Search Results

35 results

  1. CORESTA Congress, Kunming, 2018, Agronomy/Phytopathology Groups, APPOST 30

    Nicotine reduction and consumer perception: a scientific approach for quantifying possible impact of low nicotine cigarettes on consumer behaviour

    GUO Mengran(1); VERRON T.(1); DORLHAC de BORNE F.(2); PRITCHARD J.(3); COLARD S.(1)
    (1) SEITA - Imperial Brands plc, Paris, France; (2) Imperial Tobacco Limited, Leaf Research, Bergerac, France; (3) Imperial Brands, Bristol, U.K.
    In 2015, the WHO Study Group on Tobacco Product Regulation (TobReg) issued an advisory note recommending a strategy to reduce nicotine in tobacco to levels which would not be sufficient to lead to the development and/or maintenance of addiction. In the US ...
  2. CORESTA Congress, Kunming, 2018, Smoke Science/Product Technology Groups, ST 60

    Assessing changes in biomarkers of effect in smokers who switch to a closed system electronic cigarette

    MASON L.; CAHOURS X.; O'CONNELL G.; WALELE T.
    Imperial Brands, Bristol, U.K.
    Previous studies have demonstrated that when smokers switch to an electronic cigarette, they are exposed to significantly lower levels of carcinogens and toxicants. As a result, there is a reported significant reduction in biomarkers of exposure to levels ...
  3. CORESTA Congress, Kunming, 2018, Smoke Science/Product Technology Groups, STPOST 39

    The use of high content screening (HCS) in human primary lung cells to assess e-liquids of differing flavors and nicotine concentrations

    SIMMS L.(1); CZEKALA L.(1); STEVENSON M.(1); PHILLIPS G.(1); WALELE T.(2)
    (1) Imperial Brands, Bristol, U.K.; (2) Fontem Ventures, Amsterdam, The Netherlands
    Due to the current scientific debate and evolving regulatory landscape, new assays are needed to quickly determine the subtle biological response of e-liquids for both stewardship and product development purposes. For stewardship, all ingredients in the e ...
  4. CORESTA Meeting, Agronomy/Phytopathology, 2013, Brufa di Torgiano, AP 15

    Field control efficacy of bio-organic fertiliser fermented with antagonists to tobacco bacterial wilt and its biocontrol mechanisms

    LIU Yanxia; LI Xiang; CAI Liuti; CAO Yi; SHI Junxiong
    Guizhou Tobacco Institute, Jinyang District, Guiyang, P.R. China
    An organic fertiliser made of rapeseed meal and dairy manure with proportion of 1:1 (w:w) was then solid fermented by two antagonists, making it bio-organic fertilizer (BOF). Field experiments were conducted in Anhui Province for two years to investigate ...
  5. CORESTA Congress, Sapporo, 2012, Agronomy/Phytopathology Groups, APPOST 09

    Cloning and bioinformatic analysis of orange protein (OR) gene from Nicotiana tabacum

    LEI Bo(1); LU Kun(2); DING Fu-zhang(1); LIU Xiao-rong(2); HU Zhong-yi(1); PAN Wen-jie(1)
    (1) Guizhou Tobacco Science Research Institute, Guiyang, Guizhou, P.R. China; (2) College of Agronomy and Biothehnology of Southwest University, Chongqing, P.R. China
    Previous microarray results indicated that the orange protein (OR) gene in the carotenoid biosynthesis pathway showed significant differential expression in leaves between moderate and light aroma tobacco areas. In order to obtain the full-length sequence ...
  6. Tobacco Science & Technology, 2012, 1, p. 74-77., ISSN.1002-0861

    Effects of girdling on physical characters and smoking quality of flue-cured tobacco leaves

    YANG Chunyuan
    Guizhou Tobacco Science Research Institute/China Tobacco Southwest Agricultural Experiment Station, Guiyang 550081, P.R. China
    In order to improve cultivation practices and promote leaf quality, the stalk of tobacco plant was girdled after topping. The results showed that the girdling affected physical characters and smoking quality of flue-cured tobacco leaves greatly. The ...
  7. Tobacco Science & Technology, 2012, 10, p. 31-35, ISSN.1002-0861

    Comparison of main secondary metabolite contents in flue-cured tobacco leaves from different areas in Guizhou

    GENG Zhaoliang(1); FENG Yonggang(1); XIANG Zhangmin(1); ZHANG Jie(1); CAI Kai(1); ZHU Xianling(*2)
    (1) Guizhou Tobacco Research Institute, Guiyang 550081, P.R. China; (2) Research Center of Tobacco and Health, University of Science and Technology of China, Hefei 230051, P.R. China
    In order to compare the secondary metabolite contents in flue-cured leaves from different areas in Guizhou Province, the leaf samples of C3F and B2F grades of K326, Yunyan 85, Yunyan 87, Guiyan 1 and Guiyan 201 varieties were collected from Daozhen, ...
  8. Tobacco Science & Technology, 2012, 11, p. 74-78, ISSN.1002-0861

    Influences of arbuscular mycorrhizal fungi on phosphorus content in tobacco planting soil and nutrition absorption of flue-cured tobacco plants

    YAO Juan(1); WANG Maosheng(2); WANG Feng(*1,3); XU Dongqing(2)
    (1) Agricultural College of Guizhou University, Guiyang 550025, P.R. China; (2) Guizhou Tobacco Science Institute, Guiyang 550081, P.R. China; (3) Qianxinan Prefecture Tobacco Company of Guizhou Province, Xingyi 562400, Guizhou, P.R. China
    In order to study the mycorrhizal effects of mycorrhizal seedling after transplanting, three nitrogen (N) levels, 45, 67.5 and 90 kg/ha, were applied in field experiments and the effects of mycorrhizal seedlings on phosphorus (P) content in soil and N and ...