Help

Search Results

78 results

  1. Tobacco Science & Technology, 2010, 10, p. 27-33., ISSN.1002-0861

    Comparison of deliveries of major phenolic compounds in mainstream cigarette smoke at different smoking regimes

    LI ZHONG-HAO;TANG GANG-LING; ZHANG HONG-FEI; PANG YONG-QIANG; JIANG XING-YI; CHEN HUAN; HU QING-YUAN
    China National Tobacco Quality Supervision & Test Center, Zhengzhou 450001, P.R. China
    In order to investigate the influence of smoking regime on deliveries of major phenolic compounds in mainstream cigarette smoke, a method for rapidly determining the catechol, hydroquinone, resorcinol, phenol, o-cresol, p+m-cresol in mainstream...
  2. Tobacco Science & Technology, 2010, 10, p. 37-40., ISSN.1002-0861

    Determination of phosphate content in tobacco with continuous flow method

    ZHANG WEI(1); WANG YING(1); YU RUI-GUO(2); TANG GANG-LING(1); XU RU-YAN(3); BO YUN-CHUAN(3); LI RONG(2)
    1. China National Tobacco Quality Supervision & Test Center, Zhengzhou 450001, P.R. China; 2. Guangzhou MilliM Herbal Extract Technology & Development Inc., Guangzhou 510663, P.R. China; 3. Xuzhou Cigarette Factory, China Tobacco Jiangsu Industrial Corporation, Xuzhou 221005, Jiangsu, P.R. China
    A continuous flow method for determining the phosphate content in tobacco was developed. The tobacco samples were extracted with deionized water, using ammonium molybdate and ascorbic acid solution as a colorific agent and potassium antimony tartrate...
  3. Tobacco Science & Technology, 2010, 10, p. 41-43., ISSN.1002-0861

    Determination of acetamiprid and imidacloprid residues in tobacco by UPLC-MS/MS

    WANG JUN(1); ZHONG QING(2); GUO ZHONG-CHENG(2); GUAN YAN-QU(2)
    1. Shandong Provincial Institute of Product Quality Supervision & Inspection, Jinan 250100, P.R. China; 2.Technology Center of China Tobacco Shandong Industrial Corporation, Jinan 250013, P.R. China
    The residues of acetamiprid and imidacloprid in 31 tobacco samples were determined. The tobacco sample was extracted with acetic acid-acetonitrile, then cleaned up with matrix solid-phase dispersion extraction, and detected by UPLC- MS/MS. The...
  4. Tobacco Science & Technology, 2010, 10, p. 44-47., ISSN.1002-0861

    Correlation between some chemical components in flue-cured tobacco leaf and its equilibrium moisture content

    LI HONG-LI(1,2); ZHU LI-JUN(1); WANG PENG(2); LAN ZHONG-YU(2); DAI YING-XUE(1,2); YANG JUN(1)
    1. Research Center of Tobacco and Health, University of Science and Technology of China, Hefei 230052, P.R. China; 2. Chongqing Tobacco Industrial Co. Ltd., Chongqing 400060, P.R. China
    In order to investigate the correlation between equilibrium moisture content and some chemical components in flue-cured tobacco leaves, the chemical components in 50 representative samples of flue-cured tobacco leaf from different areas and their...
  5. Tobacco Science & Technology, 2010, 10, p. 48-51., ISSN.1002-0861

    Grey incidence analysis on major appearance traits and smoking quality of flue-cured tobacco

    WEI CHUN-YANG(1); LUO ZHAO-PENG(1); LI FENG(1); LI WEI-GUAN(2); YANG MING-FENG(3); LIANG BAO-DE(4); WANG XIN-MIN(1); SONG JI-ZHEN(1)
    1. Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P.R. China; 2. Xiangcheng Branch of Xuchang Tobacco Company, Xiangcheng 461700, Henan, P.R. China; 3. Technology Center of China Tobacco Shandong Industrial Corporation, Qingdao 266101, Shandong, P.R. China
    Based on the evaluation data of appearance and smoking quality of flue-cured tobacco samples from main tobacco growing areas in China from 2004 to 2007, grey incidence analysis was performed. The results showed that for upper leaves, color intensity,...
  6. Tobacco Science & Technology, 2010, 10, p. 5-7., ISSN.1002-0861

    Application of process capability analysis in evaluation of casing uniformity

    LIU ZE-CHUN(1); HUANG HUA-FA(1); HONG WEI-LING(1); ZHANG DA-BO(2)
    1. Technology Center, China Tobacco Fujian Industrial Corporation, Xiamen 361022, Fujian, P.R. China; 2. Key Laboratory of Tobacco Processing Technology, Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P.R. China
    In order to quantitatively evaluate the casing uniformity in primary processing, the content of 1,2-propylene glycol in cased tobacco was determined by gas chromatography, the data were analyzed based on the statistical methods in statistical process...
  7. Tobacco Science & Technology, 2010, 10, p. 52-55., ISSN.1002-0861

    Flue-cured tobacco curing

    ZHANG JI-LI(1,3); LI ZHANG-HAI(1); LI YU-XIANG(2); ZHANG XI-ZHONG(2); LUO HONG-XIANG(2); ZHAO SHENG-LI(1); ZHOU HUI-LING(1)
    1. Research Centre of Tobacco and Health, University of Science and Technology of China, Hefei 230051, P.R. China; 2. Tobacco Company of Qiannan Prefecture, Duyun 558000, Guizhou, P.R. China; 3. Anhui Agriculture University, Hefei 230036, P.R. China
    The effects of molybdenum application on the AsA content and PPO activity in tobacco leaf during early curing stage and the grade of cured leaf were investigated with field experiments, tobacco of cv.K326, Yunyan85, CB-1 and Honghuadajinyuan...
  8. Tobacco Science & Technology, 2010, 10, p. 56-59., ISSN.1002-0861

    Correlation between browning degree of and chemical components in aged leaf

    WANG HAO-JUN(1); YAO ZHONG-DA(1); WU KE-SONG(1); DU CONG-ZHONG(1); ZHOU CHU-YUE(1); GUO DONG-FENG(1); WANG SHU-SHENG(2)
    1. Technology Center, China Tobacco Anhui Industrial Corporation, Hefei 230088, P.R. China; 2. Tobacco Research Institute of CAAS, Qingdao 266101, Shandong, P.R. China
    To make clear the factors affecting the browning and the change of chemical components in aged tobacco leaf, the contents of pigments, polyphenol, potassium, chloride, reducing sugar, and starch in and pH value of tobacco leaf during aging were...
  9. Tobacco Science & Technology, 2010, 10, p. 60-64., ISSN.1002-0861

    Penetration, retention and dissipation of phosphine under different fumigation methods

    SHEN MIAO(1); WU YUN-PING(2); WANG ZHENG-GANG(2); LI MING(2); GAO ZHENG-SHENG(2); CHENG XIN-SHENG(1)
    1. Research Center of Tobacco and Health, University of Science and Technology of China, Hefei 230051, P.R. China; 2. China Tobacco Anhui Industrial Corporation, Hefei 230088, P.R. China
    Two fumigation methods: in a sealed warehouse (Method I) and in a sealed plastic tent (Method II) were compared. The phosphine (PH3) concentration in the fumigation environment and tobacco case was determined. Combining with the relative indexes of...