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44 results

  1. CORESTA Congress, Kunming, 2018, Smoke Science/Product Technology Groups, STPOST 06

    Research on the application of microwave non-destructive testing technology for detection of capsule filter rod or capsule cigarette

    ZHANG Long; ZHAO Shumi; LI Zhigang; ZHU Zhen; LIU Yong
    Institute of Applied Technology, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, P.R. China
    In the filter rod capsule and cigarette capsule production process, the capsule defects, which include breakage, loss and position offset, occur easily because of the technology of capsule filling, filter rod cutting, and cigarette winding. Because the ...
  2. CORESTA Congress, Quebec, 2014, Smoke Science/Product Technology Groups, ST 44

    Investigation of pyrolysis behaviour of lutein in air by thermo gravimetry-single drop micro extraction-gas chromatography-mass spectrometry

    YANG Ji; YANG Liu; WU Yiqin; MIAO Mingming; ZHE Wei; CHEN Yongkuan
    China Tobacco Yunnan Industrial Co., Ltd of CNTC, R&D Center, Kunming, P.R. China
    To investigate the pyrolysis behaviour of lutein in air, an automatic single drop micro extraction (SDME) device for trapping the released fractions was designed and coupled with thermo gravimetry-gas chromatography-mass spectrometry. According to the ...
  3. Tobacco Science & Technology, 2012, 5, p. 40-43, ISSN.1002-0861

    Preparation of high-purity solanesol by urea column chromatography combining with recrystallization

    HAN Ruirui(1); LÜ Chunjie(2); DENG Tiansheng(3,4); LIU Xuguang(*1); HOU Xianglin(3)
    (1) College of Chemistry Engineering, Taiyuan University of Technology, Taiyuan 030024, P.R. China; (2) Department of Mechanical Engineering, Luoyang Institute of Technology, Luoyang 471000, Henan, P.R. China; (3) Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan 030001, P.R. China; (4) Graduate University of Chinese Academy of Sciences, Beijing 100039, P.R. China
    To obtain high-purity solanesol, an experiment on the refinement of solanesol by urea column chromatography combining with recrystallization was conducted. The influences of ratio of urea to silica gel in stationary phase, elution solvent and the sample ...
  4. CORESTA Meeting, Smoke Science/Product Technology, 2011, Graz, ST 55

    Metabonomics study on effects of sidestream cigarette smoke on urinary metabolites of rats

    LIAN Wen-liu(1); LUO Jia(1); SHI Xian-zhe(2)
    (1) Technical Center, P.R. China Tobacco Hunan Industrial Co. Ltd., Changsha, P.R China; (2) Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, P.R. China
    The endogenous and exogenous urinary metabolites of rats passively exposed to sidestream cigarette smoke (SCS) were analysed to study the changes of urinary metabolites with a metabonomics method. The contents of total urinary 4-(methylnitrosamino)-1-(3 ...
  5. Tobacco Science & Technology, 2011, 1, p. 36-42., ISSN.1002-0861

    Caspase-mediated apoptosis of human bronchial epithelial cells induced by crotonaldehyde

    LIU XING-YU(1,2); YANG ZHI-HUA(3); PAN XIU-JIE(3); ZHU MAO-XIANG(3); XIE JIAN-PING(4)
    1. Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, Liaoning, P.R. China; 2. Beijing Work Station, Technology Center of Shanghai Tobacco (Group) Corporation, Beijing 101121, P.R. China; 3. Institute of Radiation Medicine, Academy of Military Medical Sciences, Beijing 100850, P.R. China; 4. Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P.R. China
    In order to assess the health risk of cigarette smoke, crotonaldehyde-induced cell death and its mechanism in BEAS-2B cells were investigated. Cell survival rate, intracellular ATP level, apoptosis rate, cytochrome c released from mitochondria to ...
  6. Tobacco Science & Technology, 2011, 7, p. 60-63., ISSN.1002-0861

    Transfer behavior of some carbonyl flavors in filter and tobacco rod of cigarette

    ZHANG JIE(1); ZONG YONG-LI(1); ZHOU HUI-SHUN(2); PENG SHU-HAI(1); SONG YU-BING(1)
    1. Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P.R. China; 2. Technology Center of China Tobacco Jiangxi Industrial Corporation, Nanchang 330096, P.R. China
    Twelve carbonyl flavor samples were added into cut tobacco and filter tips of cigarettes and then analyzed by simultaneous distillation and extraction coupled with GC and GC/MS to determine the ratios of flavor retained in tobacco rod or filter, migrated ...
  7. 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, ...
  8. Tobacco Science & Technology, 2010, 8, p. 41-45., ISSN.1002-0861

    Effects of filter length and ventilation on transfer behavior of some ester flavors in cigarette

    ZHOU HUI-SHUN(1); ZONG YONG-LI(2); ZHANG JIE(2); PENG SHU-HAI(2); SONG YU-BING(2)
    1. Technology Center, P.R. China Tobacco Jiangxi Industrial Corporation, Nanchang 330096, P.R. China; 2. Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P.R. China
    In order to investigate the effects of filter length and ventilation on the transfer behavior of some ester flavors in cigarettes, the said ester flavors were injected into cigarettes with filters of various length and ventilation rates. These flavored ...
  9. Tobacco Science & Technology, 2008, 2, p. 42-4, ISSN.1002-0861

    Effects of cigarette paper and tipping paper on moisture and tar contents in cigarette smoke

    LI QING-HUA; YANG YE-KUN; WANG BAO-XING
    Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, Liaoning, China
    The influences of cigarette paper with different permeabilities and different grammages and the perforated tipping paper with different permeabilities on the moisture and tar contents in cigarette smoke were investigated. The results showed that: 1) when ...