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78 results

  1. Tobacco Science & Technology, 2010, 11, p. 15-17., ISSN.1002-0861

    Effects of aging time on physical characteristics of microwave expanded stem

    LI JUN(1); ZI WEN-HUA(1,2); SONG LIAN-YING(1); CHEN WAN(1); LIU JIAN(1); YI ZHI-MIN(1)
    1. Yunnan Reascend Tobacco Technology (Group) Co., Ltd., Kunming 650106, P.R. China; 2. Faculty of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming 650093, P.R. China
    For investigating the effects of aging time on the main physical characteristics of microwave expanded stem during processing, the changes of moisture content, variation rate of volume during moistening, filling value and yield of expanded stem with...
  2. Tobacco Science & Technology, 2010, 11, p. 32-35., ISSN.1002-0861

    Effects of permeability of tipping paper and pressure drop of filter rod on cytotoxicity of cigarette smoke

    LI XIANG; SHANG PING-PING; ZHAO LE; PENG BIN; NIE CONG
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P.R. China
    The cytotoxicity of smoke condensate (SC) of cigarettes with tipping paper of different permeability and filter rods of different pressure drop was tested by neutral red uptake assay, and the correlation between cytotoxicity of cigarette smoke and...
  3. Tobacco Science & Technology, 2010, 11, p. 36-39., ISSN.1002-0861

    Parameter optimization for determining pH values of total particulate matter of mainstream cigarette smoke with response surface analysis

    LIN WEN-QIANG(1,2); CHENG CHUAN-LING(1); DONG WEI(1,2); MAO DUO-BIN(1)
    1. School of Food and Biological Engineering, Zhengzhou University of Light Industry, Zhengzhou 450002, P.R. China; 2. R & D Center of Hongta Tobacco (Group) Co., Ltd., Yuxi 653100, Yunnan, P.R. China
    In order to accurately determine the pH values of total particulate matter (TPM) in mainstream cigarette smoke, the absolute value of relative mean error was used as an assessment index, 4 factors, including extract solvent volume, oscillation...
  4. Tobacco Science & Technology, 2010, 11, p. 40-42., ISSN.1002-0861

    Differences of nitrogen oxides in mainstream smoke between [Chinese] domestic and imported cigarettes

    ZHU LI-JUN(1,2); DAI YA(2); PENG ZHONG(2); TAN LAN-LAN(2); LIU SHAO-MIN(1)
    1. Research Center of Tobacco and Health, University of Science and Technology of China, Hefei 230052, P.R. China; 2. Technology Research & Development Center, China Tobacco Chuanyu Industrial Corporation, Chengdu 610066, P.R. China
    The nitrogen oxides (NOX) in mainstream smoke of 192 domestic and imported cigarette samples were determined with chemiluminescence method, and the statistical difference of NOX deliveries of cigarettes was analyzed. The results showed that: 1) The...
  5. Tobacco Science & Technology, 2010, 11, p. 43-46., ISSN.1002-0861

    Comparison of test conditions for pH values of aqueous infusion of tobacco

    ZHANG YOU-MAO; SHEN GUANG-LIN; MA LI-NA; ZHANG XIN-YING; CHENG ZHI-YING
    Technology Center, China Tobacco Guangdong Industrial Co., Ltd., Guangzhou 510145, P.R. China
    To accurately determine the pH value of aqueous infusion of tobacco, the effects of sample volume, test temperature, test time, filtration and solution status on the determined pH values of aqueous infusion of tobacco were compared with a...
  6. Tobacco Science & Technology, 2010, 11, p. 47-50., ISSN.1002-0861

    Comparison of tobacco-specific nitrosamines contents in flue-cured tobacco samples

    WANG BAO-XING(1,2); WANG XU(2); WANG YU(1); YANG WEI-ZU(1); ZOU YUE(1)
    1. Yunnan Reascend Tobacco Technology (Group) Co., Ltd., Kunming 650106, P.R. China; 2. School of Life Sciences, Yunnan Normal University, Kunming 650092, P.R. China
    In order to investigate the distribution of tobacco-specific nitrosamines (TSNAs) in flue-cured tobacco and reduce the harmfulness of cigarette, the contents of TSNAs in 63 flue-cured tobacco samples were determined by GC/TEA and their differences...
  7. Tobacco Science & Technology, 2010, 11, p. 5-8., ISSN.1002-0861

    Sensory quality evaluation of Hubei flue-cured tobacco and its similarity with Zimbabwean flue-cured tobacco

    WANG XIN(1); ZHAO YUN-FEI(1); YAN TIE-JUN(2); LIN GUO-PING(1)
    1. Tobacco Research Institute of Hubei Province, Wuhan 430030, P.R. China; 2. Technical Research & Development Center, China Tobacco Hubei Industrial Co., Ltd., Wuhan 430051, P.R. China
    The sensory quality of Hubei flue-cured tobacco and its similarity with Zimbabwean flue-cured tobacco were analyzed. The results showed that: 1) Enshi tobacco offered better aroma quality, plentiful aroma quantity, less offensive odor, little...
  8. Tobacco Science & Technology, 2010, 11, p. 51-54., ISSN.1002-0861

    Influence of fertilization on introduction of heavy metals into tobacco growing soils

    ZHANG YAN-LING(1); ZHANG SHI-XIANG(1); YANG JIE(2); WANG GUANG-SHAN(1); WANG XIN-MIN(1); LUO ZHAO-PENG(1)
    1. Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P.R. China; 2. Liaoning Province Tobacco Company of CNTC, Shenyang 110014, P.R. China
    The main fertilizer and irrigation management practices and contents of heavy metals (Cr, Ni, Cu, Zn, As, Cd and Pb) in main fertilizers for tobacco production in Circum-Shennongjia areas were studied by means of investigation and sample analysis,...
  9. Tobacco Science & Technology, 2010, 11, p. 61-64., ISSN.1002-0861

    Effects of application time of base fertilizer (15N) on growth, nicotine content and nicotine-n resources of flue-cured tobacco

    XIE ZHI-JIAN(1,3); LI JIN-PING(2); TU SHU-XIN(1); CHEN ZHEN-GUO(2); XU RU-BING(2)
    1. College of Resource and Environment, Huazhong Agricultural University, Wuhan 430070, P.R. China; 2. Tobacco Science Institute of Hubei Province, Wuhan 430030, P.R. China; 3. Institute of Soil & Fertilizer and Resource & Environment, Jiangxi Academy of Agricultural Sciences, Nanchang 330200, P.R. China
    A field experiment with 15N isotope tracing was carried out to study the effects of application time of base fertilizer (0, 15, 30 d before transplanting) on the growth, nicotine content and nicotine-N resources of flue-cured tobacco. The results...
  10. Tobacco Science & Technology, 2010, 11, p. 9-14., ISSN.1002-0861

    Dynamic changes of chemical components in cut tobacco during drying

    WANG TING(1,2); LI BIN(1); ZHU WEN-KUI(1); YU CHUAN-FANG(1); SHI ZHONG-JIN(2)
    1 .Key Laboratory of Tobacco Processing Technology, CNTC, Zhengzhou 450001, P.R. China; 2. Heilongjiang Tobacco Industrial Co., Ltd., Harbin 150001, P.R. China
    The dynamic changes of moisture content, total alkaloid, reducing sugar, total sugar, petroleum ether extract in cut tobacco during drying were investigated with a laboratory cylinder drier, and the effects of cylinder wall temperature (Tw) were also...