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27 results

  1. CORESTA Meeting, Smoke Science/Product Technology, 2019, Hamburg, ST 42

    Study on aerosol deposition in the respiratory tract of consumers using cigarette, electronic cigarette or heat-not-burn product

    CUI Huapeng(1); LI Yawen(1); FAN Meijuan(1); CHEN Li(1); SI Xiaoxi(2); HAN Jingmei(2); CAI Junlan(1); LI Xiang(1); LIU Shaofeng(1); XIE Fuwei(1); XIE Jianping(1)
    (1) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, P.R. China; (2) R&D Center, China Tobacco Yunnan Industrial Co., Ltd., Kunming, P.R. China
    The deposition of aerosols inhaled into the human respiratory tract is key to evaluate exposure and risk during product use. A method based on a differential mobility spectrometer (DMS) was established for determining the physical properties of...
  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),...
  3. 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...
  4. TSRC, Tob. Sci. Res. Conf., 2013, 67, abstr. 87

    Effects of carbon nanoparticles on seed germination, nutrient absorption, and yield of tobacco.

    LIANG Taibo, YIN Qisheng, ZHANG Yanling, WANGI Baolin, GUO Weimin, XIE Jianping
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, P.R. China
    Unlike macromaterials, nanomaterials have some particular properties such as surface effects, volume effects, quantum size effects, etc. In recent years, the biological and agricultural applications of nanomaterials have become of increasing...
  5. CORESTA Congress, Sapporo, 2012, Smoke Science/Product Technology Groups, SSPTPOST 14

    Study on mechanisms of hydrocyanic acid formation during glycine pyrolysis

    HAO Ju-fang; GUO Ji-zhao; XIE Fu-wei; XIA Qiao-ling; XIE Jian-ping
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, Henan, P.R. China
    To find out the HCN formation process during glycine pyrolysis, the small molecule gaseous pyrolysates, H2O, NH3, CO2, CO, HNCO and HCN, were analysed in real-time with TG-FTIR. The volatile pyrolysis products and solid residues at certain...
  6. Tobacco Science & Technology, 2012, 3, p. 31-33., ISSN.1002-0861

    Study on thermo-gravimetric behavior of five amino acids and pyrolytic formation of hydrocyanic acid

    LI Feifei; HAO Jüfang; GUO Jizhao; WANG Hongbo; XIE Fuwei; XIA Qiaoling; XIE Jianping
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P.R. China
    The effects of heating rate and atmosphere on the yield of hydrocyanic acid (HCN) from pyrolysis of glycine (Gly), alanine (Ala), leucine (Leu), isoleucine (Ile) and proline (Pro) were investigated by a modified thermo-gravimetric analyzer. The...
  7. Tobacco Science & Technology, 2012, 3, p. 48-51., ISSN.1002-0861

    Factors influencing determination of total volatile components in tobacco flavors

    LIU Shan(1); HU Jun(1); LIU Yang(1); HUANG Yan(2); ZHU Qinglin(3); QU Rongfen(4); LIU Yi(5); YANG Tingshu(6); XIE Jianping(1)
    (1) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P.R. China; (2) Huafang Tobacco Flavor Co., Ltd., Guangzhou 510530, P.R. China; (3) China Tobacco Anhui Industrial Co., Ltd., Hefei 230088, P.R. China; (4) Hongta Tobacco (Group) Co., Ltd., Yuxi 653100, Yunnan, P.R. China; (5) Huabao Food Flavor and Fragrance (Shanghai) Co., Ltd., Shanghai 201821, P.R. China; (6) Yunnan Reascend Tobacco Technology (Group) Co., Ltd., Kunming 650106, P.R. China
    In order to investigate the factors influencing the determination of total volatile components in tobacco flavor, 6 tobacco flavor samples including top flavors and casings were measured in 4 laboratories. The factors involved were specifications of...
  8. Tobacco Science & Technology, 2012, 4, p. 28-32, ISSN.1002-0861

    Determination of hydrogen peroxide in mainstream cigarette smoke by highly selective fluorescence method with Amplex Red/HRP

    PENG Shuhai(1); ZHANG Ying(2); LIU Hailin(1); ZHUANG Yadong(2); JIANG Chengyong(1); SUN Shihao(1); ZONG Yongli(1); XIE Jianping(1)
    (1) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P.R. China; (2) Technology and Research Center, China Tobacco Jiangsu Industrial Co., Ltd., Nanjing 210093, P.R. China
    A highly selective fluorescence method with Amplex Red HRP was developed to determine the hydrogen peroxide in mainstream cigarette smoke. This method’s LOD=13.5 nmol/L, recovery 98.3 %-101.7 % and RSD<3.17 % (n=5). The level of hydrogen peroxide...
  9. Tobacco Science & Technology, 2012, 5, p. 44-47, ISSN.1002-0861

    In vitro cytotoxicity assay for mainstream cigarette smoke with whole smoke exposure system

    LI Xiang; NIE Cong; SHANG Pingping; XIE Fuwei; LIU Huimin; XIE Jianping
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P.R. China
    The method of in vitro cytotoxicity assay for mainstream cigarette smoke was established by using VITROCELL® whole smoke exposure system associated with neutral red uptake assay. The cytotoxicity of mainstream cigarette smoke of 29 domestic and...
  10. Tobacco Science & Technology, 2012, 5, p. 69-73, ISSN.1002-0861

    Effects of nanometer synergistic fertilizer on growth, development and quality of flue-cured tobacco

    GUO Weimin(1); YIN Qisheng(1); ZHANG Yanling(1); CAI Xianjie(1); LIANG Taibo(1); LI Zhihui(2); WANG Weichao(3); CAO Xiaotao(3); LI Weiguan(3); SUN Yongjun(3); XIE Jianping(*1)
    (1) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P.R. China; (2) Hualong Fertilizer Technology Co., Ltd., Beijing 102601, P.R. China; (3) Xiangcheng Branch of Xuchang Tobacco Company, Xiangcheng 461700, Henan, P.R. China
    The effects of nanometer synergistic fertilizer on the growth, economic characters and quality of flue-cured tobacco were investigated on cv. Zhongyan 100 by field experiment. The results showed that: 1) at prophase and metaphase, growth of tobacco...