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10 results

  1. CORESTA Congress, Edinburgh, 2010, AP 16

    Isolation, identification and characterization of a nicotine-degrading bacterium Acinetobacter sp. ND12

    DUAN Yanqing; ZENG Xiaoying; LI Hongjuan; ZHE Wei; WANG Mingfeng; YANG Jinkui
    Technology Center of Hongyun Honghe Tobacco (Group) Co, Ltd., Kunming, China
    A novel bacterium, strain ND12, was newly isolated from the tobacco plantation soil and identified as Acinetobacter sp. ND12 based on morphology, physiological tests, 16S rRNA sequence and phylogenetic analysis. The isolate could utilize nicotine as the ...
  2. TSRC, Tob. Sci. Res. Conf., 2010, 64, abstr. 11

    Application of carbon fiber microelectrodes for measurement of kinetic constants of nitric oxide decay in blood

    ZWEIER J.L.; XIAOPING LIU; EL-SHERBINY G.A.
    Ohio State University, Center for Environmental and Smoking Induced Diseases, Davis Heart and Lung Research Inst., Columbus, OH, USA
    Endogenous nitric oxide (NO) is a potent vasodilator that regulates vascular tone. There is evidence that cigarette smoking increases superoxide production in blood vessels by rapidly inactivating NO. This impaired NO bioavailability is a critical cause ...
  3. TSRC, Tob. Sci. Res. Conf., 2010, 64, abstr. 39

    Identification of differentially expressed proteins in blood plasma of control and cigarette smoke-exposed mice by 2-d differential in-gel electrophoresis/mass spectrometry

    ZWEIER T.L.; TEWARI A.K.
    Ohio State University, Center for Environmental and Smoking Induced Diseases, Davis Heart and Lung Research Inst., Columbus, OH, USA
    Cigarette smoke exposure is known to induce chronic obstructive pulmonary disease, atherosclerosis, and several types of cancer in humans and also in animal models. Smoking leads to oxidative stress and inflammation that are important in triggering ...
  4. TSRC, Tob. Sci. Res. Conf., 2010, 64, abstr. 51

    Chronic cigarette smoke exposure induces vascular dysfunction through upregulation of cytoglobin in mouse aorta

    EL-MAHDY M.A.; EL-SHERBINY G.A.; ABDELGHANY T.M.; ZWEIER J.L.
    Ohio State University, Center for Environmental and Smoking Induced Diseases, Davis Heart and Lung Research Inst., Columbus, OH, USA
    Cigarette smoking is a risk factor for cardiovascular disease. The relationship between smoking and cardiovascular disease results from multiple mechanisms that interact to contribute to several pathological conditions, including vascular dysfunction. In ...
  5. TSRC, Tob. Sci. Res. Conf., 2010, 64, abstr. 52

    Chronic cigarette smoke exposure impairs vascular endothelial function through a tetrahydrobiopterin-dependent mechanism

    ABDELGHANY T.M.; EL-SHERBINY G.A.; EL-MAHDY M.A.; ZWEIER J.L.
    Ohio State University, Center for Environmental and Smoking Induced Diseases, Davis Heart and Lung Research Institute, Columbus, OH, USA
    Cigarette smoke exposure (CSE) is one of the major risk factors of cardiovascular disease. Although tobacco smoking is associated with the onset of atherosclerosis, coronary disease, and ischemic heart disease, the precise mechanism by which these ...
  6. Tobacco Science & Technology, 2010, 12, p. 36-39., ISSN.1002-0861

    Residue of butralin in tobacco and its transfer rate into tobacco smoke

    LUO HUA-YUAN(1); WANG SHAO-KUN(1); DONG SHI-FEI(1,2); PENG MAN-JIANG(1); ZHANG JUN-SONG(2)
    1. Hongyun Honghe Tobacco (Group) Co., Ltd., Kunming 650202, P.R. China; 2. School of Food and Bioengineering, Zhengzhou Institute of Light Industry, Zhengzhou 450002, P.R. China
    In order to determine the residue of butralin in tobacco and its transfer rate into smoke, a method for determining butralin with GC-MS/MS is developed. The butralin in sample was extracted with acetonitrile saturated by n-hexane, purified by graphite ...
  7. Tobacco Science & Technology, 2010, 7, p. 26-28., ISSN.1002-0861

    Influences of low-temperature treated cut filler on moisture and CO contents in cigarette smoke

    XU AN-CHUAN; WANG CHAO; HU WEI-YAO
    Technology Center of Hongyun Honghe Tobacco (Group) Co., Ltd., Kunming 650202, P.R. China
    To study the effects of low temperature treatment of cut filler on the contents of moisture and CO in mainstream cigarette smoke, the cut filler leaving the flavoring cylinder was directly kept under low temperature of-5,-10,-15 and-20 °C for 10, 20 and ...
  8. Tobacco Science & Technology, 2010, 7, p. 43-47., ISSN.1002-0861

    Factor analysis and stepwise discriminant analysis of chemical data of blended tobacco

    ZENG XIAO-YING(1); LI QING-HUA(1,2); WANG YU(3); WANG BAO-XING(3); HOU YING(3); XU GUO-WANG(2)
    1. Technology Centre of Hongyun Honghe Tobacco (Group) Co., Ltd., Kunming 650202, P.R. China; 2. Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, Liaoning, P.R. China3. Yunnan Reascend Tobacco Technology (Group) Co., Ltd., Kunming 650106, P.R. China
    In order to find out the main chemical data influencing the smoking quality of blended tobacco, factor analysis and stepwise discriminant analysis were carried out on the basis of the test data of 16 chemical components in 3 modular tobacco blends, ...
  9. Tobacco Science & Technology, 2010, 8, p. 10-17., ISSN.1002-0861

    Design of cigarette blend based on analysis of volatile components in tobacco leaf

    YANG LEI(1,2); YANG QING(2); LI YONG(2)
    1. Zhengzhou University of Light Industry, Zhengzhou 450002, P.R. China; 2. Honghe Branch, Technology Center, Hongyun Honghe Tobacco Group, Mile 652300, Yunnan, P.R. China
    In order to improve cigarette quality, the volatile components in tobacco leaves of different varieties, grades, growing years and areas and cut tobacco of 3 modules making up blend A of Honghe brand series were analyzed with GC/MS. Based on the analysis ...
  10. Tobacco Science & Technology, 2010, 8, p. 61-64., ISSN.1002-0861

    Improvement of flue-cured tobacco quality with Bacillus pumilus

    HUANG JING-WEN(1); DUAN YAN-QING(2); ZHE WEI(2); WANG MING-FENG(2); ZHANG KE-QIN(1); YANG JIN-KUI(1)
    1. Laboratory for Conservation and Utilization of Bio-resources, Yunnan University, Kunming 650091, P.R. China; 2. Technology Centre, Hongyun Honghe Tobacco (Group) Co., Ltd., Kunming 650202, P.R. China
    A strain of Bacillus pumilus, Van35, was isolated and screened from the surface of flue-cured tobacco leaves, the microbial agent prepared from it was sprayed on cut tobacco. The treated cut tobacco was fermented at 45 °C and relative humidity 60% for 21 ...