Search Results

21 results

  1. CORESTA Meeting, Smoke Science/Product Technology, 2015, Jeju, STPOST 02

    Influence of microwave treatment on the combustibility of tobacco and its kinetic analysis

    LIU Chunbo; SHEN Qinpeng; HE Pei; ZHANG Tao; ZHU Ruizhi; LIU Zhihua; YANG Guangyu; ZHANG Hongyu; MIAO Mingming
    Key Laboratory of Tobacco Chemistry of Yunnan Province, Research & Development Center, China Tobacco Yunnan Industrial Co., Ltd. of CNTC, Kunming 650231, P.R. China
    Microwave treatment can promote the expansion of tissue structure of tobacco leaves and improve their combustibility. To study the structure and combustibility of tobacco leaves treated with microwave for different durations, scanning electron microscope ...
  2. CORESTA Meeting, Smoke Science/Product Technology, 2013, Seville, ST 20

    Isolation, screening, identification and application of a bacterium strain with high lutein-degrading and ß-ionone-producing abilities from the surface of tobacco leaves

    PANG Denghong; ZHU Wei; XIONG Guoxi*; WANG Na; DONG Aijun; WANG Ping (*author for correspondence)
    China Tobacco Hubei Industrial Co., Ltd., Technology Center, Dongxihu District, Wuhan, Hubei, P.R. China
    In the culture medium with lutein as the sole source of carbon, the bacterium strains with lutein-degrading and ß-ionone-producing abilities were isolated from the surface of tobacco leaves. After primary and further screening, a strain, JBBM09-12, with a ...
  3. CORESTA Meeting, Smoke Science/Product Technology, 2013, Seville, STPOST 02

    Determination of nicotine and total nitrogen in tobacco leaves by HPLC-CLND

    YU Shitao; XIONG Guoxi; ZHU Wei
    China Tobacco Hubei Industrial Co., Ltd., Technology Center, Dongxihu District, Wuhan, Hubei, P.R. China
    A new method for determining the nicotine content in tobacco leaves with HPLC-CLND was established, and the content of total nitrogen was also estimated. HPLC conditions were as follows: Sun Fire C 18 column (50 mm × 2.1 mm, 2.5 µm), mobile phase (A) ...
  4. Tobacco Science & Technology, 2012, 1, p. 5-9., ISSN.1002-0861

    Method for measuring hot collapse of cigarette

    SONG Xuyan; ZHANG Hua; LI Wenjing; LUO Chenghao; WEI Min
    Technology Center of China Tobacco Hubei Industrial Co., Ltd., Wuhan 430051, P.R. China
    For accurately measuring the hot collapse of cigarette during smoking, a method for measuring the hot collapse of tobacco rod and filter plug of cigarette with smoking machine was established by optimizing the method recommended by CORESTA. The optimized ...
  5. Tobacco Science & Technology, 2012, 10, p. 65-67, ISSN.1002-0861

    Determination of available potassium in tobacco planting soil by Flame Atomic Absorption Spectrometry

    YANG Xiaoqiu(1); WANG Jian(2); WANG Lin(2); YU Yongjie(1); WANG Xin(1)
    (1) Faculty of Chemistry and Environmental Engineering, Jianghan University, Wuhan 430056, P.R. China; (2) China Tobacco Hubei Industrial Co., Ltd., Wuhan 430051, P.R. China
    A convenient and fast method for determining available potassium in tobacco planting soil with flame atomic absorption spectrometry was developed, in which available potassium was extracted from soil samples with 1 mol/L ammonium acetate. The results ...
  6. Tobacco Science & Technology, 2012, 5, p. 56-59, ISSN.1002-0861

    Effects of mainstream smoke of cigarette containing Dendranthema indicum extract on respiratory tract

    LI Dan(1); WEI Min(*1); LUO Chenghao(1); LI Wenfang(2); SONG Xuyan(1); CHEN Yikun(1); WANG Jun(2); HU Xiamin(2)
    (1) Technology Center, China Tobacco Hubei Industrial Co., Ltd., Wuhan 430040, P.R. China; (2) Department of Pharmacy, Medical College, Wuhan University of Science and Technology, Wuhan 430065, P.R. China
    In order to study the effects of Dendranthema Indicum extract (MSDIE) in cigarette on the inhibition indexes relative to inflammation and antioxidative action of respiratory tract, mice were exposed to the mainstream smoke of cigarette containing MSDIE by ...
  7. CORESTA Meeting, Smoke Science/Product Technology, 2011, Graz, ST 54

    Preparation of hemoglobin immobilized self-assembling nanoporous filter material and its application for selective reduction of harmful components in cigarette smoke

    WANG Na
    Hubei China Tobacco Industry Co., R&D Center, Wuhan, P.R. China
    To reduce harmful components in cigarette smoke, 3 kinds of methoxy poly(ethylene glycol)-block-poly (D, L-lactic acid) (PEDLLA) nanoporous hydrogels (PNH) were prepared and characterized by 1hydrogen-nuclear magnetic resonance spectrometer (1 H-NMR), ...
  8. Tobacco Science & Technology, 2011, 2, p. 9-12., ISSN.1002-0861

    Factors affecting ash integration of burning cigarette

    CHENG ZHAN-GANG; YE MING-QIAO; HU SU-XIA; WANG JIAN-XIN; CHEN HUI-BIN
    Technology Center, China Tobacco Hubei Industrial Co., Ltd., Wuhan 430051, P.R. China
    In order to accurately evaluate the property of ash integration of burning cigarette, a 20-channel linear smoking machine was designed and the images of ash left on burning cigarettes were taken by a digital camera. The results showed that: 1) when ...
  9. Tobacco Science & Technology, 2011, 7, p. 56-59., ISSN.1002-0861

    Pyrolysate of lycopene in nitrogen of 9% oxygen

    YIN FA-QIANG(1); LIU XIN(2); HE JIA-WEN(1); ZHU WEI(2); XIONG GUO-XI(2)
    1. School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, P.R. China; 2. Technology Center of China Tobacco Hubei Industrial Co., Ltd., Wuhan 430040, P.R. China
    The pyrolysate of lycopene at 300, 500 and 800 °C in nitrogen of 9% oxygen was analyzed by pyrolysis gas chromatography and mass spectrometry (Py-GC-MS). The results showed that: 1) The pyrolysates at the three pyrolysis temperatures always contained ...
  10. CORESTA Congress, Edinburgh, 2010, PT 05

    Determination of free amino acids with multiphoton- excited fluorescence detection based on nano-scale channel electrophoresis separation

    CHEN Sheng; XIONG Guoxi
    Technology Center of China Tobacco Hubei Industrial Co. Ltd., Wuhan City, China
    As a novel nano-technology, nano-scale channel electrophoresis separation (NCS) technique (a hole or channel 0.1-500 nanometer in diameter) is widely applied in biomedical, chemical fields, and so on. Multiphoton-excited fluorescence (MPEF) takes ...