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  1. Tobacco Science & Technology, 2012, 10, p. 51-55, ISSN.1002-0861

    Differences between and cluster analysis of heavy metal contents in tobacco leaves from ten tobacco producing provinces in China

    ZHANG Xiaojing(1); QIN Cunyong(2); ZHU Fengpeng(3); CHEN Weihua(1); HU Qingyuan(*3)
    (1) Technology Center, China Tobacco Hebei Industrial Co., Ltd., Shijiazhuang 050051, P.R. China; (2) Hebei Baisha Tobacco Co., Ltd., Shijiazhuang 050035, P.R. China; (3) China National Tobacco Quality Supervision & Test Center, Zhengzhou 450001, P.R. China
    The comparison and cluster analysis of Cr, Ni, Cu, As, Cd, Tl and Pb contents in 100 samples of flue-cured tobacco leaves from 100 areas in 10 provinces of China were conducted for investigating the content and distribution of heavy metals in...
  2. Tobacco Science & Technology, 2012, 10, p. 56-60, 84, ISSN.1002-0861

    Effects of roasting conditions on major aroma components in Burley tobacco

    AN Yi(1); XU Lixia(2); YANG Jing(3); LI Bin(4); MAO Duobin(*3)
    (1) Agricultural College, South China Agricultural University, Guangzhou 510642, P.R. China; (2) Heilongjiang Tobacco Industrial Co., Ltd., Harbin 150001, P.R. China; (3) School of Tobacco Science and Engineering, Zhengzhou University of Light Industry, Zhengzhou 450002, P.R. China; (4) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P.R. China
    The contents of proline-glucose Amadori compounds and thirteen kinds of alkaline aroma components in burley tobacco were determined after roasting under different conditions, including roasting temperature, air humidity and ending moisture content in...
  3. Tobacco Science & Technology, 2012, 10, p. 61-64, ISSN.1002-0861

    Changes of degradation products of carotenoids and cembranoids in B4F flue-cured tobacco during redrying

    YIN Gengyun(1); XU Shitao(1); RUAN Xin(2); WEI Jie(1); LIU Jinyun(1); HOU Ducheng(*2)
    (1) Yunnan Academy of Tobacco Science, Kunming 650106, P.R. China; (2) Tianfu Tobacco Redrying Co., Ltd., Hongyun Honghe Group, Qujing 655001, Yunnan, P.R. China
    The changes of degradation products of carotenoids and cembranoids in B4F flue-cured tobacco during redrying were studied with orthogonal experimental design. The results showed that: 1) The content of dihydroactinidiolide was remarkably affected by...
  4. Tobacco Science & Technology, 2012, 10, p. 65-67, ISSN.1002-0861

    Determination of available potassium in tobacco planting soil by Flame Atomic Absorption Spectrometry

    YANG Xiaoqiu(1); WANG Jian(2); WANG Lin(2); YU Yongjie(1); WANG Xin(1)
    (1) Faculty of Chemistry and Environmental Engineering, Jianghan University, Wuhan 430056, P.R. China; (2) China Tobacco Hubei Industrial Co., Ltd., Wuhan 430051, P.R. China
    A convenient and fast method for determining available potassium in tobacco planting soil with flame atomic absorption spectrometry was developed, in which available potassium was extracted from soil samples with 1 mol/L ammonium acetate. The results...
  5. 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...
  6. 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...
  7. 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...
  8. 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...
  9. 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...
  10. 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....