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69 results

  1. Tobacco Science & Technology, 2011, 7, p. 69-75., ISSN.1002-0861

    Effects of intensified UV-B radiation on main aroma precursors and chemical components in flue-cured tobacco

    LI PENG-FEI(1,2); ZHOU JI-HENG(2); LUO HUA-YUAN(3); ZHANG JIAN-PING(4); HUANG YONG(2); TANG LANG-TAO(1); CHEN CHU(3); KONG NING-CHUAN(1)
    1. Yunnan Reascend Tobacco Technology (Group) Co., Ltd., Kunming 650106, P.R. China; 2. Key Lab of Tobacco Science & Health of Hunan Agricultural University, Changsha 410128, P.R. China; 3. Procurement Center of Hongyun Honghe Tobacco (Group) Co., Ltd., Kunming 650202, P.R. China; 4. Technology Center of Shanghai Tobacco (Group) Corporation, Shanghai 200082, P.R. China
    In order to investigate the reasons for the formation of aroma style of quality tobacco leaf and the accumulation of aroma components in flue-cured tobacco, the contents of aroma precursors, including plastid pigments (chlorophyll, lutein,...
  2. 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...
  3. 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...
  4. 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...
  5. 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,...
  6. 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...
  7. 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...
  8. CORESTA Meeting, Agronomy/Phytopathology, Rovinj, 2009, AP 23

    Uncultivated bacterial diversity and phylogenetic analysis in flue-cured tobacco

    DUAN Yanqing; WU Yi; ZENG Xiaoying; ZHE Wei; GONG Xiaowei; YANG Jinkui; LI Qinhua
    Technology Center of Hongyun Honghe Tobacco (Group) Co, Ltd., Kunming, China
    There are lots of uncultivated bacteria in flue-cured tobacco, the species and roles of these bacteria in aging process of tobacco are unknown. Bacterial diversity of the flue-cured tobacco K326 (C3F) was studied using the culture-independent method...
  9. TSRC, Tob. Sci. Res. Conf., 2009, 63, abstr. 70

    Characterization of a novel nicotine-degrading Bacterium Rhodococcus sp. Y22 and its metabolic pathway

    DUAN YANQING; ZENG XIAOYING; ZHE WEI
    Technology Center, Hongyun Honghe Tobacco Co., LTD., Kunming, China
    A novel nicotine- degrading bacterium, strain Y22, was isolated from tobacco plantation soil and identified as Rhodococcus sp. based on 16S rDNA sequence and on morphological and biochemical features. The isolate could utilize nicotine as sole...