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11 results

  1. Tobacco Science & Technology, 2012, 4, p. 72-75, ISSN.1002-0861

    Structural characteristic analysis and mRNA expression of Cathepsin B gene in Nicotiana tabacum

    ZHAO Min(1); WANG Changguo(1); LIU Jin(2); KOU Mingyu(1); LI Ning(1); WU Yan(1); DAI Ya(*1); XIA Qingyou(*2,3)
    (1) Technology Center of China Tobacco Chuanyu Industrial Co., Ltd., Chengdu 610066, P.R. China; (2) College of Biotechnology, Southwest University, Chongqing 400715, P.R. China; (3) Institute of Agronomy and Life Science, Chongqing University, Chongqing 400030, P.R. China
    In order to clarify the function of Cathepsin B gene (NbCathB) in Nicotiana tabacum, the sequence of NbCathB was analyzed. The NbCathB ORF (Open Read Frame) was 951 bp in length and encoded 316 amino acids with the predicted molecular weight of 35.2...
  2. Tobacco Science & Technology, 2012, 7, p. 72-75, ISSN.1002-0861

    Analysis of differential protein in tobacco leaves sprayed with microbial agent MP

    ZHAO Min(1); WANG Changguo(1); LIU Jin(2); KOU Mingyu(1); LI Ning(1); WU Yan(1); DAI Ya(*1); XIA Qingyou(*2)
    (1) Technology Center, China Tobacco Chuanyu Industrial Co., Ltd., Chengdu 610066, P.R. China; (2) College of Biotechnology, Southwest University, Chongqing 400715, P.R. China
    In order to find out the effects of Microbial agent MP (Bacillus magaterium) spraying on the quality of tobacco leaves, two-dimensional gel electrophoresis (2-DE) was used to analyze the differences of protein expression between tobacco leaves...
  3. Tobacco Science & Technology, 2011, 8, p. 35-38., ISSN.1002-0861

    Effects of steam blasting on chemical components and microscopic structure of tobacco stem

    SONG GUANG-FU(1); LI GANG(2); LI DONG-LIANG(1); WU YAN(1,3); DAI YA(1); LIU YUAN-FA(3)
    1. Technology Center of China Tobacco Chuanyu Industrial Corporation, Chengdu 610066, P.R. China; 2. Key Laboratory of Renewable Energy of Ministry of Agriculture, Henan Agricultural University, Zhengzhou 450002, P.R. China; 3. School of Food Science and Technology, Jiangnan University, Wuxi 214122, Jiangsu, P.R. China
    In order to evaluate the effects of steam blasting on the physical and chemical properties of tobacco stem, the routine chemical components, aromatic components and microscopic structure of tobacco stem blasted under different pressure conditions...
  4. Tobacco Science & Technology, 2010, 11, p. 40-42., ISSN.1002-0861

    Differences of nitrogen oxides in mainstream smoke between [Chinese] domestic and imported cigarettes

    ZHU LI-JUN(1,2); DAI YA(2); PENG ZHONG(2); TAN LAN-LAN(2); LIU SHAO-MIN(1)
    1. Research Center of Tobacco and Health, University of Science and Technology of China, Hefei 230052, P.R. China; 2. Technology Research & Development Center, China Tobacco Chuanyu Industrial Corporation, Chengdu 610066, P.R. China
    The nitrogen oxides (NOX) in mainstream smoke of 192 domestic and imported cigarette samples were determined with chemiluminescence method, and the statistical difference of NOX deliveries of cigarettes was analyzed. The results showed that: 1) The...
  5. Tobacco Science & Technology, 2008, 5, p. 5-8, ISSN.1002-0861

    Application of a Complex Biochemical Agent in Cigarette Harmful Component Reducing

    DAI YA; WANG CHANG-GUO; ZHU LI-JUN
    Chuanyu Branch of China Tobacco Industrial Corporation, Chengdu, China
    Ketones, phenols and their derivatives (referred as KPs) were extracted from natural plants with ultrasonic-organic solvent technology. Stable porphyrin compounds, HPs, were made from the haematochrome extracted from fresh animal blood with acidic...
  6. Tobacco Science & Technology, 2007, 3, p. 36-8, ISSN.1002-0861

    Determination of available and slow-release potassium in tobacco field soil with flow autoanalyzer

    LU XIANG-MIN; WANG PENG; DAI YA
    Chongqing Tobacco Industrial Co. Ltd, Chongqing, China
    The available potassium (AP) and slow-release potassium (SRP) in tobacco field soil were determined with a flow autoanalyzer. The results indicated that the RSD and recovery of AP and SRP were ≤ 1.11% and 94.9%-102.6% and ≤ 2.55% and 95.2%-103.1%,...