Help

Search Results

669 results

  1. Tobacco Science & Technology, 2012, 12, p. 68-71, ISSN.1002-0861

    Comparison of chemical components and smoking quality between yellow sun-cured tobaccos from different growing areas

    HE Shengbao; FENG Xiaomin; WANG Yingyuan; LUO Anna; XING Jun*
    China National Tobacco Quality Supervision & Test Center, Zhengzhou 450001, P.R. China
    For clarifying the quality characteristics of yellow sun-cured tobacco from different origins, the routine chemical components and smoking quality of tobacco samples from Hubei, Hunan and Guangxi growing areas were analyzed and evaluated. The results...
  2. 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...
  3. Tobacco Science & Technology, 2012, 12, p. 78-80, ISSN.1002-0861

    Relationship between leaf color and pest occurrence of tobacco

    LIU Caiyun
    Shandong Key Laboratory of Biochemistry and Molecular Biology, Biological and Agricultural Engineering College, Weifang University, Weifang 261061, Shandong, P.R. China
    The relationship between tobacco leaf color and the occurrence of pests was investigated for the purpose of effective pest control in tobacco field, the occurrence of several major pests on cv. Burley21 and cv.Maryland609 in field were observed. The...
  4. 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...
  5. 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...
  6. Tobacco Science & Technology, 2012, 2, p. 29-32., ISSN.1002-0861

    Determination of benzo[a]pyrene in mainstream cigarette smoke by HPLC

    CHENG Qian(1); ZHANG Hongfei(2); HOU Hongwei(2); HU Qingyuan(2); TANG Gangling(2)
    (1) Technology Centre of China Tobacco Hebei Industrial Co., Ltd., Shijiazhuang 050051, P.R. China; (2) China National Tobacco Quality Supervision & Test Center, Zhengzhou 450001, P.R. China
    A high performance liquid chromatography with fluorescence detection for determining the benzo[a]pyrene in mainstream cigarette smoke was developed. The extraction, clean up with Florisil and chromatographic conditions were tested. The Kentucky...
  7. 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...
  8. Tobacco Science & Technology, 2012, 2, p. 47-51., ISSN.1002-0861

    Pyrolysis analysis of phenylethyl β-D-glucopyranoside

    SHI Dongfang(1); AN Yi(2); MOU Dingrong(3); BAI Xiaoli(3); MAO Duobin(1)
    (1) School of Tobacco Science and Engineering, Zhengzhou University of Light Industry, Zhengzhou 450002, P.R. Chinam (2) Heilongjiang Tobacco Industrial Co., Ltd., Harbin 150001, P.R. China; 3. Technology Center, Hongta Tobacco (Group) Co., Ltd., Yuxi 653100, Yunnan, P.R. China
    The thermal mass loss and pyrolysis products of phenylethyl β-D-glucopyranoside were investigated with thermogravimetry and differential thermal analysis (TG-DTA) and online pyrolysis gas chromatography/mass spectrometry (Py-GC/MS). The TG curve...
  9. Tobacco Science & Technology, 2012, 2, p. 52-55., ISSN.1002-0861

    Nested factorial design for analysis of cigarette tar

    ZHAO Yantang(1); ZHAO Yueli(1); YU Hongxiao(1); SUN Dongliang(2); ZHU Zhanying(1); ZHAO Xuyong(3); LI Jiyun(1); WANG Binbin(3)
    (1) Technology Center, China Tobacco Shandong Industrial Co., Ltd., Jinan 250100, P.R. China; (2) Jinan Cigarette Factory, China Tobacco Shandong Industrial Co., Ltd., Jinan 250104, P.R. China; (3) Tengzhou Cigarette Factory, China Tobacco Shandong Industrial Co., Ltd., Tengzhou 277500, Shandong, P.R. China
    To study the differences of various variation sources in the determination of tar content in cigarette smoke, nested variance analysis and nested factorial design analysis were applied. The results showed that: 1) Of all the definite variation...
  10. Tobacco Science & Technology, 2012, 2, p. 56-60., ISSN.1002-0861

    Effects of permeability of tipping paper and plug wrapper on basic aroma components in mainstream cigarette smoke

    ZHAI Yujun(1,2); TIAN Hu(2); ZHU Xianyue(2); ZHANG Xiaobing(3); CAI Junlan(3); WANG Hongbo(3); XIE Fuwei(3); LIU Huimin(3)
    (1) Zhengzhou University of Light Industry, Zhengzhou 450002, P.R. China; (2) Technology Center, China Tobacco Gansu Industrial Co., Ltd., Lanzhou 730050, P.R. China; (3) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P.R. China
    In order to study the influences of tipping paper and plug wrapper on the basic aroma components in mainstream cigarette smoke, the basic aroma components in particulate matter and vapor phase of mainstream smoke of cigarettes with tipping paper and...