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79 results

  1. CORESTA Congress, Kunming, 2018, Smoke Science/Product Technology Groups, ST 25

    Misperception of e-cigarette harm growing among American adults, 2013-2015

    VERRON T.(1); GUO M.(1); VARIGNON B.(1); O'CONNELL G.(2); WALELE T.(2); CAHOURS X.(1)
    (1) SEITA - Imperial Brands plc, Paris, France; (2) Fontem Ventures B.V., Amsterdam, The Netherlands
    Electronic cigarettes (e cigarettes) have been characterised as significantly less harmful than smoked tobacco by an increasing number of public health authorities. However, the proportion of American adults who perceive e cigarettes to be equally or more ...
  2. CORESTA Congress, Kunming, 2018, Smoke Science/Product Technology Groups, ST 39

    Impact of cigarette paper and blend on super slim, slim and king-size cigarette designs

    WANNA J.(1); CHEN Cai(2); XIAO Cuicui(3); LIANG Chenze(3); RUI Li(4); ZHANG Wenjun(4)
    (1) SWM Intl., Alpharetta, GA, U.S.A.; (2) SWM Shanghai Representative Office, Shanghai, P.R. China; (3) China Tobacco Mauduit, Jiangmen, Guangdong, P.R. China; (4) China Tobacco Schweitzer, Yuxi City, Yunnan, P.R. China
    Superslim (SS) cigarettes account for 5 % of total cigarette sales on the Chinese market, with a year to year increase of 2.1 %. Similar to this fast-growing trend, many more brands of slim (SL) cigarettes have been offered on the market since 2017. To ...
  3. CORESTA Congress, Kunming, 2018, Smoke Science/Product Technology Groups, ST 47

    Study on reducing the fragmentation rate of paper-making reconstituted tobacco during the cutting process in the cigarette factory

    ZHANG Wenjun(1); TENNIER J.(2); TU Yangang(1); ZHANG Yan(3); ZHENG Jianyu(1); ZHANG Mengyuan(1); LI Rui(1); LIU Jing(1); XIONG Zhen(1); ZHOU Guiyuan(1)
    (1) China Tobacco Schweitzer (Yunnan) Reconstituted Tobacco Co., Ltd, Yuxi City, Yunnan, P.R. China; (2) SWM Intl., Alpharetta, GA, U.S.A.; (3) Yunnan Tobacco Quality Supervision and Inspection Station, Kunming, Yunnan, P.R. China
    It is known that reconstituted tobacco leaf tends to generate dust and particles during the cutting process in the cigarette factory. To solve the issue, analysis of the composition structure of manufacturing waste was carried out. Effects on the ...
  4. CORESTA Congress, Kunming, 2018, Smoke Science/Product Technology Groups, ST 48

    Research on colour improvement of paper-making reconstituted tobacco

    SU Dandan(1); TU Yangang(1); ZHANG Wenjun(1); TENNIER J.(2); WEI Mingwen(1); WANG Xiaosheng(1); FENG Tao(1); MI Lan(1); ZHOU Guiyuan(1)
    (1) China Tobacco Schweitzer (Yunnan) Reconstituted Tobacco Co., Ltd, Yuxi City, Yunnan, P.R. China; (2) SWM Intl., Alpharetta, GA, U.S.A.
    Paper-making reconstituted tobacco (PRT) is an important raw material for the tobacco industry, with various benefits including reducing cost, smoke tar delivery, and impact on the environment. The different appearance of PRT compared to regular cigarette ...
  5. CORESTA Congress, Kunming, 2018, Smoke Science/Product Technology Groups, STPOST 47

    Effect of ethanol concentration on chemical composition of tobacco extracts

    ZHENG Jianyu(1); LIU Changbo(1); ZHANG Wenjun(1); TENNIER J.(2); FU Yin(1); XIONG Zhen(1); CHEN Shaoquan(1); FENG Tao(1); WANG Yanhong(1); ZHOU Guiyuan(1)
    (1) China Tobacco Schweitzer (Yunnan) Reconstituted Tobacco Co., Ltd, Yuxi City, Yunnan, P.R. China; (2) SWM Intl., Alpharetta, GA, U.S.A.
    Ethanol is widely used as a solvent in the chemical, pharmaceutical, and biological industries, for the extraction of various natural products, including those from tobacco. In this study, an ethanol-water system with four different concentrations of ...
  6. CORESTA Congress, Kunming, 2018, Smoke Science/Product Technology Groups, STPOST 52

    Biological test procedure for fresh generated cigarette smoke and e-cigarette aerosols under air-liquid interface (ALI) exposure in 24 and 96 multi-well plates

    WIECZOREK R.(1); TRELLES STICKEN E.(1); WALELE T.(2); CZEKALA L.(3); SIMMS L.(3)
    (1) Reemtsma Cigarettenfabriken GmbH, Imperial Brands plc, Hamburg, Germany; (2) Fontem Ventures, Amsterdam, The Netherlands; (3) Imperial Tobacco Limited, Bristol, U.K.
    Cigarette smoke and e cigarette aerosol contain particulate matter/liquid droplets in the solid phase as well as volatile substances in the gas phase. Both fractions are of potential toxicological relevance and should be considered when assessing ...
  7. CORESTA Congress, Kunming, 2018, Smoke Science/Product Technology Groups, STPOST 53

    Use of human derived cell lines to increase the biological relevance of cigarette condensate, non-tobacco materials and e-liquids testing

    WIECZOREK R.(1); TRELLES STICKEN E.(1); WALELE T.(2); CZEKALA L.(3); SIMMS L.(3)
    (1) Reemtsma Cigarettenfabriken GmbH, Imperial Brands plc, Hamburg, Germany; (2) Fontem Ventures, Amsterdam, The Netherlands; (3) Imperial Tobacco Limited, Bristol, U.K.
    The in vitro testing strategy of tobacco products is mainly based on the testing of extracts from cigarette smoke condensates. An accepted industry wide assay battery has been developed over recent years which delivers reliable results for the ...
  8. CORESTA Meeting, Agronomy/Phytopathology, 2017, Santa Cruz do Sul, AP 39

    Identification of genetic determinants controlling cadmium accumulation in tobacco

    BERTRAND J.(1); JULIO E.(2); COTUCHEAU J.(2); DORLHAC DE BORNE F.(2); BERTHOMIEU P.(1)
    (1) UMR de Biochimie et Physiologie Moléculaire des Plantes, INRA/CNRS/Montpellier SupAgro/Université Montpellier, Montpellier, France; (2) Imperial Tobacco Limited, Leaf Research, La Tour, Bergerac, France
    Cadmium is a toxic heavy metal naturally absorbed and accumulated by plants. It is present in tobacco (Nicotiana tabacum) leaves and potentially in the smoke of cigarettes. Reducing the cadmium content in leaves of tobacco plants requires a better ...
  9. CORESTA Meeting, Smoke Science/Product Technology, 2017, Kitzbühel, ST 62

    Overview of in vitro methods used to assess e-cigarettes based on “Toxicity Testing in 21st Century” principles

    SIMMS L.(1); STEVENSON M.(1); CZEKALA L.(1); TSCHIERSKE N.(1); WALELE T.(2)
    (1) Imperial Tobacco Ltd, Bristol, U.K.; (2) Fontem Ventures B.V. (an Imperial Brands PLC Company), Amsterdam, The Netherlands
    When the National Academies of Sciences released “Toxicity Testing in the 21st Century: A Vision and a Strategy” a new toxicological paradigm was created, focusing on the use of human cell lines and the disruption of key cellular pathways. In keeping with ...
  10. CORESTA Meeting, Smoke Science/Product Technology, 2017, Kitzbühel, STPOST 08

    Indoor air quality and surface deposition assessment following use of an open system e-cigarette

    BAUER N.(1); TSCHIERSKE N.(1); O'CONNELL G.(2); CAHOURS X.(3)
    (1) Reemtsma Cigarettenfabriken GmbH (an Imperial Brands PLC Company), Hamburg, Germany; (2) Fontem Ventures B.V. (an Imperial Brands PLC Company), Amsterdam, The Netherlands; (3) SEITA-Imperial Tobacco Limited, Fleury-les-Aubrais, France
    Electronic cigarette (e-cigarette) nicotine delivery devices are growing in popularity worldwide. Both regulators and public health organisations are beginning to examine potential implications that exposure to exhaled e-cigarette aerosol may have on non ...