1. CORESTA Meeting, Agronomy/Phytopathology, 2019, Victoria Falls, AP 29

    Construction of green flue-cured tobacco strips aging technology based on four-stage controlled atmosphere method

    HE Wei(1); MU Wenjun(2); FAN Jianqiang(1); BAO Kexiang(1); CHEN Yiqiang(1); LIN Jian(1); QI Lingfeng(1); ZHANG Ruiqiang(1); ZHANG Zengji(1); GUO Jianhua(2); SONG Jizhen(2); WANG Chunlu(3); FAN Tiantian(3)
    (1) Fujian Tobacco Industry Co., Ltd., Xiamen, P.R. China; (2) Key Laboratory of Eco-environment and Leaf Tobacco Quality, Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, P.R. China; (3) Beijing Yingfeng Litai Technology & Trade Co., Ltd., Beijing, P.R. China
    Aging of flue-cured tobacco strips plays an important role in improving the quality and use value of tobacco. Natural aging is the most widely used storage method at present, but there are still some problems, such as shorter suitable aging duration, easy ...
  2. CORESTA Meeting, Agronomy/Phytopathology, 2019, Victoria Falls, AP 36

    Mutations of phytochelatin synthase (PCS) genes by CRISPR/Cas9 reduce accumulation of cadmium in tobacco leaves

    SEO H.S.; LEE Y.G.; KIM K.C.; OH K.H.; JEON E.Y.; NA W.H.; LEE J.H.
    KT&G Research Institute, Daejeon, South Korea
    Cadmium (Cd) is classified as a Class 1 “known human carcinogen” by the International Agency for Research on Cancer (IARC). Cd accumulation in crop plants including tobacco (Nicotiana tabacum) can lead to human exposure. Cd is a non-essential heavy metal ...
  3. CORESTA Meeting, Smoke Science/Product Technology, 2019, Hamburg, ST 08

    Effects of smoking parameters on aerosol delivery of next generation of Heated Tobacco Products (HTPs)

    JIN S.J.; LIM G.H.; SHIN G.W.; SHIN S.H.; LEE J.M.
    KT&G Research Institute, Daejeon, South Korea
    In recent years there have been many changes in the cigarette market. Cigarette users are accepting novel products along with conventional cigarettes. These novel products are sometimes referred to as next generation products (NGPs), and include items ...
  4. CORESTA Meeting, Smoke Science/Product Technology, 2019, Hamburg, ST 17

    Comparison of in vitro toxicity of heated tobacco products and combustible cigarettes

    JANG M.; PARK C.H.; YOO J.H.; GWAK H.M.; SOHN H.O.
    KT&G Research Institute, Daejeon, South Korea
    In recent years, the paradigm of the tobacco industry has been changing with the development of heated tobacco products (HTPs) that have a similar taste to cigarettes but significantly reduce the amount of smoke components. The purpose of this study was ...
  5. CORESTA Meeting, Smoke Science/Product Technology, 2019, Hamburg, ST 22

    Study of combustion patterns for ignition propensity test using several kinds of substrates and cigarettes

    LEE D.H.; KIM Y.S.; SHIN H.J.; LEE M.Y.
    KT&G Research Institute, Daejeon, South Korea
    The ignition propensity of cigarettes can be measured in accordance with ISO 12863:2010. It recommends the use of Whatman No. 2 filter paper as a substrate. Actually most laboratories use this filter paper and there may be a need to replace Whatman No. 2 ...
  6. CORESTA Meeting, Smoke Science/Product Technology, 2019, Hamburg, ST 26

    Digital evaluation of tobacco style and quality by using a support vector machine algorithm with thermal analysis spectra

    LI Qiaoling(1); YIN Chao(2); ZHENG Quanxing(1); YU Yumei(1); LIU Xiucai(1); DENG Xiaohua(1); ZHANG Tinggui(1); ZHONG Jiawei(1); WANG Le(3); XU Hanchun(1); LIN Kai(1); MA Pengfei(1); HUANG Chaozhang(1); LI Bin(3); WU Anan(2)
    (1) Technology Center, China Tobacco Fujian Industrial Co., Ltd., Xiamen, Fujian, P.R. China; (2) College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, Fujian, P.R. China; (3) Key Laboratory of Tobacco Processing Technology of CNTC, Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, P.R. China
    In the processes of tobacco blend design and product maintenance of cigarettes, the evaluation of tobacco style and quality is very important. At present, the evaluation method mainly relies on artificial sensory analysis, which is subjective and ...
  7. CORESTA Meeting, Smoke Science/Product Technology, 2019, Hamburg, ST 29

    Thermochemical and thermophysical mapping of burning superslim and kingsize cigarettes

    EHLERT S.(1,3); CUI H.(2); HEIDE J.(3); XIE F.(2); DENG N.(2); LIU C.(4); McADAM K.(4); WALTE A.(1); ZIMMERMANN R.(3)
    (1) Photonion GmbH, Schwerin, Germany; (2) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, Henan, P.R. China; (3) University of Rostock, Dept. of Analytical Chemistry, Rostock, Germany; (4) British American Tobacco, R&D Centre, Southampton, U.K.
    After presenting and publishing the proof of principle of the in-situ thermochemical and thermophysical mapping inside a burning Super Slim (SS) cigarette, we now extended the study scope to other cigarette formats and smoking regimes [1]. A Chinese ...
  8. 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 smoke ...
  9. 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). The ...