Search Results

6 results

  1. Tobacco Science & Technology, 2007, 6, p. 16-20, ISSN.1002-0861.

    Development of expert system for tobacco quality evaluating and cigarette blending

    XU RUO-FEI; LIU WEI; CHEN ZHANG-YU
    Technology Center, Hongyun Tobacco (Group) Co., Ltd., Kunming, China
    In order to use tobacco leaf reasonably, adopting the method of combining information collecting and analyzing with sensory evaluating, a cigarette blending expert system including six functional modules (leaf quality evaluating, leaf group blending,...
  2. CORESTA Meeting, Smoke Science/Product Technology, Stratford-upon-Avon, 2005, SSPT 28

    Primary studies on the correlation between adverse biological effects and important harmful chemical components of smoke in cigarette safety evaluation

    YAO Jianhua; CHEN Zhangyu; WU Pingyan; WANG Baoxing; FANG Li
    Yunnan Academy of Tobacco Science, Kunming, Yunnan, China
    Objects: This study was in order to research the correlation between adverse biological effects and Important chemical components of cigarette smoke, offer benefits to the evaluation on lower hazard cigarette and definition of the target decreasing...
  3. CORESTA Congress, Kyoto, 2004, SSPT 03

    Study on the determination of polyphenols in tobacco by microcolumn high performance liquid chromatography and mass spectrometry after solid phase extraction

    WANG Lan; XU Ruofei; CHEN Zhangyu; LI Zhong
    Yunnan Academy of Tobacco Science, Key Laboratory of Chemistry & Engineering, Kunming, Yunnan, China.
    A microcolumn high performance liquid chromatography (HPLC) and mass spectrometry method for the determination of polyphenols in tobacco is studied. The polyphenols can be extracted from tobacco by refluxing in a boiling water bath with 80% methanol...
  4. CORESTA Meeting, Smoke Science/Product Technology, Freiburg, 2003, ST 07

    A study of the determination of several heavy metals in tobacco and a tobacco additive by Solid Phase Extraction and HPLC

    LIU Wei; LI Zhong; CHEN Zhangyu; WANG Baoxing; SHI Honglin; YANG Guangyu; ZHANG Yunhuai
    Yunnan Academy of Tobacco Science, Key Laboratory of Chemistry & Engineering, Kunming, Yunnan, China.
    A method for the determination of copper, nickel, tin, lead, cadmium and mercury in tobacco and a tobacco additive by solid phase extraction and high performance liquid chromatography (HPLC) has been studied. The samples were digested by microwave....
  5. CORESTA Meeting, Smoke Science/Product Technology, Freiburg, 2003, ST 08

    A determination of aromatic amines in tobacco by Solid Phase Extraction and High Performance Liquid Chromatography

    HUANG Haitao; WANG Baoxing; LIU Wei; WANG Lang; LI Zhong; CHEN Zhangyu; YANG Guangyu
    Yunnan Academy of Tobacco Science, Key Laboratory of Chemistry & Engineering, Kunming, Yunnan, China.
    A new method for the determination of aromatic amines (aniline, p-methylaniline, 2,4-dimethylaniline, 2,4,6-trimethylaniline, 1-naphthylamine, 2-naphthylamine) in tobacco by solid phase extraction and high performance liquid chromatography (HPLC) is...