Search Results

401 results

  1. CORESTA Meeting, Agronomy/Phytopathology, 2019, Victoria Falls, AP 14

    Field tests of loss-of-function tobacco lines of eIF(iso)4E for resistance to tobacco bushy top disease and agronomic traits

    KOGA K.(1); SHINJO A.(1); MAINJENI C.E.D.(2); MSANGOSOKO K.R.(2); UDAGAWA H.(1); TAKAKURA Y.(1)
    (1) Japan Tobacco Inc., Leaf Tobacco Research Center, Oyama, Tochigi, Japan; (2) Agricultural Research and Extension Trust, Department of Research and Technical Services, Lilongwe, Malawi
    Tobacco bushy top disease (TBTD) is one of the serious diseases affecting tobacco (Nicotiana tabacum L.) production in African countries such as Malawi, Zambia, Tanzania and Ethiopia. This disease is caused by a mixed infection of tobacco bushy top...
  2. CORESTA Meeting, Agronomy/Phytopathology, 2019, Victoria Falls, APPOST 05

    Influence of disease resistance on the yield and quality in Burley tobacco

    NAKAMURA T.; TAKEMATSU T.; IWAI Y.
    Japan Tobacco Inc., Leaf Tobacco Research Center, Oyama, Tochigi, Japan
    Tobacco breeders recognise empirically that introduction of certain disease resistance is accompanied by negative effects on agronomic traits such as decrease in yield and quality. Only a few studies have quantitatively clarified the negative effects...
  3. CORESTA Meeting, Smoke Science/Product Technology, 2019, Hamburg, ST 21

    A model based on cigarette density segmentation method for predicting burning cone drop rate of slim cigarettes

    TAN Chao; WANG Shitai; JIN Yong; CHEN Qian; TAN Haifeng; LI Ke; FAN Hongmei; LIU Qi; LI Rui; YU Saibo
    China Tobacco Hunan Industrial Co., Ltd. of CNTC, Hunan, P.R. China
    Burning cone drop is a potential safety problem and quality defect for slim cigarettes. In order to conveniently monitor the burning cone drop rate, a model based on cigarette density segmentation method was established and used for predicting the...
  4. CORESTA Meeting, Smoke Science/Product Technology, 2019, Hamburg, STPOST 02

    Electro-thermal simulation analysis of heaters in tobacco heating devices

    SUN Zhiwei(1); WANG Wei(1); DU Wen(1); WEN Jianhui(1); XIE Guoyong(1); WANG Zhiguo(1); DAI Hongliang(2)
    (1) China Tobacco Hunan Industrial Co., Ltd., Changsha, P.R. China; (2) College of Mechanical and Vehicle Engineering, Hunan University, Changsha, P.R. China
    Heat-not-burn tobacco products have gradually become an important development direction and a key research topic of tobacco products due to their remarkable advantages in reducing the release of harmful components. As a heat source for cigarette...
  5. CORESTA Meeting, Smoke Science/Product Technology, 2019, Hamburg, STPOST 11 (also presented at TSRC 2019)

    Simultaneous determination analysis of glycerol, propylene glycol, nicotine, menthol and water by discharge ionisation detector on gas chromatography

    SHIMAZU A.; OMORI F.
    Japan Tobacco Inc., Product Quality Research Center, Tokyo, Japan
    CORESTA developed a recommended method (CRM 84) for determination of Glycerin (G), Propylene Glycol (PG), nicotine and water in the aerosol of e-cigarettes by gas chromatography (GC) with flame ionisation detector (FID) and thermal conductivity...
  6. CORESTA Meeting, Smoke Science/Product Technology, 2019, Hamburg, STPOST 39

    Risk assessment of a novel tobacco vapour product using ToxTracker® assay and high content screening in vitro

    MUNAKATA S.; ERAMI K.; HASHIZUME T.
    Japan Tobacco Inc., R&D Group, Scientific Product Assessment Center, Yokohama, Kanagawa, Japan
    A novel tobacco vapour product (NTV) showed its lower genotoxic and cytotoxic potentials in the in vitro bacterial reverse mutation assay, micronucleus assay, and neutral red uptake assay compared with a combustible tobacco product. This study aimed...
  7. CORESTA Meeting, Smoke Science/Product Technology, 2019, Hamburg, STPOST 48

    Comparative study of Salmonella typhimurium tester strains TA1537, TA97 and TA97a in mutagenicity evaluation of tobacco products

    SAKAI Y.; ISHII T.; TAKAHASHI Y.; HASHIZUME T.; FUKUSHIMA T.
    Japan Tobacco Inc., Scientific Product Assessment Center, R&D Group, Yokohama, Kanagawa, Japan
    The Ames test has been conducted to examine the mutagenicity of tobacco products and to compare relative mutagenicity of cigarette smoke. The OECD TG 471 states that at least five tester strains should be used for the Ames test, and Salmonella...