Search Results

131 results

  1. CORESTA Meeting, Agronomy/Phytopathology, 2019, Victoria Falls, AP 13

    Development of codominant markers related to powdery mildew resistance from N. tomentosiformis origin

    JULIO E.(1); MALPICA A.(2); COTUCHEAU J.(1); BACHET S.(2); VOLPATTI R.(1); DECORPS C.(1); DORLHAC DE BORNE F.(1)
    (1) SEITA - Imperial Brands, Leaf Research, Bergerac, France; (2) Bergerac Seeds and Breeding, Bergerac, France
    Powdery mildew is a common tobacco plant fungal disease which can reduce growers' crop yields, particularly in South Africa, Asia and Europe. Three different resistance sources are known, coming from wild tobacco species N. tomentosiformis and N....
  2. 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...
  3. 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)....
  4. CORESTA Congress, Kunming, 2018, Smoke Science/Product Technology Groups, ST 12

    Puff resolved determination of selected constituents in the aerosol of commercially available tobacco heating products using photoionisation mass spectrometry

    EHLERT S.(1,2); HEIDE J.(2); WALTE A.(1); ZIMMERMANN R.(2)
    (1) Photonion GmbH, Schwerin, Germany; (2) University of Rostock, Dept. of Analytical Chemistry, Rostock, Germany
    Commercially available tobacco heating products (THPs) are somehow hybrids between conventional cigarettes and e-cigarettes, as tobacco material is not burnt, but heated. Although the first THPs were coal heated and launched decades ago, currently...
  5. 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...
  6. CORESTA Congress, Kunming, 2018, Smoke Science/Product Technology Groups, ST 43

    On-line puff resolved analysis of cigarette smoke, e-cigarette vapour and vapour of tobacco heating products

    ZIMMERMANN R.(1); EHLERT S.(1,2); HEIDE J.(1); WALTE A.(2)
    (1) University of Rostock, Dept. of Analytical Chemistry, Rostock, Germany; (2) Photonion GmbH, Schwerin, Germany
    Photo ionisation-time of flight mass spectrometry (PI-TOFMS) has been established for on-line analysis of complex gas mixtures. Cigarette smoke, e cigarette vapour and the vapour of tobacco heating products provide good examples for such complex gas...
  7. CORESTA Congress, Kunming, 2018, Smoke Science/Product Technology Groups, ST 45

    Time and spatially resolved in-situ temperature and pressure measurements with soft ionisation mass spectrometry inside a burning superslim cigarette. Part II – thermochemical mapping

    EHLERT S.(1,3); CUI Huapeng.(2); HEIDE J.(3); XIE Fuwei(2); DENG Nan(2); LIU Chuan(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.
    Superslim cigarettes are an increasingly popular category of cigarettes in China. Accurate measurements of key thermophysical and thermochemical parameters in superslim cigarettes is essential for mechanistic understanding of pyrolysis processes,...
  8. CORESTA Meeting, Smoke Science/Product Technology, 2017, Kitzbühel, ST 07 (also presented at TSRC 2017)

    Physical characteristics of handmade premium cigars: specifications and consequences of specifications

    TEILLET B.; VERRON T.; COLARD S.
    SEITA-Imperial Tobacco Limited, Fleury-les-Aubrais, France
    Handmade premium cigars consist of natural and heterogeneous leaves rolled by hand to a given dimension. This traditional making process is performed by people (rollers) with considerable experience and training. The rollers adapt their technique,...
  9. CORESTA Meeting, Smoke Science/Product Technology, 2017, Kitzbühel, ST 20

    Single and resonance enhanced multi photon ionization mass spectrometry for the investigation of product use behaviour of e-cigarettes and heat-not-burn products

    EHLERT S.(1,2); HEIDE J.(2); WALTE A.(1); ZIMMERMANN R.(2)
    (1) Photonion GmbH, Schwerin, Germany; (2) University of Rostock, Dept. of Analytical Chemistry, Rostock, Germany
    Over the last few years, e-cigarettes and other innovative smoking/vaping products have become more and more commonly used. Whereas most manufacturers increase the safety and reliability of their products, there are consumers modifying devices in an...
  10. CORESTA Meeting, Smoke Science/Product Technology, 2017, Kitzbühel, ST 22

    Estimation of e-cigarette aerosol yields based on puff duration

    JULIEN R.(1); TSCHIERSKE N.(2); VARIGNON B.(1); TROUDE V.(1); DESTRUHAUT S.(1); WALELE T.(3); COLARD S.(1); CAHOURS X.(1)
    (1) SEITA-Imperial Tobacco Limited, Fleury-les-Aubrais, France; (2) Reemtsma Cigarettenfabriken GmbH (an Imperial Brands PLC Company), Hamburg, Germany; (3) Fontem Ventures B.V. (an Imperial Brands PLC Company), Amsterdam, The Netherlands
    There are regulatory requirements in quantifying and comparing the emission levels of major and minor aerosol constituents from e-cigarettes. Up until the recent publication in 2015 of CORESTA Recommended Method (CRM) No. 81 - "Routine Analytical...