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271 results

  1. Tobacco Science & Technology, 2012, 7, p. 17-23, ISSN.1002-0861

    Correlation analysis between appearance quality and sensory quality of Henan flue-cured tobacco

    YAN Hongyang(1); YAN Hongxi(2); JI Songyi(*3,4); HAN Ming(5); LEI Jinshan(6); YAN Keyu(7)
    (1) Staff Dev. Inst. of CNTC, Zhengzhou 450008, PRC; (2) Hangzhou Cig. Factory, CNTC Zhejiang Ind. Co., Ltd., Hangzhou 310008, PRC; (3) CNTC Yunnan Kunchuan Reascend Science & Technology Co., Ltd., Kunming 650106, PRC; (4) Yunnan Reascend Tobacco Technology (Group) Co., Ltd., Kunming 650106, PRC; (5) Anyang Cig. Factory, CNTC Henan Ind. Co., Ltd., Anyang 455004, PRC; (6) Changcheng Cigar Factory, CNTC Chuanyu Ind. Co., Ltd., Shifang 618400, PRC; (7) Zhengzhou Uni. of Light Industry, Zhengzhou 450002, PRC
    Taking a complete set of grading national standard samples of Henan flue-cured tobacco duplicated from the national standards as experimental material, the appearance and sensory qualities of each grade sample were quantitatively evaluated according...
  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, 2012, 9, p. 47-50, ISSN.1002-0861

    Application of electronic nose in quality control of tobacco flavor

    JIANG Jian(1); YANG Jun(1); HUANG Fangfang(1); TANG Cunxiao(2); HE Jinzhe(2); SUN Peilong(2)
    (1) China Tobacco Zhejiang Industrial Co., Ltd., Hangzhou 310009, P.R. China; (2) Food Department, College of Biology and Environmental Engineering, Zhejiang University of Technology, Hangzhou 310014, P.R. China
    Nine tobacco flavor samples were detected by an electronic nose, the obtained data were analyzed with principal component analysis (PCA) and discriminant factor analysis (DFA). The models of quality control were established, and the quality...
  4. Tobacco Science & Technology, 2012, 9, p. 58-62, ISSN.1002-0861

    Selective removal of hydrogen cyanide from cigarette smoke by combined filter of coptis alkaloid

    WU Jinfeng(1,2); LI Xuegang(1); WANG Peng(3); PENG Zhong(3); LAN Zhongyu(3); ZHENG Lifeng(2)
    (1) College of Pharmaceutical Sciences, Southwest University, Chongqing 400715, P.R. China; (2) Chongqing Cigarette Factory, Chongqing Tobacco Industrial Co., Ltd., China Tobacco Chuanyu Industrial Co., Ltd., Chongqing 400061, P.R. China; (3) Department of Technology, Chongqing Tobacco Industrial Co., Ltd., China Tobacco Chuanyu Industrial Co., Ltd., Chongqing 400060, P.R. China
    Coptis alkaloids were extracted from rhizome of Coptis chinensis rich in quaternary ammonium hydroxide and added into cigarette filter. On the basis of the reduction of hydrogen cyanide delivery in cigarette smoke, the way of coptis alkaloid adding...
  5. Tobacco Science & Technology, 2012, 9, p. 75-81, ISSN.1002-0861

    Cloning and sequence analysis of carotenoid cleavage dioxygenase gene from Nicotiana tabacum

    GAO Junping(1); WANG Genhong(1,2); CHENG Tingcai(1,2); DUAN Jun(1,2); XIA Qingyou(*2)
    (1) Institute of Agriculture and Life Science, Chongqing University, Chongqing 400044, P.R. China; (2) State Key Laboratory of Silkworm Genome Biology, Southwest University, Chongqing 400715, P.R. China
    In order to reveal the function of carotenoid cleavage dioxygenases (CCDs) in the growth and development of tobacco plants, a CCD4 (NtCCD4) gene was cloned from Samsun oriental tobacco by RT-PCR. According to sequence analysis, with a coding sequence...
  6. CORESTA Meeting, Agronomy/Phytopathology, 2011, Santiago, APOST 07

    Comparative transcriptome of tobacco leaves in typical ecological areas of Guizhou

    LEI Bo(1); PAN Wenjie(1); DING Fuzhang(1); ZHANG Kai(2); LI Jinxin(3); LU Ku(2)
    (1) Guizhou Tobacco Research Institute, Guiyang, P.R China; (2) College of Agronomy and Biotechnology, Southwest University, Chongqing, P.R China; (3) Guizhou Provincial Tobacco Company, Guiyang, P.R China
    Flue-cured tobacco (Nicotiana tabacum) is a sensitive crop to ecological environment, and distinctive tobacco has always formed under special ecological conditions. In order to investigate the molecular mechanism of formation of medium and light...
  7. CORESTA Meeting, Smoke Science/Product Technology, 2011, Graz, STPOST 07

    Evaluation of the diagnostic accuracy of a candidate biomarker to detect use of conventional cigarettes in users of tobacco products that do not burn tobacco

    (1) Clinopsis SA, Concise, Switzerland; (2) Philip Morris International R&D, Philip Morris Products S.A., Neuchâtel, Switzerland
    Objective: In clinical studies to assess alternative tobacco products that heat rather than burn tobacco, a compliance biomarker is needed to detect the additional use of conventional cigarettes. Standard biomarkers of exposure to cigarette smoke...
  8. CORESTA Congress, Edinburgh, 2010, PT 11

    A novel polycationic composite material with moisture retention ability applied to reduce phenolic compounds in cigarette smoke

    ZHOU Guojun; JIN Xin; LIU Jinli; ZHANG Jixiu; SHEN Kai; JIANG Jian; LIN Xianfu
    Technology Center, China Tobacco Zhejiang Industrial Co. Ltd, Hangzhou, China
    Phenolic compounds, such as phenol, cresols, catechol and resorcinol, are included in the so-called "Hoffmann" list of the most hazardous compounds found in cigarette smoke. It is considered desirable to potentially reduce the delivery of these...
  9. TSRC, Tob. Sci. Res. Conf., 2010, 64, abstr. 37

    A review of the literature on the degree of "compensatory" smoking of low-delivery cigarettes

    Carson Watts Consulting, King, NC, USA; Philip Morris International Management SA, Neuchâtel, Switzerland
    To review trends in measures of compensatory smoking behavior over time and by method of assessment.Introduction. An analysis of the papers published on "compensatory" smoking, observed when smokers switch to lower-yielding products from...
  10. Tobacco Science & Technology, 2010, 6, p. 77-81., ISSN.1002-0861

    Influences of carbendazim on AM fungus infected tobacco seedlings and mycorrhizal effect

    1. College of Resources and Environmental Sciences, Southwest University, Chongqing 400716, P.R. China; 2. Yunnan Academy of Tobacco Agricultural Sciences, Yuxi 653100, P.R. China
    In order to investigate the influences of carbendazim on AM fungus infected tobacco seedlings and mycorrhizal effect, the experiment of AM fungus inoculating and carbendazim applying was conducted in a seedling floating system. The results showed...