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  1. Tobacco Science & Technology, 2012, 10, p. 68-72, ISSN.1002-0861

    Effects of topping and BSM on Burley tobaccos of different nicotine conversion rates

    LI Ying(1,2); SHU Junsheng3; SU Lei(1); HUANG Wenchang4; CHENG Xinsheng(*1)
    (1) Research Center of Tobacco and Health, University of Science and Technology of China, Hefei 230052, P.R. China; (2) Biological Science College, Anhui University, Hefei 230039, P.R. China; (3) Technology Center, China Tobacco Anhui Industrial Co., Ltd., Hefei 230088, P.R. China; (4) Burley Tobacco Experimental Station of CNTC, Wuhan 430030, P.R. China
    In order to reduce nicotine conversion rate and improve tobacco quality, burley tobacco B37 plants of different nicotine conversion rates were treated by two ways, topping only and topping followed by bionic signal molecule (BSM) application. The...
  2. Tobacco Science & Technology, 2012, 10, p. 73-76, ISSN.1002-0861

    Variation analysis of sugar/nicotine ratio in flue-cured tobacco leaves from main growing areas in China

    CHEN Shengli(1,2); ZHANG Yulin(2); ZHANG Zhanjun(2); GUO Shuhua(2); CHEN Fei(1); XU Zicheng(1)
    (1) Tobacco Science College, Henan Agricultural University, Zhengzhou 450002, P.R. China; (2) Shanxian Branch of Sanmenxia City Tobacco Company, Shanxian 472000, Henan, P.R. China
    742 samples were analyzed to investigate the distribution of sugar/nicotine ratio in flue-cured tobacco leaves among different areas, varieties and grades. The results indicated that: sugar/nicotine ratio in the samples ranged widely from 2.47 to...
  3. Tobacco Science & Technology, 2012, 10, p. 77-80, ISSN.1002-0861

    Adsorption purification of TMV antiserum and detection application

    LUO Zhaopeng(1); WEI Chunyang(1); LI Naihui(2); YANG Jun(1); JIN Dawei(1); JIN Lifeng(1); LI Feng(1); LIN Fucheng(1)
    (1) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P.R. China; (2) Linyi Tobacco Limited Company of Shandong Province, Linyi 276003, Shandong, P.R. China
    For the detection of TMV in tobacco, antiserum was prepared by injecting purified TMV virion into mouse and the titer of antiserum was determined after adsorption purification, an ELISA analysis system was established basing on the in-house TMV...
  4. Tobacco Science & Technology, 2012, 10, p. 81-84, ISSN.1002-0861

    Isolating and identifying physiological races of Phytophthora nicotianae in Sichuan

    LI Bin(1); YANG Yifen(2); GONG Guoshu(3)
    (1) Sichuan Tobacco Company of CNTC, Chengdu 610041, P.R. China; (2) Entry-Exit Inspection and Quarantine Bureau of Sichuan, Chengdu 610045, P.R. China; (3) Sichuan Agricultural University, Chengdu 611134, P.R. China
    In order to better understand the composition and distribution of Phytophthora nicotianae (P. nicotianae) in Sichuan, 108 samples of P. nicotianae were collected from the main tobacco planting areas of Sichuan, 74 P. nicotianae isolates were obtained...
  5. Tobacco Science & Technology, 2012, 10, p. 9-12, ISSN.1002-0861

    Intrinsic quality evaluation of tipping paper by FT-NIR spectroscopy pattern recognition

    ZHANG Dingfang; LIU Zechun; ZHANG Tinggui
    Technology Center, China Tobacco Fujian Industrial Co., Ltd., Xiamen 361022, Fujian, P.R. China
    In order to evaluate the consistency of its intrinsic quality, tipping paper was scanned by NIR optical fiber diffuse reflection technology, the obtained spectrum was processed by Standard Normal Variation (SNV) and first differential, then the...
  6. Tobacco Science & Technology, 2012, 11, p. 10-12, ISSN.1002-0861

    Effects of storing time and temperature on sensory quality of cigarette with thermal-time model

    GU Wenbo(1); YU Ling(1); ZHANG Chaoping(1); LI Yuanshi(2); HUANG Fei(2); LI Dong(3); LUO Dengshan(3); CHEN Chaoying(*1)
    (1) Shanghai Tobacco Group Co., Ltd., Shanghai 200082, P.R. China; (2) Jilin Tobacco Industrial Co., Ltd., Changchun 130031, P.R. China; (3) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P.R. China
    Taking cigarettes of 7 brands stored in 6 cities as samples, the influences of ambient temperature on the sensory quality of stored cigarettes were investigated. The results showed that: 1) Sensory quality of the samples changed slightly in 6 months....
  7. Tobacco Science & Technology, 2012, 11, p. 13-16, ISSN.1002-0861

    Application of digital image analysis in determination of strip structure

    XU Dayong(1); Yu Na(1); DENG Guodong(1); LI Shanlian(1); SHEN Xiaofeng(2); JIANG Linzhong(3); LI Xinfeng(3); JIANG Huanyuan(4); DU Jinsong(*1)
    (1) Key Laboratory of Tobacco Processing Technology of CNTC, Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P.R. China; (2) Hongyun Honghe Tobacco (Group) Co., Ltd., Kunming 650202, P.R. China; (3) Longyan Golden Leaf Redrying Co., Ltd., Longyan 364102, Fujian, P.R. China; (4) China Tobacco Fujian Industrial Co., Ltd., Xiamen 364022, Fujian, P.R. China
    A new method for determining strip structure with digital image analysis was discussed. The results showed that: 1) digital image analysis method could be used to determine strip structure; the test precision of the method ranged from 1.31 to 31.91...
  8. Tobacco Science & Technology, 2012, 11, p. 17-19, ISSN.1002-0861

    Design and application of pressurized device for pre-expansion of cut tobacco

    TAO Yijing(1); JIAN Longhui(2); HOU Youping(3); LI Hui(1); LI Biao(1)
    (1) China Tobacco Machinery Technology Center Co., Ltd., Shanghai 201206, P.R. China; (2) China Tobacco Machinery Group Co., Ltd., Beijing 100055, P.R. China; (3) Qinhuangdao Tobacco Machinery Co., Ltd., Qinhuangdao 066318, Hebei, P.R. China
    The cut tobacco expanding system composed of a conditioner and a dryer has the disadvantages of its complicated structure and control system, and high energy consumption; the expanded tobacco tends to be overdried and presents different...
  9. Tobacco Science & Technology, 2012, 11, p. 20-22, 25, ISSN.1002-0861

    Improvement of moisture content control system in HAUNI ordering cylinder

    DONG Wei; LI Kun; WANG Jian; ZHAO Yu; YAN Junmin
    Xuzhou Cigarette Factory, China Tobacco Jiangsu Industrial Co., Ltd., Xuzhou 221005, Jiangsu, P.R. China
    In order to minimized the fluctuation of output moisture content in tobacco, the control system in HAUNI’s ordering cylinder was modified as follows: 1) a closed loop control system was designed for the output end of the cylinder, to feed the value...
  10. Tobacco Science & Technology, 2012, 11, p. 29-32, ISSN.1002-0861

    Influence of ventilation on burning temperature and deliveries of harmful components in mainstream cigarette smoke

    PANG Yongqiang(1); HUANG Chunhui(2); CHEN Zaigen(1); CHEN huan(1); JIANG Xingyi(1); TANG Gangling(1)
    (1) China National Tobacco Quality Supervision & Test Center, Zhengzhou 450001, P.R. China; (2) China Tobacco Guangdong Industrial Co., Ltd., Guangzhou 510145, P.R. China
    In order to reduce the harm of smoking, the effects of air permeability of cigarette paper, tipping paper and plug wrapper on the burning temperature of cigarette and deliveries of tar and seven harmful components (including CO, HCN, NNK, NH3, B[a]P,...