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359 results

  1. TSRC, Tob. Sci. Res. Conf., 2014, 68, abstr. 64

    Development of an on-line method for separating stems from tobacco lamina based on low-energy X-ray transmission imaging

    ZHU Wenkui(1); CHEN Liangyuan(1); WANG Bin(1); LIU Bin(2); MAO Junwei(2); ZHONG Kejun(2); XI Jianping(2); ZHANG Hui(2); WANG Yibin(3)
    (1) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, P.R. China; (2) China Tobacco Hunan Industrial Co. Ltd., Hunan, P.R. China; (3) Nanjing Jiao’er Science and Technology Ltd., Jiangsu, P.R. China
    During the tobacco threshing and redrying processes, separation quality of tobacco leaves and stems has a significant effect on the purity of output tobacco lamina. For the traditional separation method by air classifier, separation efficiency is limited ...
  2. CORESTA Meeting, Agronomy/Phytopathology, 2013, Brufa di Torgiano, AP 24

    Colonisation of Pseudomonas aeruginosa SXYC15 in tobacco via EGFP

    XI Jiaqin(1); FENG Xiaohu(2); SONG Jizhen(1); WANG Libing(2); ZHAO Tao(2); YIN Qisheng(1); GUO Jianhua(1)
    (1) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, Henan, P.R. China; (2) Fuzhou Branch of Jiangxi Tobacco Corporation, Fuzhou, P.R. China
    Pseudomonas aeruginosa SXYC15 was isolated from fresh leaves of tobacco, which had considerable antagonism to Pseudomonas syringae pv. angulata. The stability of the control effect mainly depends on whether antagonistic microbes could effectively colonise ...
  3. CORESTA Meeting, Smoke Science/Product Technology, 2013, Seville, ST 26

    Determination of chlorinated dioxins/furans in mainstream cigarette smoke using gas chromatography-tandem mass spectrometry

    GUTHERY W.
    Filtrona Technology Centre, Jarrow, Tyne and Wear, U.K.
    Chlorinated dioxins and furans have been cited by the United States Food and Drug Administration (FDA) as harmful and potentially harmful constituents (HPHC) in tobacco smoke. It is the only constituent on the FDA list which is not a specific compound ...
  4. CORESTA Meeting, Smoke Science/Product Technology, 2013, Seville, ST 28

    Quantitative analysis of organic compounds in gas phase of mainstream cigarette smoke with on-line atmospheric pressure chemical ionisation tandem mass spectrometry

    SUN Shihao; JIANG Chengyong; WANG Hui; ZONG Yongli; ZHANG Jianxun
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, P.R. China
    In order to measure selected organic compounds in cigarette smoke which might possess potential risks to human health and the environment, a tandem mass spectrometry method was developed and applied in the on-line analysis of mainstream cigarette smoke ...
  5. CORESTA Meeting, Smoke Science/Product Technology, 2013, Seville, ST 31

    Retention distribution patterns of nicotine and phenolic compounds in filters

    WEN Jianhui(1); DU Wen(1); PENG Bin(2); ZHANG Xiaobing(2); XIE Fuwei(2); LIU Huimin(2); ZHONG Kejun(1)
    (1) China Tobacco Hunan Industrial Co., Ltd., Technology Center, Changsha, Hunan, P.R. China; (2) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, Henan, P.R. China
    The retention distribution patterns of nicotine and seven phenolic compounds in cigarette filters were studied. The nicotine and seven phenolic compounds retained in each segment were quantitatively analysed after the filters were transversely and ...
  6. CORESTA Meeting, Smoke Science/Product Technology, 2013, Seville, ST 56

    Dose-effect relationship between main precursors and delivery of hydrocyanic acid in cigarette smoke and influencing factors of the same

    WANG Hongbo; XIA Qiaoling; XIE Fuwei; GUO Jizhao; CAO Depo; ZHAO Xiaodong; DING Li; YAN Quanping; LIU Kejian; LIU Huimin
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, P.R. China
    With a home-made cigarette smoking simulator of rapid heating, the source of hydrocyanic acid (HCN) in cigarette smoke was studied. The effects of tobacco matrix, pyrolysis temperature, oxygen content in atmosphere, flow rate and heating rate on the yield ...
  7. CORESTA Meeting, Smoke Science/Product Technology, 2013, Seville, STPOST 07

    Smoking puff ratio of cigarettes and its determination method

    WANG Zhiguo(1); ZHANG Xiaobing(2); LIU Wei(1); PENG Bin(2); DU Wen(1); ZHONG Kejun(1); LIU Huimin(2)
    (1) China Tobacco Hunan Industrial Co., Ltd., Technology Center and Changsha Cigarette Factory, Changsha, Hunan, P.R. China; (2) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, Henan, P.R. China
    The ratio between cut tobacco burned at puffing stage and cut tobacco burned during the whole smoking process of a cigarette was defined as smoking puff ratio (SPR), and a method for determining the SPR of a cigarette was proposed. Cigarettes were smoked ...
  8. TSRC, Tob. Sci. Res. Conf., 2013, 67, abstr. 36

    Determination of aromatic amines biomarkers of exposure to cigarette smoke in human urine using liquid chromatography- tandem mass spectrometry.

    YU Jingjing; WANG Sheng; ZHAO Ge; WANG Bing; DING Li; XIE Fuwei; ZHANG Xiaobing
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, China
    Many aromatic amines (AAs) are toxic compounds and/or suspected human carcinogens. Several AAs have been detected in mainstream cigarette smoke and environmental tobacco smoke, such as 1-naphthylamine (1-NA), 2-naphthylamine (2-NA), 3-aminobiphenyl (3-ABP ...
  9. TSRC, Tob. Sci. Res. Conf., 2013, 67, abstr. 39

    Study on the capture of smoking aerosol flowing perpendicular to the fiber.

    LU Duangeng(1); WU Wentao(1); ZHU Wenkui(1); WANG Hongsheng(1); YU Chuanfang(1); SHENG Peixu(2)
    (1) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, P.R. China; (2) Nantong Cigarette Filter Co., Ltd., Nantong, P.R. China
    The process of cigarette smoke aerosol being captured by a single fiber was observed with a microscope and CCD through an established micro observation channel. The images obtained were then binarized to investigate the influences of monofilament denier, ...