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299 results

  1. Tobacco Science & Technology, 2012, 11, p. 42-44, ISSN.1002-0861

    Relationships between stalk position of tobacco leaves and deliveries of 7 harmful compounds in mainstream cigarette smoke

    PENG Bin; ZHAO Le; SUN Xuehui; SHANG Pingping; LI Xiang; NIE Cong
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P.R. China
    In order to investigate the relationships between stalk positions and the deliveries of 7 harmful compounds, including CO, HCN, NNK, NH 3, B[a]P, phenol and crotonaldehyde, in mainstream cigarette smoke, cigarettes of the same hardness made of each single ...
  2. Tobacco Science & Technology, 2012, 11, p. 64-68, ISSN.1002-0861

    Surface cell morphological characteristics of cured tobacco leaves from typical flue-cured tobacco growing areas in China

    GUO Weimin; ZHANG Yanling; CAI Xianjie; ZHANG Shixiang; WANG Jianwei; LIU Yang; YIN Qisheng*
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P.R. China
    In order to investigate the surface cell morphological characteristics of flue-cured leaves and their differences between growing areas in China, the surface microscopic images of C3F cured leaves collected from different typical growing areas were ...
  3. Tobacco Science & Technology, 2012, 12, p. 44-48, ISSN.1002-0861

    Simultaneous determination of four aromatic amines in mainstream cigarette smoke with liquid chromatography tandem mass spectrometry

    YU Jingjing; WANG Sheng; XIE Fuwei*; CHEN Yusong; ZHAO Ge; ZHANG Xiaobing
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P.R. China
    For simultaneous determination of four aromatic amines, including 1-naphthylamine, 2-naphthylamine, 3-aminobiphenyl and 4-aminobiphenyl, in mainstream cigarette smoke, a liquid chromatography tandem mass spectrometric (LC-MS/MS) method was developed. The ...
  4. Tobacco Science & Technology, 2012, 12, p. 49-51, ISSN.1002-0861

    Determination of moisture content in tobacco with gas chromatography

    WU Jinming(1); PENG Bin(*2); LIU Kejian(2); ZHAO Xiaodong(2); LI Ping(2); ZHANG Xiaobing(2)
    (1) China Tobacco Guangdong Industrial Co., Ltd., Guangzhou 510145, P.R. China; (2) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P.R. China
    In order to accurately determine the moisture content in tobacco, a method with gas chromatography was developed. Four factors, including extraction means, extraction solvent, extraction time and solvent volume, were optimized. The results showed that: 1) ...
  5. Tobacco Science & Technology, 2012, 12, p. 52-55, ISSN.1002-0861

    Synthesis of 6-O-carboxymethyl-D-galactopyranose and its application in cigarette

    CHEN Zhifei(1); SUN Zhitao(1); LU Changtong(1); WANG Hongwei(*1); QU Zhan(2); MA Ji(2); HE Baojiang(2)
    (1) Technology Center, China Tobacco Henan Industrial Co., Ltd., Zhengzhou 450000, P.R. China; (2) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P.R. China
    6- O-Carboxymethyl-D-galactopyranose (V) was synthesized from D-galactose (I) through hydroxyl protection, nucleophilic substitution, saponification and deprotection reactions. The structures of the products of each synthesized step were characterized ...
  6. Tobacco Science & Technology, 2012, 12, p. 56-59, ISSN.1002-0861

    Effects of two derivative conditions on determination of polybasic acids and higher fatty acids in tobacco

    WANG Bing; XIA Qiaoling; GUO Jizhao; CAI Junlan; WANG Sheng; XIE Fuwei*
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P.R. China
    The polybasic acids and higher fatty acids in tobacco were methyl esterified under two derivative conditions: heating-refluxing and placing at room temperature. The reaction mixtures were analyzed with gas chromatography (GC), the results were compared by ...
  7. Tobacco Science & Technology, 2012, 12, p. 72-77, ISSN.1002-0861

    Serological identification of viruses infecting tobacco in major tobacco growing areas of China

    LUO Zhaopeng; YANG Jun; WANG Ran; LI Feng; JIN Lifeng; WEI Chunyang; LIN Fucheng
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P.R. China
    In order to better understand the occurrence of tobacco virus diseases in China status quo, 409 symptomatic tobacco samples were collected from 13 major tobacco growing areas of China in 2010 and 2011. Tobacco mosaic virus (TMV), cucumber mosaic virus ...
  8. Tobacco Science & Technology, 2012, 12, p. 9-13, ISSN.1002-0861

    Characterization of temperature distribution in cigarette burning cone

    LIU Minchang(1,3); LI Bin(*1); YIN Donghong(2); XIE Guoyong(2); CHANG Jiheng(1)
    (1) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P.R. China; (2) Technology Center, China Tobacco Hunan Industrial Co., Ltd., Changsha 410007, P.R. China; (3) Technology Center, China Tobacco Chuanyu Industrial Co., Ltd., Chengdu 610066, P.R. China
    In order to characterize the temperature distribution in cigarette burning cone more accurately, a temperature-based method for determining puffing time was proposed. Six interpolation methods, line-connection, the nearest neighbor point, modified Shepard ...
  9. Tobacco Science & Technology, 2012, 2, p. 12-15., ISSN.1002-0861

    Effects of LIP cigarette paper on sensory characters of cigarette

    SHEN Yujun(1); DENG Guodong(1); WANG Bing(1); JING Yi(2); XING Jun(2)
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P.R. China
    In order to investigate the effects of LIP cigarette paper on the sensory characters of cigarette, the change trend of sensory characters was evaluated by comparative tests. The results showed that: 1) LIP cigarette paper affected all the indexes of ...
  10. Tobacco Science & Technology, 2012, 2, p. 43-46., ISSN.1002-0861

    Determination of NNN and its metabolites in rabbit blood with HPLC-MS/MS

    ZHAO Beibei(1); WANG Sheng(1); WANG Juan(2); WANG Zhaoyu(3); ZHANG Jianxun(1)
    (1) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P.R. China; (2) Quality Supervision & Test Station of Hainan Tobacco Corporation, Haikou 571100, P.R. China; (3) Quality Supervision & Test Station of Zhejiang Tobacco Corporation, Hangzhou 310001, P.R. China
    In order to accurately determine N-nitroso nornicotine (NNN) and its metabolites in rabbit blood, a high-performance liquid chromatography/tandem mass spectrometry method was established by optimizing chromatographic conditions and mass spectrometric ...