Search Results

45 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 risk for ...
  2. CORESTA Congress, Kunming, 2018, Smoke Science/Product Technology Groups (Workshop), STW 02

    Quantitative risk assessment (QRA)-based prioritization of mainstream cigarette smoke toxicants

    LI Xiang(1); SHANG Pingping(1); XIE Fuwei(1); ZHU Maoxiang(2); YANG Zhihua(2);NIE Cong(1); LIU Huimin(1); XIE Jianping(1)
    (1) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, Henan, P.R. China; (2) Beijing Institute of Radiation Medicine, Beijing, P.R. China
    In 2008, seven representative toxicants in mainstream cigarette smoke were screened and validated by China Tobacco to indicate the harmfulness of mainstream cigarette smoke, which included carbon monoxide (CO), hydrogen cyanide (HCN), 4-(N-methyl ...
  3. CORESTA Meeting, Smoke Science/Product Technology, 2017, Kitzbühel, STPOST 13

    The comparative assessment of e-cigarettes and cigarettes on cytotoxicity and proinflammatory cytokine secretion level using an air-liquid interface system

    HUA Chenfeng; QIAO Liangjun; KANG Yu; ZHAO Junwei; QIN Yaqiong; CUI Huapeng; SHANG Pingping; LIU Huimin; LI Xiang; XIE Fuwei
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, Henan, P.R. China
    Electronic cigarettes (e-cigarettes), as an alternative to combustible cigarettes, have become more and more popular. In this study, the cytotoxic and proinflammatory cytokine secretion response of e-cigarette vapour (e-vapour) and traditional cigarette ...
  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. CORESTA Congress, Berlin, 2016, Agronomy/Phytopathology Groups, AP 35

    Residue degradation of λ-cyhalothrin and fenvalerate during tobacco planting and processing

    CHEN Li; HU Bin; PAN Lining; CUI Huapeng; CAI Junlan; JIA Yunzhen; FAN Meijuan; WANG Xiaoyu; LIU Huimin
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, P.R. China
    Lambda-cyhalothrin and fenvalerate, two widely used pesticides in tobacco, have been receiving high attention recently in China as their residue is one of the most important factors affecting the quality and safety of tobacco. To find out the key ...
  6. CORESTA Congress, Berlin, 2016, Smoke Science/Product Technology Groups, ST 13

    Determination of harmful components in mainstream cigarette smoke by FT-NIR spectrometry equipped with Cambridge filter pads

    REN Jianxin(1); WANG Zhiguo(1); LIU Wei(1); DU Wen(1); ZHONG Kejun(1); LIU Huimin(2); HU Qingyuan(3)
    (1) Hunan Industrial Co., Ltd. of CNTC, Technonlgy Center, Changsha, Hunan, P.R. China; (2) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, Henan, P.R. China; (3) China National Tobacco Quality Supervision & Test Center, Zhengzhou, Henan, P.R. China
    The yields of harmful components in cigarette smoke are basic parameters to evaluate the harm of cigarettes. However, the existing detection methods for most harmful components in mainstream cigarette smoke are complicated and time consuming. Therefore a ...
  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. CORESTA Meeting, Smoke Science/Product Technology, 2015, Jeju, ST 04

    Computational fluid dynamics simulation of cigarette smoke particulate phase retained by cigarette filter

    WEN Jianhui(1); DU Wen(1); ZHONG Kejun(1); ZHANG Xiaobing(2); PENG Bin(2); LIU Huimin(2)
    (1) Technology Center, China Tobacco Hunan Industrial Co., Ltd. of CNTC, Changsha, P.R. China; (2) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, P.R. China
    A computational fluid dynamics model was developed to simulate the flow and retention of cigarette smoke aerosol particulate phase in an acetate filter whilst using nicotine as a surrogate for the particulate phase of the mainstream smoke. A volume ...
  9. CORESTA Meeting, Smoke Science/Product Technology, 2015, Jeju, ST 47

    Molecular epidemiology of smoking behaviours among smokers of cigarettes with different tar yields

    ZHAO Junwei; XIE Fuwei; ZHAO Ge; KANG Yu; LIU Huimin; XIE Jianping
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, P.R. China
    Smoking behaviour is a comprehensive action with various smoking characters affected by sociological factors and cigarette itself. To investigate the smoking behaviours of smokers of different tar yield cigarettes, molecular epidemiology, including ...
  10. 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 ...