Search Results

50 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 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...
  5. 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...
  6. 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...
  7. CORESTA Congress, Kunming, 2018, Agronomy/Phytopathology Groups, APPOST 11

    Field trials with low nicotine tobacco varieties developed by conventional breeding technique: first results

    MALPICA A.(1); EVANS W.(2); ARCHIBALD C.(3); SCOTT L.(4); GARWE D.(5); CHAMANGO A.M.Z.(6); DORLHAC de BORNE F.(7); COLARD S.(8)
    (1) Bergerac Seed and Breeding, Bergerac, France; (2) Imperial Tobacco South Africa Pvt. Ltd, Umhlanga, Durban, South Africa; (3) Alliance One International Services, Camberley, Surrey, U.K.; (4) Universal Leaf Tobacco Co., Richmond, VA, U.S.A.; (5) Tobacco Research Board (TRB), Harare, Zimbabwe; (6) Agricultural Research & Extension Trust (ARET), Lilongwe, Malawi; (7) Imperial Tobacco Limited, Bergerac, France; (8) SEITA - Imperial Brands plc, Paris, France
    In 2015, the World Health Organisation (WHO) Study Group on Tobacco Product Regulation (“TobReg”) issued an advisory note recommending a strategy of reducing nicotine in tobacco to substantially lower levels of 0.4 mg/g. In the U.S., the Food and...
  8. CORESTA Congress, Kunming, 2018, Plenary Session, IG 02

    Cigarette Variability Task Force study designs, statistical considerations, initial observations, and limitations

    MORTON M.J.(1); TAYYARAH R.(2); FLORA J.(1)
    (1) Altria Client Services LLC, Richmond, VA, U.S.A.; (2) ITG Brands, Greensboro, North Carolina, U.S.A. [Presented as a representative of the CVAR TF]
    The objective of the Cigarette Variability Task Force (CVAR TF) is to examine commercial cigarette variability through testing of select cigarette smoke and tobacco filler constituents plus select physical characteristics. To meet this objective, the...
  9. CORESTA Congress, Kunming, 2018, Smoke Science/Product Technology Groups, ST 13

    Release mechanism of nicotine in heat-not-burn tobacco products

    HUA Qing; ZHENG Saijing; ZHANG Wei; ZHOU Huiming; ZHANG Yichun; LU Wenjie; WU Da; SHEN Yi; LIU Baizhan
    Shanghai Tobacco Group Co., Ltd. of CNTC, Shanghai, P.R. China
    In this paper, the release of nicotine from reconstituted tobacco, on which different amounts of glycerol and water were applied, was investigated at different temperatures. The thermal release behaviour of nicotine from reconstituted tobacco was...