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44 results

  1. Tobacco Science & Technology, 2012, 10, p. 36-40, ISSN.1002-0861

    Application of multiple factor analysis (MFA) in cigarettes style character analyzing

    LU Longjian(1); CHEN Lei(2); YU Ling(3); WU Da(*3); WANG Mingfeng(4); LIU Baizhan(3); ZHU Zhongliang(*1)
    (1) Department of Chemistry, Tongji University, Shanghai 200092, P.R. China; (2) Shanghai Peony Flavor & Fragrance Co., Ltd., Shanghai 201203, P.R. China; (3) Shanghai Tobacco Group Co., Ltd., Shanghai 200082, P.R. China; (4) Hongyun Honghe Tobacco (Group) Co., Ltd., Kunming 650202, P.R. China
    To analyze the character of cigarettes style, the chemical components in smoke of six cigarette brands from Shanghai, Yunnan and Henan were grouped into 4 categories (spicy, sweet, fruit and fresh notes) according to their flavor characters. The...
  2. 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...
  3. Tobacco Science & Technology, 2012, 11, p. 69-73, ISSN.1002-0861

    Geostatistics-based evaluation of main nutrients in Qujing tobacco planting soil

    LI Qiang(1); ZHOU Jiheng(*1,2); ZHANG Yiyang(1); ZHANG Zhengyan(2); XIE Yan(2)
    (1) Tobacco Research Institute, Hunan Agricultural University, Changsha 410128, P.R. China; (2) Qujing Branch of Yunnan Province Tobacco Company, Qujing 655000, Yunnan, P.R. China
    In order to investigate the spatial distribution of main nutrients in tobacco planting soil, 3650 soil samples were collected with GPS technique in Qujing. The overall characteristics and spatial variation of main nutrients in the soil were analyzed...
  4. Tobacco Science & Technology, 2012, 2, p. 75-79., ISSN.1002-0861

    Occurrence regularity of Heliothis assulta Guenée in Hunan and forecast thereof

    LONG Xiao(1); ZENG Aiping(1,2); ZHOU Zhicheng(2); CHEN Yongnian(1); HU Risheng(2); LONG Jianzhong(3); LI Xiaoyi(4); WU Chune(5)
    (1) College of Bio-Safety Science and Technology, Hunan Agricultural University, Changsha 410128, P.R. China; (2) China Tobacco South Experimental Station, Changsha 410128, P.R. China; (3) Ningyuan County Tobacco Company, Ningyuan 425600, Hunan, P.R. China; (4) Chenzhou Tobacco Company, Chenzhou 423000, Hunan, P.R. China; (5) Jianghua County Tobacco Company, Jianghua 425500, Hunan, P.R. China
    In order to effectively control Heliothis assulta Guenée, its regularity of occurrence and forecasting were studied on the basis of years’ records collected from each monitoring point in tobacco planting areas in Hunan. The results showed that the...
  5. Tobacco Science & Technology, 2012, 4, p. 5-8, ISSN.1002-0861

    Characterization of cut tobacco size distribution based on fractal theory

    YU Na(1); SHEN Xiaofeng(2); XU Dayong(1); LI Huajie(3); CHANG Mingbin(3); DU Jinsong(1)
    (1) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P.R. China; (2) Technology Center of Hongyun Honghe Tobacco (Group) Co., Ltd., Kunming 650202, P.R. China; (3) Technology Center of China Tobacco Fujian Industrial Co., Ltd., Xiamen 361004, Fujian, P.R. China
    In order to study the characteristics of cut tobacco size distribution, the correlation equation of accumulative mass percentage of cut tobacco under test sieve versus fractal dimension was derived, and the relationship between loss of tobacco from...
  6. Tobacco Science & Technology, 2012, 4, p. 56-59, 66, ISSN.1002-0861

    Analysis of residues of famoxadone and fenamidone in tobacco

    ZHU Baokun(1); LIAO Yuqi(2); JIANG Juxing(1); WANG Sujuan(1); LIU Ya(1); XIA Jianjun(*1)
    (1) Hongyun-Honghe Tobacco (Group) Co., Ltd., Kunming 650202, P.R. China; (2) School of Chemical Science and Technology, Yunnan University, Kunming 650091, P.R. China
    A method for fast testing the famoxadone and fenamidone residues in tobacco leaves with ultra-high performance liquid chromatography was developed by using acetonitrile as an extraction solvent. Twenty-two flue-cured tobacco samples were tested. The...
  7. Tobacco Science & Technology, 2012, 5, p. 5-9, 23, ISSN.1002-0861

    Secondary casing application in Virginia type cigarette

    YAN Keliang(1); WU Yi(1); ZENG Xiaoying(1); XU Guowang(2); WANG Chao(1); HU Weiyao(1); LI Qinghua(1)
    (1) Technology Center, Hongyun Honghe Tobacco (Group) Co., Ltd., Kunming 650202, P.R. China; (2) National Chromatographic Research & Analysis Center, Dalian Institute of Chemical Physics, CAS, Dalian 116023, Liaoning, P.R. China
    In order to study the secondary casing (adding functional casing and brand specific casing) application in Virginia type cigarette, the appropriate blending proportion of three biological agents was investigated, the mechanism of functional casing...
  8. Tobacco Science & Technology, 2012, 6, p. 76-79, ISSN.1002-0861

    Microstructure differentiation of middle leaves among flue-cured tobacco cultivars

    HUANG Yong(1); HE Xiaoli(2); ZHANG Wei(1); ZHOU Jiheng(*1)
    (1) College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha 410128, P.R. China; (2) Experimental Center, Hunan Agricultural University, Changsha 410128, P.R. China
    For investigating the differences in leaf microstructure among flue-cured tobacco cultivars, the microstructures of mature middle leaves of cv. K326, Honghuadajinyuan (HD), Yunyan87 (Y87), Yunyan85 (Y85), G80, Zhongyan14 (Z14) and Xiangyan1 (X1)...
  9. Tobacco Science & Technology, 2012, 7, p. 61-65, ISSN.1002-0861

    Synergic mutagenicity of NNK and B[a]P in matrix of cigarette smoke

    MU Ying(1,2); PAN Xiujie(1); YANG Zhihua(1); QI Shaowu(*2); ZHU Maoxiang(*1)
    (1) Beijing Institute of Radiation Medicine, Academy of Military Medical Sciences, Beijing 100850, P.R. China; (2) Research Center of Tobacco Engineering and Technology, Hunan Agricultural University, Changsha 410128, P.R. China
    Taking B[a]P (benzo[a]pyrene) and NNK [4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone] as the target compounds, setting the concentration of cigarette smoke condensate (CSC) at 0 (CK), 0.0050, 0.010, 0.015, 0.020 mg/mL, that of NNK at 0 (CK), 0.005,...
  10. Tobacco Science & Technology, 2012, 7, p. 76-80, 90, ISSN.1002-0861

    Combining ability of potassium content in new flue-cured tobacco cultivars of high potassium efficiency at different potassium application levels

    PAN Zhu; DAI Linjian*; WU Chenglin
    Department of Tobacco, College of Agronomy, Hunan Agricultural University, Changsha 410128, P.R. China
    To select parent tobacco with combining abilities of high potassium content, the combining abilities of 6 flue-cured tobacco genotypes with high potassium efficiency at different potassium application levels were investigated by incomplete diallel...