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33 results

  1. Tobacco Science & Technology, 2012, 1, p. 74-77., ISSN.1002-0861

    Effects of girdling on physical characters and smoking quality of flue-cured tobacco leaves

    YANG Chunyuan
    Guizhou Tobacco Science Research Institute/China Tobacco Southwest Agricultural Experiment Station, Guiyang 550081, P.R. China
    In order to improve cultivation practices and promote leaf quality, the stalk of tobacco plant was girdled after topping. The results showed that the girdling affected physical characters and smoking quality of flue-cured tobacco leaves greatly. The ...
  2. Tobacco Science & Technology, 2012, 10, p. 31-35, ISSN.1002-0861

    Comparison of main secondary metabolite contents in flue-cured tobacco leaves from different areas in Guizhou

    GENG Zhaoliang(1); FENG Yonggang(1); XIANG Zhangmin(1); ZHANG Jie(1); CAI Kai(1); ZHU Xianling(*2)
    (1) Guizhou Tobacco Research Institute, Guiyang 550081, P.R. China; (2) Research Center of Tobacco and Health, University of Science and Technology of China, Hefei 230051, P.R. China
    In order to compare the secondary metabolite contents in flue-cured leaves from different areas in Guizhou Province, the leaf samples of C3F and B2F grades of K326, Yunyan 85, Yunyan 87, Guiyan 1 and Guiyan 201 varieties were collected from Daozhen, ...
  3. 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 chemical ...
  4. 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 mm 2, ...
  5. Tobacco Science & Technology, 2012, 11, p. 74-78, ISSN.1002-0861

    Influences of arbuscular mycorrhizal fungi on phosphorus content in tobacco planting soil and nutrition absorption of flue-cured tobacco plants

    YAO Juan(1); WANG Maosheng(2); WANG Feng(*1,3); XU Dongqing(2)
    (1) Agricultural College of Guizhou University, Guiyang 550025, P.R. China; (2) Guizhou Tobacco Science Institute, Guiyang 550081, P.R. China; (3) Qianxinan Prefecture Tobacco Company of Guizhou Province, Xingyi 562400, Guizhou, P.R. China
    In order to study the mycorrhizal effects of mycorrhizal seedling after transplanting, three nitrogen (N) levels, 45, 67.5 and 90 kg/ha, were applied in field experiments and the effects of mycorrhizal seedlings on phosphorus (P) content in soil and N and ...
  6. Tobacco Science & Technology, 2012, 3, p. 34-37., ISSN.1002-0861

    Cloning and sequence analysis of T-zds1 gene from flue-cured tobacco

    HU Zhongyi(1) ; LEI Bo(1) ; LIU Dong(2) ; CAI Liuti(1)
    (1) Guizhou Tobacco Research Institute, Guiyang 550081, P.R. China; (2) College of Agriculture, Yangtze University, Jingzhou 434023, Hubei, P.R. China
    Homology cloning and in silico cloning method were used to clone the full length cDNA sequence of tobacco zeta carotene dehydrogenase gene (named T-zds 1) from flue-cured tobacco cultivar, Jiucaiping2, and the primary and secondary structures of its ...
  7. 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 ...
  8. 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 ...
  9. Tobacco Science & Technology, 2012, 4, p. 60-66, ISSN.1002-0861

    Cloning and bioinformatics analysis of orange protein (OR) gene from Nicotiana tabacum

    LEI Bo(1); LU Kun(2); DING Fuzhang(1); LIU Xiaorong(2); HU Zhongyi(1); PAN Wenjie(1)
    (1) Guizhou Tobacco Research Institute, Guiyang 550081, P.R. China; (2) College of Agronomy and Biotechnology of Southwest University, Chongqing 400715, P.R. China
    In order to obtain the full-length sequence of NtOR and reveal its biological function, the full-length cDNA and genomic DNA sequences of NtOR were cloned from cv. K326 using homologous cloning method, and logged in GenBank (accession numbers JN379458 and ...
  10. 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 was ...