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58 results

  1. Tobacco Science & Technology, 2012, 8, p. 54-59, 65, ISSN.1002-0861

    Correlation analysis between nicotine content and medium and trace element contents in flue-cured tobacco leaves from different stalk positions

    CHEN Wei(1); TANG Yuanju(1); PAN Wenjie(1); LI Zhiyong(*2)
    (1) Guizhou Tobacco Research Institute, Guiyang 550081, P.R. China; (2) Guizhou Provincial Tobacco Company, Guiyang 550003, P.R. China
    The relationships between nicotine content and the contents of medium and trace elements in flue-cured tobacco leaves from different stalk positions were analyzed with descriptive statistics analysis, stepwise regression analysis and path analysis....
  2. CORESTA Meeting, Agronomy/Phytopathology, 2011, Santiago, APOST 05

    Cloning and gene structure analysis of T-psy1 from flue-cured tobacco

    CAI Liuti(1); HU Zhongyi(1); LEI Lu(1); LI Jixin(2)
    (1) Guizhou Tobacco Research Institute, Guizhou Provincial Tobacco Company, Guiyang, P.R China; (2) Guizhou Provincial Tobacco Company, Guiyang, P.R China
    Carotenoid is an important precursor of tobacco aroma, and phytoene synthase is one of the key enzymes in the pathway of aroma precursors biosynthesis and accumulation in tobacco. Based on the homology cloning method, the cDNA and DNA sequence of the...
  3. CORESTA Meeting, Agronomy/Phytopathology, 2011, Santiago, APOST 07

    Comparative transcriptome of tobacco leaves in typical ecological areas of Guizhou

    LEI Bo(1); PAN Wenjie(1); DING Fuzhang(1); ZHANG Kai(2); LI Jinxin(3); LU Ku(2)
    (1) Guizhou Tobacco Research Institute, Guiyang, P.R China; (2) College of Agronomy and Biotechnology, Southwest University, Chongqing, P.R China; (3) Guizhou Provincial Tobacco Company, Guiyang, P.R China
    Flue-cured tobacco (Nicotiana tabacum) is a sensitive crop to ecological environment, and distinctive tobacco has always formed under special ecological conditions. In order to investigate the molecular mechanism of formation of medium and light...
  4. Tobacco Science & Technology, 2011, 2, p. 58-63., ISSN.1002-0861

    Cloning and sequence analysis of T-psy1 gene from flue-cured tobacco

    CAI LIU-TI(1); JIANG GUANG-HUA(2); LEI BO(1); HU ZHONG-YI(1)
    1 .Guizhou Tobacco Research Institute, Guiyang 550018, P.R. China; 2. Guizhou Provincial Tobacco Company, Guiyang 550003, P.R. China
    Adopting a homology cloning method, the full length cDNA sequence of tobacco phytoene synthase gene (named T-psy1) was cloned from flue-cured tobacco cv. K326, the T-psy1 gene GenBank accession number HM345582, included 1521bp, with coding protein...
  5. Tobacco Science & Technology, 2010, 6, p. 32-35., ISSN.1002-0861

    Online detection and control of strips density variation in case

    LI GUO(1); DU XIAN-WEI(2); YU JING-RAO(2); XU JI-HUA(2); LI JIAN(3); LI JIE(3)
    1. Guizhou Tobacco Company, Guiyang 550003, P.R. China; 2. Fanjingshan Tobacco Redrying Co., Ltd., Tongren 554300, Guizhou, P.R. China
    The traditional method for determining the strips’ density variation ratio (DVR) in case is a manual and destructive operation, and unable to correct excessive DVR in case during tobacco processing. Therefore, an online automatic detection and...
  6. Beitr. Tabakforsch. Int./Contrib. Tob. Research, 2009, 23-5, p. 277-333., ISSN.0173-783X

    The chemical components identified in tobacco and tobacco smoke prior to 1954: a chronology of classical chemistry

    RODGMAN A.; PERFETTI T.A.
    Alan RODGMAN, 2828 Birchwood Drive, Winston-Salem, North Carolina, 27103-3410, USA
    Because of the excellent fractionation and identification technologies developed during the early-1950s, the compositions of tobacco and tobacco smoke, both classified as highly complex mixtures, have been defined more completely than the composition...
  7. Beitr. Tabakforsch. Int./Contrib. Tob. Research, 2009, 23-6, p. 384-410., ISSN.0173-783X

    The composition of cigarette smoke. An historical perspective of several polycyclic aromatic hydrocarbons

    RODGMAN A.; COOK L.C.
    Alan RODGMAN, 2828 Birchwood Drive, Winston-Salem, North Carolina, 27103-3410, USA
    Because of the significant advancements in fractionation, analytical, and characterization technologies since the early 1960s, hundreds of components of complex mixtures have been accurately characterized without the necessity of actually isolating...
  8. Beitr. Tabakforsch. Int./Contrib. Tob. Research, 2006, 22-1, p. 13-69., ISSN.0173-783X

    The composition of cigarette smoke: a catalogue of the polycyclic aromatic hydrocarbons

    RODGMAN A.; PERFETTI T.A.
    Alan RODGMAN, 2828 Birchwood Drive, Winston-Salem, North Carolina, 27103-3410, USA
    Classified as toxicants in many of the substances to which humans are exposed are the polycyclic aromatic hydrocarbons (PAHs). Such exposures include air pollutants from a variety of sources, foodstuffs and beverages, and tobacco smoke. Since the...
  9. Beitr. Tabakforsch. Int./Contrib. Tob. Research, 2004, 21-2, p. 49-104., ISSN.0173-783X

    Some studies of the effects of additives on cigarette mainstream smoke properties. III. Ingredientsreportedly used in various commercial cigarette products in the USA and elsewhere

    RODGMAN A.
    Alan RODGMAN, 2828 Birchwood Drive, Winston-Salem, North Carolina, 27103-3410, USA
    In the mid-1980s, each major US cigarette manufacturer prepared a list of those ingredients added at that time to its cigarette products. The lists were combined into one and submitted to the US Office of Smoking and Health in 1986. It comprised 599...