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29 results

  1. CORESTA Meeting, Smoke Science/Product Technology, 2013, Seville, STPOST 07

    Smoking puff ratio of cigarettes and its determination method

    WANG Zhiguo(1); ZHANG Xiaobing(2); LIU Wei(1); PENG Bin(2); DU Wen(1); ZHONG Kejun(1); LIU Huimin(2)
    (1) China Tobacco Hunan Industrial Co., Ltd., Technology Center and Changsha Cigarette Factory, Changsha, Hunan, P.R. China; (2) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, Henan, P.R. China
    The ratio between cut tobacco burned at puffing stage and cut tobacco burned during the whole smoking process of a cigarette was defined as smoking puff ratio (SPR), and a method for determining the SPR of a cigarette was proposed. Cigarettes were smoked ...
  2. CORESTA Meeting, Agronomy/Phytopathology, 2011, Santiago, AP 03

    Lowering TSNAs through nitrite reductase activity

    DAVENPORT S.E.; FORSYTH K.; TULLY L.; LISTER R.; LE LAY P.; MAUNDERS M.; SANCHEZ-TAMBURRINO J.P.
    Advanced Technologies Ltd., Cambridge, UK (holding of British American Tobacco Ltd.)
    Tobacco specific nitrosamines (TSNAs) are compounds in tobacco that have been shown to be carcinogenic. TSNAs are formed by the nitrosation of tobacco alkaloids with the main nitrosating agent believed to be nitrite. High levels of nitrate accumulation ...
  3. CORESTA Meeting, Agronomy/Phytopathology, 2011, Santiago, AP 27

    Tobacco Biotechnology: a tool for business solutions

    SANCHEZ-TAMBURRINO J.P.; EDWARDS K.; JONES L.; DAVENPORT S.E.
    Advanced Technologies Ltd., Cambridge, UK (holding of British American Tobacco Ltd.)
    Over the past 20 years, genetic modification and molecular breeding has been successfully used in many different crops to provide agronomic advantages (i.e., herbicide resistance, insect tolerance). However there are many other areas where it can be used ...
  4. CORESTA Congress, Shanghai, 2008, SSPTPOST 11

    Use of an EpiOralTM human tissue model for testing of substances for oral irritancy in vitro

    JAI T.S.; DELVES S.J.; FAUX S.P.; KUMARAVEL T.S.; NEILSON L.R.; MEREDITH C.
    Advanced Technologies Ltd., Cambridge, UK
    The EpiOralTM tissue model consists of normal human keratinocytes differentiated to form a multilayered tissue. The phenotype is analogous to human oral epithelium in vivo providing the opportunity for in vitro irritancy testing on human tissue. This ...