Search Results

52 results

  1. CORESTA Congress, Paris, 2006, AP 26

    Specific molecular markers of biocontrol fungus Pochonia chlamydospora ZK7 for tobacco root-knot nematode

    ZHU Mingliang; XIA Zhenyuan; YANG Shujun; LI Yunhua; ZHANG Keqin
    Yunnan Tobacco Science Research Institute, Yuxi, Yunnan, China.
    Biocontrol fungus Pochonia chlamydospora ZK7 are highly effective in the biological control against root-knot nematodes infecting tobacco. To obtain the specific molecular marker of P. chlamydospora ZK7, distinct and reproducible molecular fingerprints of ...
  2. CORESTA Congress, Paris, 2006, APOST 02

    Physiological and ecological effects of different soil temperatures on flue-cured tobacco root system

    YI Jianhua; JIA Zhihong; SUN Zaijun
    Technical Center of Changsha Cigarette Factory, Changshai, Hunan, China.
    Accordingly, it is of importance to study the action mechanisms of soil temperature on the growth of flue-cured tobacco in order to avoid disease incidences. The mulching methods with different covering and mulching materials were adopted to adjust root ...
  3. CORESTA Congress, Paris, 2006, PT 10

    Classification of the contaminant in the cigarette wrap paper using PLA-DA algorithm with near infrared spectra

    DU Wen; REN Jianxin; LI Shaoye; ZHANG Wenli
    Changsha Technology Center of CNTC, Changsha, Hunan, China.
    To classify the contaminant in the cigarette wrap paper, PLS-DA model was established with the near infrared reflection spectra. Standard samples were prepared by painting possible oil contaminant (lubricant, vacuum oil, lecithin, etc.) on the clean wrap ...
  4. CORESTA Congress, Paris, 2006, PT 18

    Analysis of neutral chemical constituents in flue-cured tobacco by GC×GC-TOFMS and GC-MS

    LU Hongliang; ZHAO Mingyue; LIU Huimin; YANG Shuyuan; CAI Junlan; ZHENG Hunan; LIANG Lili
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, Henan, China
    Tobacco is a complex chemical matrix, thousands of constituents have been confirmed. Neutral Chemical Constituents play important roles in cigarette taste. In this paper, the neutral fraction in flue-cured tobacco extracted by SDE (simultaneous ...
  5. CORESTA Congress, Paris, 2006, SS 11

    A novel method for reducing harmful components in mainstream cigarette smoke with nanometer material

    ZHOU Jun; BAI Ruosi; YI Xiaoli; YAN Lihong; ZHU Yongfa
    Beijing Cigarette Factory of CNTC, Beijing, China.
    It is a great challenge to selectively reduce the harmful components in cigarette smoke for tobacco scientists. We have prepared a kind of nanometer material that can be well scattered in water and alcohol and its modified type that can be well scattered ...
  6. CORESTA Congress, Paris, 2006, SS 26

    Characterization of cytotoxicity and gene expression profiles in BALB/c-3T3 cells exposed to whole smoke from a full-flavor or two PREP cigarettes

    MENG Q.R.; LU Binbin; WISSE L.; KEREPESI L.; HITCHMAN K.
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, Henan, China
    The purpose of this study was to evaluate and compare the cytotoxicity and gene expression profiles in cell cultures exposed to whole smoke generated from a full-flavor cigarette or two Potential Reduced-Exposure Products (PREPs). Test 1 cigarette is a ...
  7. CORESTA Congress, Paris, 2006, SSPOST 01

    Determination of starch in tobacco with enzymatic hydrolysis-continuous flow method

    NIE Cong; WU Ming; ZHANG Wei; MENG Qingnai; LIU Huimin
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, Henan, China
    An enzymatic hydrolysis- continuous flow method for the determination of starch in tobacco was developed. The tobacco products were smashed and filtered by 100 mesh sieve. The water-soluble sugars in tobacco were extracted with an 85% aqueous ethanol ...
  8. CORESTA Congress, Paris, 2006, SSPOST 02

    Effective trapping and degradation of nitrosamine from the tobacco smoke

    WANG Ying; CAO Yi; ZHU Jianhua; GAO Lin; YANG Zhanping; CAO Jianhua; MA Xiaolong
    Nanjing University, School of Chemistry and Chemical Engineering, Nanjing, China.
    Cyclodextrin is one of the most potential hosts in supramolecular chemical field. The objective of the presentation is to describe the study on adsorption and degradation of nitrosamine within cyclodextrin. Tobacco smoke contains various harmful compounds ...