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234 results

  1. 49th TWC, Tob. Work. Conf., 2020, abstr. 75

    Tobacco production programming in the Suwannee River Valley of North Florida

    VANN C.D.(1); WYNN K.(1); BROUGHTON D.(1); MOORE J.M.(2); VANN M.C.(3)
    (1) University of Florida, FL USA; (2) University of Georgia, Tifton, GA USA; (3) North Carolina State University, Raleigh, NC USA
    Since the 1920s, the Suwannee River Valley of North Florida has been known for producing premium quality tobacco. Over the years a Tobacco Extension Program has evolved which assists local producers with current production practices, governmental...
  2. 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...
  3. 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....
  4. 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...
  5. 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...