Search Results

90 results

  1. CORESTA Meeting, Agronomy/Phytopathology, 2019, Victoria Falls, APPOST 10

    The influence of sodium carbonate buffer on TSNAs accumulation and leaf quality during tobacco storage

    LIU Xingyu(1); LIU Deshui(1); MA Li(1); MA Yanjun(1); YANG Zhendong(1); ZHANG Jie(1); LIN Lin(2); BAI Ruoshi(1); ZHOU Jun(1)
    (1) Technology Center, Shanghai Tobacco Group Co., Ltd., Beijing, P.R. China; (2) Beijing Tobacco Quality Supervision and Testing Station, Beijing, P.R. China
    Storage of tobacco leaves is an important stage in tobacco processing. Tobacco Specific N-nitrosamines (TSNAs) in tobacco leaves gradually increase during storage. The purpose of this study was to investigate the influence of sodium carbonate on the ...
  2. TSRC, Tob. Sci. Res. Conf., 2019, 73, abstr. 041

    Analysis of e-liquids of electronic cigarettes containing nicotine salts

    HAN Shulei; Fu Yaning; Liu Tong; Wang Hongjuan; Chen Huan; Hou Hongwei
    China National Tobacco Quality Supervision and Test Center, Henan, P.R. China
    Electronic cigarettes containing nicotine salts are gaining in more and more popularity worldwide. However, information about this kind of products is very limited. We developed a high performance liquid chromatography method for simultaneously ...
  3. 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 ...
  4. TSRC, Tob. Sci. Res. Conf., 2019, 73, abstr. 050

    Cytotoxicity and acute toxicity assessment of several typical nicotine salts

    WANG Hongjuan; CHEN Huan; HAN Shulei; FU Yaning; LIU Tong; HOU Hongwei; HU Qingyuan
    China National Tobacco Quality Supervision & Test Center, Henan, P.R. China
    As a new form of nicotine intake, nicotine salts are increasingly used in new tobacco products such as electronic cigarette. Whether the matrix components of electronic liquids will affect its toxicity, relative to pure nicotine, how to set the ...
  5. CORESTA Meeting, Smoke Science/Product Technology, 2017, Kitzbühel, ST 60

    Development and application of an online sliver content detection device

    JIANG Wei; LI Juanjuan; ZHANG Guozhi; XIE Hai; DAI Shiliang; ZHANG Baoping; FENG Zhibin; LU Yiliang; KUANG Yinqi; ZHENG Jing; SUN Zhaodong; KONG Zhen; LI Bin; FENG Suoyang; LIU Dong
    Guangdong Industry Co., Ltd of CNTC, Technology Center, South Road No. 88, Guangdong Huanchui, P.R. China
    In order to determine the sliver content in tobacco shreds in a timely fashion, an online detection device was developed based on a multistage winnower. The main components of the device are an air fan, an air velocity measurement system and a gas-solid ...
  6. TSRC, Tob. Sci. Res. Conf., 2017, 71, abstr. 097

    Evaluation of mainstream cigarette smoke components yields of different cigarette types based on principal component analysis

    LI Zhonghao; YANG Fei; LIU Shanshan; FAN Ziyan; WANG Ying; BIAN Zhaoyang; DENG Huimin; TANG Gangling; HU Qingyuan
    China National Tobacco Quality Supervision & Test Center, Zhengzhou, China
    The feasibility of using Principal Components Analysis (PCA) in order to analyze a complex cigarette smoke mixture, seven cigarette mainstream smoke components, including carbon monoxide (CO), 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone (NNK), Benzo(a ...
  7. 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 ...
  8. TSRC, Tob. Sci. Res. Conf., 2016, 70, abstr. 54

    Determination of 9 aromatic amines in mainstream smoke by dispersive liquid phase microextraction and gas chromatography mass spectrometry

    DENG Huimin; LI Zhonghao; YANG Fei; FAN Ziyan; HENG Yingying; JIANG Xingyi; TANG Gangling; HU Qingyuan
    China National Tobacco Quality Supervision and Test Center, Zhengzhou, China
    A new method for the rapid and simultaneous determination of nine aromatic amines in mainstream cigarette smoke by dispersive liquid phase microextraction (LPME) coupled with gas chromatography/mass spectrometry (GC/MS) was developed. The measured ...
  9. CORESTA Meeting, Smoke Science/Product Technology, 2015, Jeju, ST 25

    Migration of 126 pesticide residues in cigarettes during smoking

    LOU Xiaohua(1); ZHANG Hongfei(2); GAO Chuanchuan(1); ZHU Wenjing(1); TANG Gangling(2); BIAN Zhaoyang(2); BA Jinsha(1); WAN Yilun(1)
    (1) Guizhou Tobacco Quality Supervision & Test Station of CNTC, Guiyang, P.R. China; (2) China National Tobacco Quality Supervision Test Center of CNTC, Zhengzhou, P.R. China
    Pesticide residues could be an important index in the health risk assessment of cigarettes. The transfer amount of pesticide residues into smoke depends on the physical and chemical properties of pesticides. In order to investigate the distribution rules ...
  10. CORESTA Meeting, Smoke Science/Product Technology, 2015, Jeju, STPOST 03

    Development and application of FT-NIRs model for online monitoring of the quality of cut tobacco in primary processing line

    YI Hao(1); LI Jun(1); LIU Wei(1); DU Wen(1,2); WANG Zhiguo(1); CHEN Zengping(2)
    (1) Technology Center, China Tobacco Hunan Industrial Co., Ltd. of CNTC, Changsha, P.R. China; (2) College of Chemistry and Chemical Engineering, Hunan University, Changsha, P.R. China
    Near infrared (NIR) spectroscopy is especially suitable for online monitoring of the productive process due to its fast and non-destructive detection feature. The online monitoring of cut tobacco is important for cigarette industrial enterprises to ...