Search Results

111 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 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)....
  3. 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...
  4. 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,...
  5. 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...
  6. CORESTA Meeting, Smoke Science/Product Technology, 2017, Kitzbühel, ST 37

    Nicotine reduction: use of a modelling approach to evaluate unintended consequences, a focus on illicit trade

    GUO M.; VERRON T.; CAHOURS X.; COLARD S.
    SEITA-Imperial Tobacco Limited, Fleury-les-Aubrais, France
    In 2015, the WHO TobReg issued an advisory note recommending a strategy of reducing nicotine in tobacco to substantially lower levels. The authors considered that regulation of nicotine levels would lead to a decrease of smoking prevalence. In their...
  7. TSRC, Tob. Sci. Res. Conf., 2017, 71, abstr. 079 (also presented at CORESTA SSPT2017)

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

    TEILLET B.; VERRON T.; COLARD S.
    SEITA-Imperial Tobacco, 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,...
  8. CORESTA Congress, Berlin, 2016, Agronomy/Phytopathology Groups, AP 54

    The regulation of autophagy of susceptible Nicotiana tabacum under tobacco mosaic virus infection

    YANG Jinguang(1); LIU Xaingfu(1); LIU Wei(1); QIAN Yumei(1); ZHANG Jing(2); LI Wei(2); DONG Shifei(2); WANG Yaofeng(3); HUANG Mingdi(4); WANG Fenglong(1)
    (1) Tobacco Research Institute, Chinese Academy of Agricultural Sciences, Key Laboratory of Tobacco Pest Monitoring Controlling & Integrated Management, Qingdao, P.R. China; (2) Hongyun Honghe Tobacco (Group) Co., Ltd., Kunming, P.R. China; (3) Qingyang Branch of Gansu Province Tobacco Company, Xifeng, P.R. China; (4) Longnan Tobacco Company, Gansu Tobacco Cooperation, Wudu 746000, P.R. China
    Autophagy (or self-eating) is an important conserved process by which eukaryotic cells recycle intracellular components. This study was undertaken to elucidate whether tobacco mosaic virus (TMV) infection on tobacco plants induced autophagy. TMV-U1...
  9. CORESTA Congress, Berlin, 2016, Smoke Science/Product Technology Groups (Workshop), STW 02

    Implications of product testing: method variability and suitability and ratio of smoke emissions to nicotine

    INTORP M.
    (1) Reemtsma Cigarettenfabriken GmbH (an Imperial Brands PLC Company), Hamburg, Germany; (2) SEITA-Imperial Tobacco, Fleury-les-Aubrais, France
    Regulatory authorities are discussing the measurement of certain smoke constituents, and this may eventually lead to discussion of ceilings. For this purpose internationally standardised methods are required to enable the generation of reliable data....
  10. CORESTA Congress, Berlin, 2016, Smoke Science/Product Technology Groups, ST 19

    Smoke analysis of fine-cut tobacco (Part 3) – Physical characterisation of fine-cut smoking articles and their variability

    TEILLET B.(1); DESTRUHAUT S.(1); CHAVES L.(2)
    (1) SEITA-Imperial Tobacco, Fleury-les-Aubrais, France; (2) Reemtsma Cigarettenfabriken GmbH (an Imperial Brands PLC Company), Hamburg, Germany
    There is current regulatory interest in emissions from fine-cut tobacco. Various approaches exist for measuring emissions from fine-cut tobacco, such as ISO Standard 15592, and some countries have established their own specific methods (e.g. Canada...