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15 results

  1. 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 ...
  2. 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 ...
  3. CORESTA Meeting, Smoke Science/Product Technology, 2017, Kitzbühel, STPOST 21

    The use of in vitro human biomarkers from relevant primary cell lines, to assess the effects of increasing nicotine concentration in e-liquids

    SIMMS L.(1); STEVENSON M.(1); CZEKALA L.(1); TSCHIERSKE N.(1); BERG E.(2); WALELE T.(3)
    (1) Imperial Tobacco Ltd, Bristol, U.K.; (2) DiscoverX Corporation, Fremont, CA, U.S.A.; (3) Fontem Ventures B.V. (an Imperial Brands PLC Company), Amsterdam, The Netherlands
    As part of the ongoing stewardship of electronic cigarettes, and in line with the National Academies of Sciences “ Toxicity Testing in the 21st Century: A Vision and a Strategy ”, Fontem Ventures B.V. have investigated the utility of a series of endpoints ...
  4. CORESTA Meeting, Smoke Science/Product Technology, 2017, Kitzbühel, STPOST 27

    The application of microwave expanded cut tobacco stem in cigarette filter

    LIU Yang; XU Lanlan; WU Jingqiang; LIU Weijuan; XIAO Weiyi; SUN Jun; JIANG Wen; XIONG Shanshan
    Yunnan Reascend Tobacco Technology (Group) Co., Ltd, Kunming, Yunnan, P.R. China
    Microwave expanded tobacco stem (METS) is a type of cigarette material with good filling and adsorption capacity and many aromatic constituents. At present, METS is mainly used to make cut stem or granules and added into the tobacco blends. METS can ...
  5. CORESTA Meeting, Smoke Science/Product Technology, 2015, Jeju, ST 27

    Analysis of process intensity on tobacco moisture retention based on uniform design

    LI Wenjuan(1); ZHOU Fangfang(1); LONG Minghai(1); ZI Wenhua(1); JIANG Meihong(1); LIU Ze(2)
    (1) Yunnan Reascend Tobacco Technology (Group) Co., Ltd., Kunming, Yunnan, P.R. China; (2) Hongyun Honghe Group, Kunming, Kunming, P.R. China
    Tobacco moisture retention provides essential information about moisture adsorption behaviour and physical characteristics of cigarette formulating, which also influence cigarette aroma and smoking quality. Effect of the intensity of the casing process on ...
  6. CORESTA Meeting, Smoke Science/Product Technology, 2015, Jeju, ST 28

    Process optimisation of ultrasonic vibration-assisted enzymatic digestion of cellulose and pectin in tobacco stems

    LI Biao; CHEN Lin; ZHANG Xiaolong; XUE Hongfen; ZI Wenhua
    Yunnan Reascend Tobacco Technology (Group) Co., Ltd., Kunming, Yunnan, P.R. China
    Tobacco stems contain greater amounts of cellulose, hemicellulose, lignin, and pectin compared to lamina. For this reason, stems have a sensory deficit compared to lamina. The aim of this work was to establish an optimised model, via quadratic polynomial ...
  7. CORESTA Meeting, Smoke Science/Product Technology, 2013, Seville, ST 11

    Research on dynamic changes of cut tobacco physical and chemical properties during the over-drying process

    QIU Changgui(1); FENG Wenchao(1,3); LIU Ze(2); ZHU Yong(2); HE Banghua(2); WANG Hui(2); LI Jun(1); HOU Ying(1)
    (1) Yunnan Reascend Tobacco Technology (Group) Co., Ltd., Kunming, P.R. China; (2) Technology Centre of Hongyun Honghe Tobacco (Group) Co., Ltd., Kunming, P.R. China; (3) Faculty of Chemical Engineering, Kunming University of Science and Technology, Kunming, P.R. China
    In order to investigate the dynamic changes of cut tobacco physical and chemical properties during the over-drying process, the moisture content, the filling values, the microstructure, the routine chemical components, the polyphenols content and the ...
  8. CORESTA Meeting, Smoke Science/Product Technology, 2013, Seville, ST 16

    Study on the application of nano-iron oxide to reduce CO in the production of reconstituted tobacco sheets

    LIU Weijuan; MIAO Yinju
    Yunnan Reascend Tobacco Technology (Group) Co. Ltd., Kunming, P.R. China
    Nanoparticle iron oxides were prepared by an innovative Sol-Gel method and their surface properties including specific surface area, particle diameter distribution, crystal face diffraction were characterised by employing BET surface area analyser, X-ray ...
  9. CORESTA Meeting, Smoke Science/Product Technology, 2013, Seville, ST 17

    Study of PAMAM grafted silica gels for selectively reducing harmful compounds in cigarette mainstream smoke

    ZHANG Yili
    Yunnan Reascend Tobacco Technology (Group) Co. Ltd., Kunming, P.R. China
    This study is the first report of PAMAM (Polyamidoamine) grafted silica gels adopted as selective absorbents added to the cigarette filter. Preparation, characterisation and application of PAMAM grafted silica gels are discussed in this paper. PAMAM ...