEN Li(1); GUO Junwei(1); LIU Shaofeng(1); WANG Hongbo(1); LIU Huimin(1); ZHAO Le(1)
    (1) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, P.R. China; (2) Technology Center of China Tobacco Yunnan Industrial, Kunming, P.R. China; (3) Technology Center of China Tobacco Guangdong Industrial, Guangzhou, P.R. China; (4) Technology Center of China Tobacco Hunan Industrial, Changsha, P.R. China
    Plastic materials are widely used in assemblies of e-cigarettes. Plastic materials shall not transfer harmful substances to the content of e-liquid in quantities which change the composition of the e-liquid or the aerosol and thereby increase the...
  2. TSRC, Tob. Sci. Res. Conf., 2019, 73, abstr. 111

    Preparation of amino acid ionic liquids for reducing HCN and crotonaldehyde from smoke and evaluation of cigarette application

    SUN Xuehui(1); DONG Lu(1); WANG Hongwei(2); YANG Song(1); SUN Peijian(1); GUO Ge(1); PAN Lining(1); SUN Zhitao(2); ZHANG Xiaobing(1); TIAN Haiying(2); NIE Cong(1)
    (1) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, P.R. China; (2) Technology Center, China Tobacco Henan Industrial, Zhengzhou, P.R. China
    To selectively remove HCN and crotonaldehyde from cigarette mainstream smoke, a series of tetrabutyl ammonium hydroxide-amino acid ionic liquids (TBAILs) were synthesized. The ionic liquids were characterized by FT-IR, NMR and TG. The results showed...
  3. TSRC, Tob. Sci. Res. Conf., 2017, 71, abstr. 098

    Oxidative stress and oxidative damage in human lung epithelial cells induced by total particulate matter extractions from three different tobaccos

    KANG Yu; QIAO Liangiun; HU Qiao; HUA Chenfeng; XIE Fuwei; SHANG Pingping; LI Xiang; ZHAO Junwei
    Zhengzhou Tobacco Research Institute, Zhengzhou, China
    Global sales and popularity of e-cigarettes have been growing rapidly in the past few years, but there is still a big share of conventional cigarettes and other tobacco products, which had led to the concerns about the toxicities of different tobacco...
  4. TSRC, Tob. Sci. Res. Conf., 2017, 71, abstr. 099

    Simultaneous determination of 22 Amadori compounds in tobacco leaves by LC-MS/MS

    WANG Xiaoyu; LIU Leiyu; WANG Sheng; QIN Yaqiong; JIA Yunzhen; CUI Huapeng; PAN Lining; XIE Fuwei; LIU Huimin
    Zhengzhou Tobacco Research Institute, Zhengzhou, China
    Amadori compounds are important aroma precursors. Therefore, rapid and corrective determination of Amadori compounds is meaningful for monitoring the quality of tobacco leaves. By the end of 2016, the publicated methods have analyzed no more than 6...
  5. TSRC, Tob. Sci. Res. Conf., 2016, 70, abstr. 59

    Determination of nicotine and its metabolites in rat brain using microdialysis coupled with UHPLC-Q-Exactive high resolution mass spectroscopy

    MAO Jian; LU Binbin; LI Peng; LIU Junhui; ZHANG Wenjuan; HONG Guangfeng; HUO Xiankuan; SUN Shihao
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, China
    In order to accurately determine nicotine (Nic) and its metabolites in rat brain, a method of microdialysis coupled with ultra high performance iquid chromatography-high resolution quadrupole-Orbitrap (UHPLC-Q-Exactive) mass spectrometry was...
  6. TSRC, Tob. Sci. Res. Conf., 2016, 70, abstr. 80

    Volatile components release characteristics of tobacco smoke under heating conditions

    ZENG Shitong(1); CUI Kai(1); LIU Shan(1); TANG Peipei(1); SUN Shihao(1); ZONG Yongli(1); ZHANG Jianxun(1); HU Anfu(2); YANG Jun(2)
    (1) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, China; (2) China Tobacco Zhejiang Industrial Co., Ltd, Zhejiang, China
    In order to investigate volatile components release characteristics of tobacco smoke under heating conditions, seven different tobacco samples including flue-cured tobacco (B2F, C3F, X2F), oriental tobacco (B1, B2) and burley tobacco (B2F, C3F) were...
  7. TSRC, Tob. Sci. Res. Conf., 2016, 70, abstr. 82

    Simultaneous determination of nicotine, 1,2-propylene glycol and glycerol in e-liquids by gas chromatography method

    CAI Junlan; CHEN Li; WANG Bing; PENG Bin; YU Jingjing; CUI Huapeng; ZHANG Xiaobing; LIU Huimin; LIU Shaofeng
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, China
    A gas chromatography method was developed for simultaneous determination of nicotine, 1,2-propylene glycol and glycerol in e-liquids. E-liquids were shaking extracted by isopropanol with two internal standards for 20 min, and then the extraction was...
  8. TSRC, Tob. Sci. Res. Conf., 2015, 69, abstr. 111

    Analysis on immunotoxicity induced by cigarette smoke condensate by a rapid detection and evaluation method based on luminex liquichip

    KANG Yu(1); ZHAO Junwei(1); LI Xiang(1); YANG Zhihua(2); ZHU Maoxiang(2); LIU Huimin(1); XIE Fuwei(1)
    (1) Zhengzhou Tobacco Research Institute, Zhengzhou, P.R. China; (2) Institute of Radiation Medicine, Beijing, P.R. China
    Cigarette smoke consisted of thousands compounds while many of them are of immunotoxicity. In order to investigate the immunotoxicity of mainstream cigarette smoke, a rapid detection and evaluation method based on Luminex liquichip was developed for...
  9. TSRC, Tob. Sci. Res. Conf., 2014, 68, abstr. 62

    Matrix effect evaluation based on a multi-residual pesticide determination method on tobacco by ASE-HPLC-MS/MS

    HU Bin; AL Dan; YU Fei; PAN Lining; CHEN Li; LIU Huimin
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, P.R. China
    A new method combining accelerated solvent extraction and liquid chromatography-tandem mass spectrometry (ASE-LC-MS/MS) was developed for multi-pesticide residue detection in tobacco. In this method, extraction and cleanup of tobacco samples were...