Search Results

243 results

  1. CORESTA Meeting, Agronomy/Phytopathology, 2019, Victoria Falls, AP 52

    Changes in TSNA contents and sensory quality of ultra-low nicotine tobacco leaves produced by grafting with eggplant

    REN Mengjuan(1); SHI Hongzhi(1); LI Hongliang(2); ZHOU Jun(3); TANG Chaoqi(3); BAI Ruoshi(3); ZHANG Mengyue(1)
    (1) College of Tobacco Science of Henan Agricultural University / Tobacco Cultivation Key Laboratory of China Tobacco / Tobacco Harm Reduction Research Center of HAU, Zhengzhou, P.R. China; (2) Xuchang Tobacco Company of Henan, P.R. China; (3) Shanghai Tobacco (Group) Co., Ltd., Shanghai, P.R. China
    Ultra-low nicotine tobacco production has been given broad attention due to the possible regulation of nicotine content in cigarette tobacco. Based on grafting with eggplant (eggplant as rootstock, flue-cured variety Yunyan 87 as scion), the feeding ...
  2. CORESTA Meeting, Agronomy/Phytopathology, 2019, Victoria Falls, APPOST 02

    Effects of spraying exogenous glycerol and molybdate on nitrate accumulation in pot-grown Burley tobacco leaves

    FENG Yuqing(1); SHI Hongzhi(1); LI Yafei(1,2); ZHOU Jun(3)
    (1) College of Tobacco Science of Henan Agricultural University, Tobacco Harm Reduction Research Center, Zhengzhou, P.R. China; (2) Henan Institute of Economics and Trade, Zhengzhou, P.R. China; (3) Beijing Cigarette Factory, Shanghai Tobacco Group Co., Ltd., Beijing, P.R. China
    Burley tobacco is well known as yellow-green leaf tobacco with reduced chlorophyll content and lower carbohydrate accumulation and lower nitrogen assimilation ability, resulting in the accumulation of nitrate, one of the precursors of TSNAs. Enhancing the ...
  3. 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 ...
  4. CORESTA Meeting, Smoke Science/Product Technology, 2019, Hamburg, ST 28

    Simultaneous determination of 20 amino acids in tobacco leaves by multiple heart-cut two-dimensional liquid chromatography

    WANG Yangzhong; QI Dawei; WU Da; LIU Baizhan
    Technology Center, Shanghai Tobacco Group Co., Ltd., Shanghai, P.R. China
    Amino acids are important aroma precursors in tobacco. They can react with reducing sugar in the processes of tobacco curing, aging or smoking, which is called the Maillard reaction. Various heterocyclic aroma compounds are generated in this reaction, ...
  5. CORESTA Meeting, Smoke Science/Product Technology, 2019, Hamburg, ST 46

    Analysis of aroma components in oral fluids of cigarette smokers

    FEI Ting; BI Yanjiu; LIANG Demin; QI Dawei; TAO Liqi; YU Jie; WU Da; LIU Baizhan
    Technology Center, Shanghai Tobacco Group Co., Ltd., Shanghai, P.R. China
    The sensory quality of cigarettes depends on the effects of chemical components in the mainstream smoke on the consumer’s sensory organs. To provide a reference for cigarette quality assessment, a method for analysing aroma components in the oral fluids ...
  6. CORESTA Meeting, Smoke Science/Product Technology, 2019, Hamburg, ST 56

    Effects of acidic components in cigarette smoke on lipid metabolism in salivary glands of rats

    SHA Yunfei; LIANG Demin; WU Da; LIU Baizhan
    Technology Center, Shanghai Tobacco Group Co., Ltd., Shanghai, P.R. China
    Some components in tobacco, such as acidic components, stimulate the salivary secretion in smokers. However, their effect on lipid metabolism in salivary gland tissues remains unclear. In this study, the effects of acidic components in cigarette smoke on ...
  7. CORESTA Meeting, Smoke Science/Product Technology, 2019, Hamburg, STPOST 62

    Determination of 16 polycyclic aromatic hydrocarbons in cigarette mainstream smoke and filter by on-line coupled LC-GC/MS

    CAI Zhenbo; WANG Yangzhong; TAO Liqi; WU Da; LIU Baizhan
    Technology Center, Shanghai Tobacco Group Co., Ltd., Shanghai, P.R. China
    Polycyclic aromatic hydrocarbons (PAHs) are present as trace constituents in cigarette smoke. Many PAHs are well known carcinogens, International Agency for Research on Cancer (IARC) Group 1. In this study, we present a novel fully automated on-line LC-GC ...
  8. CORESTA Congress, Kunming, 2018, Agronomy/Phytopathology Groups, AP 27

    The research and application of systematic technologies for reducing tobacco specific nitrosamines in tobacco and cigarette smoke

    BAI Ruoshi(1); ZHOU Jun(1); YANG Chunlei(2); SHI Hongzhi(3); LIU Weijuan(4); XU Tongguang(1); MA Yanjun(1); LIU Xingyu(1); YANG Jinpeng(2); WANG Jun(3); ZHANG Jie(1); YANG Zhendong(1); ZHENG Xiaoman(1); ZHANG Chen(1)
    (1) Technical Center of Beijing Cigarette Factory, Shanghai Tobacco Group Co., Ltd, Beijing, P.R. China; (2) Hubei Tobacco Research Institute, Wuhan, P.R. China; (3) Henan Agriculture University, Zhengzhou, P.R. China; (4) Yunnan Reascend Tobacco Technology (Group) Co., Ltd, Kunming, P.R. China
    Reduction of tobacco specific nitrosamines (TSNAs) in tobacco and cigarette smoke is a research hotspot. The systematic technologies for reducing TSNAs in both agricultural and industrial areas were developed and applied. The TSNA levels for the upper and ...
  9. CORESTA Congress, Kunming, 2018, Agronomy/Phytopathology Groups, AP 28

    Effect of vacuum packaging on the formation of TSNAs in tobacco leaves during storage

    WANG Jun(1); SHI Hongzhi(1); Li Jingjing(1); ZHOU Jun(2); YANG Huijuan(1); BAI Ruoshi(2); ZHANG Chen(2)
    (1) Henan Agricultural University / China National Tobacco Cultivation & Physiology & Biochemistry Research Center / Tobacco Cultivation Key Laboratory of China Tobacco, Zhengzhou, P.R. China; (2) Beijing Cigarette Factory of Shanghai Tobacco Group Co., Ltd., Beijing, P.R. China
    Experiments were carried out to further clarify the effect of NOx on the formation of TSNAs during tobacco storage. Vacuum treatment was used to change the packing method of tobacco leaves, after which the changes of TSNAs after high temperature treatment ...
  10. CORESTA Congress, Kunming, 2018, Agronomy/Phytopathology Groups, AP 29

    Changes in content of TSNAs and other compounds of different tobacco types during 6-year long-term storage

    ZHANG Mengyue(1); SHI Hongzhi(1); ZHOU Jun(2); DUAN Weidong(3); YANG Huijuan(1); BAI Ruoshi(2)
    (1) Henan Agricultural University, National Tobacco Cultivation & Physiology & Biochemistry Research Center, Zhengzhou, P.R. China; (2) Beijing Cigarette Factory of Shanghai Tobacco Group Co., Ltd., Beijing, P.R. China; (3) China Tobacco Henan Industrial Ltd Co., Zhengzhou, P.R. China
    Samples of flue-cured, Burley and sun-cured tobaccos from different production areas were collected to investigate the changes in content of tobacco specific nitrosamines (TSNAs) by the SPE-LC-MS/MS method during 6-year long term storage under natural ...