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61 results

  1. CORESTA Congress, Sapporo, 2012, Agronomy/Phytopathology Groups, AP 27 (Poster)

    Studies on surface microstructure characteristics of flue-cured tobacco leaves in different areas in China

    GUO Wei-min; ZHANG Yan-ling; CAI Xian-jie; ZHANG Shi-xiang; WANG Jian-wei; YIN Qi-sheng
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, Henan, P.R. China
    The appearance quality determination of tobacco leaves is currently highly dependent on human judgment, and looking for objective methods is of increasing concern. The microstructure of tobacco leaves is the basis for appearance quality, thus the...
  2. CORESTA Congress, Sapporo, 2012, Agronomy/Phytopathology Groups, APPOST 12

    Biocontrol efficiencies and identification of nematicidal metabolite from strain BJLSH9 towards nematode and Phytophthora nicotianae

    DUAN Yan-qing(1); LI Ping(2); ZHE Wei(1); XI Jia-qin(3); XIA Jianjun(1); WANG Wenyuan(1); JIANG Junxiang(1); MO Ming-he(2)
    (1) Technology Center of Hongyun Honghe Tobacco (Group) Co., Ltd, Wuhua District, Kunming, P.R. China; (2) Key Laboratory for Conservation and Utilisation of Bio-Resources, Yunnan University, Kunming, P.R. China; (3) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, Henan, P.R. China
    BJLSH9, an actinomycete exhibiting both nematicidal and antifungal activities, was isolated from rhizospheric soil of willow in Beijing. Bioassay results in vivo showed that BJLSH9 displayed a 50.05% efficiency to suppress radial growth of...
  3. CORESTA Congress, Sapporo, 2012, Smoke Science/Product Technology Groups, PT 02 (Poster)

    Filtration efficiencies and distribution patterns of nicotine in filters of different structure

    WEN Jian-hui(1); DU Wen(1); PENG Bin(2); ZHANG Xiao-bing(2); LIU Xiao-qing(1); LI Yan-ping(1); XIE Fu-wei(2); WANG Zhi-guo(1); LIU Hui-min(2)
    (1) R&D Center of China Tobacco Hunan Industrial Co., Ltd., Changsha, Hunan, P.R. China; (2) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, Henan, P.R. China
    The filtration efficiencies of filters of different structure to nicotine and the space distribution patterns of nicotine retention in filters were studied. By quantitatively analysing the nicotine deliveries in mainstream cigarette smoke and...
  4. CORESTA Congress, Sapporo, 2012, Smoke Science/Product Technology Groups, PT 08

    Heart-cutting two-dimensional GC in combination with isotope ratio mass spectrometry for the characterisation of lipids in tobacco leaves and smoke

    DAVID F.(1); DUMONT E.(1); TIENPONT B.(1); MITSUI K.(2); OCHIAI N.(3); KANDA H.(3); HIGASHI N.(2); SANDRA P.(1)
    (1) Research Institute for Chromatography, Kortrijk, Belgium; (2) Japan Tobacco Inc., Tobacco Science Research Center, Yokohama, Japan; (3) Gerstel K.K., Tokyo, Japan
    During the last few years, interest in isotope ratio mass spectrometry (IRMS) has increased tremendously. IRMS is used for the determination of the origin/source of products and for adulteration detection. Application areas include natural product...
  5. CORESTA Congress, Sapporo, 2012, Smoke Science/Product Technology Groups, PT 14 (Poster)

    Evaluation of release behaviour of nicotine from tobacco chewing gum

    ZHANG Wen-juan; LI Peng; HE Bao-jiang; ZHANG Jian-xun; ZONG Yong-li
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, Henan, P.R. China
    A simulated chewing machine capable of evaluating the in vitro release behaviour of nicotine from tobacco chewing gum (TCG) was developed. It was composed of a temperature control module, simulated chewing module, artificial saliva adding module,...
  6. CORESTA Congress, Sapporo, 2012, Smoke Science/Product Technology Groups, SS 14

    Applying gas chromatography with soft ionisation mass spectroscopy for the characterisation of tobacco leaves and tobacco smoke

    DAVID F.(1); TIENPONT B.(1); MITSUI K.(2); OCHIAI N.(3); SASAMOTO K.(3); HIGASHI N.(2); SANDRA P.(1)
    (1) Research Institute for Chromatography, Kortrijk, Belgium; (2) Japan Tobacco Inc., Tobacco Science Research Center, Yokohama, Japan; (3) Gerstel K.K., Tokyo, Japan
    In this presentation, the applicability of GC in combination with atmospheric pressure chemical ionisation mass spectroscopy (APCI-MS) and with supersonic molecular beam ionisation mass spectroscopy (SMB-MS) will be demonstrated for the...
  7. CORESTA Congress, Sapporo, 2012, Smoke Science/Product Technology Groups, SSPT 28

    Comprehensive analysis of sulfur-containing compounds in tobacco smoke by using new separation and analytical techniques

    YOSHIMURA Y.(1); OCHIAI N.(2); SASAMOTO K.(2); MITSUI K.(1); KANDA H.(2); HIGASHI N.(1); DAVID F.(3); SANDRA P.(3)
    (1) Japan Tobacco Inc., Tobacco Science Research Center, Yokohama, Japan; (2) Gerstel K.K., Tokyo, Japan; (3) Research Institute for Chromatography, Kortrijk, Belgium
    Sulfur-containing compounds in food have been extensively studied because of their effect on aroma and taste. It is well known that sulfur compounds in complex matrices, such as tobacco smoke, are difficult to analyse. Sulfur compounds are typically...