Search Results

96 results

  1. CORESTA Congress, Kunming, 2018, Agronomy/Phytopathology Groups, AP 11

    Breeding of an extremely low nicotine Burley tobacco line and its characteristics

    NA Woong-Hyun; KIM Kwang-Chul; OH Kyung-Hwan; JEON Eun-Young; LEE Jeong-Heon
    KT&G R&D Headquarters, Daejeon, South Korea
    Worldwide, regulation on tobacco and cigarettes is increasing more and more. In addition, the U.S. Food and Drug Administration (FDA) has recently announced a plan for regulation of nicotine content in tobacco. In this situation, not only flue-cured ...
  2. CORESTA Congress, Kunming, 2018, Smoke Science/Product Technology Groups, ST 02

    Effect of heating temperature on chemical characterisation and biological activity of tobacco smoke emission

    SHIN Han-Jae; GWAK Hyo-Min; LEE Moon-Yong
    KT&G Research Institute, Daejeon, South Korea
    Cigarette smoke is mainly produced by distillation, pyrolysis and combustion reactions when the tobacco is burnt. Heating type cigarettes have been reported to have the potential to reduce or eliminate some toxicants found in cigarette smoke because ...
  3. CORESTA Congress, Kunming, 2018, Smoke Science/Product Technology Groups, ST 11

    Determination of the transfer of nicotine and selected ingredients into heat-not-burn tobacco product mainstream aerosol by using gas chromatography

    YUN J.H.; JIN S.J.; LIM G.H.; LEE J.M.
    KT&G Research Institute, Daejeon, South Korea
    Recently, tobacco manufacturing companies launched heat-not-burn tobacco products (HNBs) such as iQOS, Glo and lil. The aerosol of HNBs is generated by the heating of a tobacco type material below 350 °C. In conventional cigarettes the aerosol is formed ...
  4. CORESTA Congress, Berlin, 2016, Smoke Science/Product Technology Groups, STPOST 26

    A review of aerosol exposure systems relative to the analysis of cytotoxicity: a CORESTA In vitro Toxicity Testing Sub-Group perspective

    THORNE D.(1); WIECZOREK R.(2); FUKUSHIMA T.(3); SHIN H.J.(4); LEVERETTE R.(5); BALLANTYNE M.(6); LI X.(7); BOMBICK B.(5)
    (1) British American Tobacco, R&D Centre, Southampton, U.K.; (2) Reemtsma Cigarettenfabriken GmbH (an Imperial Brands PLC Company), Hamburg, Germany; (3) Japan Tobacco Inc., Scientific Product Assessment Centre, Yokohama, Kanagawa, Japan; (4) KT&G Corporation, Daejeon, South Korea; (5) RAI Services Company, Winston-Salem, NC, U.S.A.; (6) Covance Laboratories Ltd, Harrogate, U.K.; (7) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, P.R. China
    Aerosol exposure systems offer researchers a variety of ways to customise the exposure set-up, modify experimental parameters and provide a novel and versatile platform for in vitro aerosol research. These systems produce an aerosol that more closely ...
  5. CORESTA Congress, Quebec, 2014, Smoke Science/Product Technology Groups, ST 53

    The effect of the puff duration on the cigarette smoke chemistry

    HAN E.J.; LEE J.; SHIN H.G.; LIM G.H.; KIM H.K.
    KT&G Research Institute, Yuseong-Gu, Daejeon, South Korea
    It is well known that puff parameters (puff duration, puff interval, puff volume) used for machine smoking affect cigarette smoke yield and chemistry. Smoking machines are generally operated under three or four smoking regimes to generate and collect ...
  6. CORESTA Congress, Quebec, 2014, Smoke Science/Product Technology Groups, ST 66

    Development of a fast screening method for crop protection agents in tobacco by solid sorptive extraction-thermal desorption-gas chromatography mass spectrometry

    MIN H.J.; LEE J.M.; LEE M.Y.; JANG G.C.
    KT&G Research Institute, Yuseong-Gu, Daejeon, South Korea
    Simultaneous determination of crop protection agents (CPAs) in food is done with multi-residue methods, which are composed of sample clean-up, concentration, chromatographic separation and detection. The Solid Sorptive Extraction (SSE) technique is used ...
  7. CORESTA Congress, Quebec, 2014, Smoke Science/Product Technology Groups, ST 70

    Determination of volatile nitrosamines in mainstream cigarette smoke by gas chromatography tandem mass spectrometry

    LEE J.M.; MIN H.J.; LEE M.Y.
    KT&G Research Institute, Yuseong-Gu, Daejeon, South Korea
    Volatile nitrosamines are very important constituents of tobacco and cigarette smoke. Since volatile nitrosamines were placed on the United States Food and Drug Administration (FDA) Harmful and Potentially Harmful Constituents (HPHC) list, there is a need ...
  8. CORESTA Congress, Sapporo, 2012, Smoke Science/Product Technology Groups, SS 06

    Relationship between leaf/smoke components and in vitro biological activity using several kinds of leaf tobaccos

    SHIN H.J.; JANG M.; HYUN H.C.
    KT&G Research Institute, Daejeon, South Korea
    This study was conducted to get the information about relationship among leaf and smoke components and in vitro toxicity according to several kinds of leaf tobaccos. Twelve Burley and ten flue-cured leaf tobaccos which were of different grades, three ...
  9. CORESTA Congress, Sapporo, 2012, Smoke Science/Product Technology Groups, SSPT 30

    Comparative study of solvent extraction and thermal desorption method to determine volatile organic compounds in cigarette sidestream smoke

    MIN H.J.; KIM I.J.; LEE J.M.; JANG G.C.
    KT&G R&D Headquarters, Daejeon, South Korea
    The determination of volatile organic compounds (VOCs) in sidestream smoke is a field of increasing interest, because they have a significant impact on finished tobacco products. The flavour of tobacco typically comprises contributions from hundreds of ...
  10. CORESTA Congress, Edinburgh, 2010, SSPTPOST 11

    Determination of cadmium transfer rate from the tobacco to cigarette smoke

    SONG Mi-Young; CHO Sung-Eel; KIM Do-Yeon; BOCK Jin-Young; HWANG Keon-Joong
    KT&G Research Institute, Daejeon, South Korea
    Heavy metals, such as chromium, nickel, arsenic, cadmium and lead, are present in tobacco smoke and are known to be toxic carcinogenic compounds to the human body.In this study, the concentration of cadmium in Ky3R4F reference cigarette and two commercial ...