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158 results

  1. CORESTA Congress, Online, 2020, Agronomy/Phytopathology Groups, AP 25

    Analysis of TSNAs and their relationship with alkaloids in cigar wrapper and filler tobaccos from different regions and varieties

    SHI Hongzhi(1); ZHOU Di(1); SUN Yuqi(1); WANG Jun(2); ZHOU Jun(3); ZHAO Yuanyuan(1); ZENG Dailong(4); QIN Yanqing(2); BAI Ruoshi(3); YANG Xingyou(2); LI Jingjing(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) Sichuan Tobacco Company, Chengdu, P.R. China; (3) Beijing Cigarette Factory of Shanghai Tobacco (Group) Co., Beijing, P.R. China; (4) China Tobacco Sichuan Industrial Co., Ltd, Great Wall Cigar Factory, Shifang, P.R. China
    Cigar tobacco production is growing rapidly as cigar consumption has been increasing recently in China. In order to be clear about the current status of tobacco-specific nitrosamine (TSNA) contents of cigar wrappers and fillers from different regions...
  2. CORESTA Congress, Online, 2020, Smoke Science/Product Technology Groups, ST 03

    Method development for the analysis of mono-carbonyl compounds in e-vapor products by LC-MS

    ZHU J.; HEREDIA A.; TWEEDY J.; TAYYARAH R.
    ITG Brands and Fontem USA, Greensboro, NC, U.S.A.
    At the 73rd Tobacco Science Research Conference (TSRC), we presented a novel method for quantitation by LC-MS of mono-carbonyl compounds in e-vapor product aerosol samples. The method is simple and robust with good recoveries. We have since extended...
  3. CORESTA Congress, Online, 2020, Smoke Science/Product Technology Groups, ST 28

    Transfer of aroma components in slim cigarettes flavoured by different methods

    WU Bingyu; FEI Ting; LUO Chen; BI Yanjiu; MA Lichao; TAO Liqi; WU Da
    Shanghai Tobacco Group Co., Ltd., of CNTC, Shanghai, P.R. China
    It is of great significance to systematically study the transfer of aroma components in slim cigarettes flavoured by different methods for increasing the aroma quantity of slim cigarettes. In this study, a gas chromatography-tandem mass spectrometry...
  4. 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...
  5. 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....
  6. 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...
  7. 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...
  8. CORESTA Meeting, Smoke Science/Product Technology, 2019, Hamburg, ST 45

    Meta-analysis of two biomarkers of exposure of tobacco products

    AYALA-FIERRO F.(1); ELAMIN A.(2); FROST-PINEDA K.(3); JIN T.(3); PRASAD G.L.(3); SARKAR M.(4); SCHMIDT E.(3); VERRON T.(5)
    (1) ITG Brands LLC, Greensboro, NC, U.S.A.; (2) PMI R&D, Philip Morris Products S.A., Neuchâtel, Switzerland; (3) RAI Services Company, Winston-Salem, NC, U.S.A.; (4) Altria Client Services LLC, Richmond, VA, U.S.A.; (5) SEITA - Imperial Brands, Paris, France
    In the context of tobacco products, broadly two types of biomarkers exist, biomarkers of exposure (BoE) and biomarkers of potential harm (BoPH). BoE measure exposure to tobacco constituents, e.g. carbon monoxide (CO) and nicotine equivalents (NEQs)....
  9. 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...