Search Results

10 results

  1. 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 ...
  2. 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 ...
  3. CORESTA Congress, Paris, 2006, SS 30

    Human bronchial epithelial cell transcriptome: gene expression changes following acute exposure to whole cigarette smoke in vitro

    PATWARDHAN S.; MAUNDERS H.; PHILLIPS J.; CLACK A.; RICHTER A.
    Advanced Technologies Ltd., Cambridge, UK
    Cigarette smoke is a complex mixture of over 4000 constituents. Its effects on cell biology are poorly understood, partly because whole smoke exposure in vitro is technically challenging. To investigate the effects of smoke on cell signalling and function ...
  4. 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 ...
  5. Tobacco Science & Technology, 2006, 1, p. 10-14, ISSN.1002-0861

    Prediction of structure and oil of flue-cured tobacco with near-infrared reflectance

    ZHOU HAN-PING; WANG XIN-MIN; SONG JI-ZHEN
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, Henan, China
    The leaf structure and oil of 250 samples of flue-cured tobacco were valued with the appearance quality evaluation method, the samples were scanned in a wavelength range of 3500-12000 cm-1 with near infrared (NIR) spectrometer, further, the NIR predicting ...
  6. Tobacco Science & Technology, 2006, 11, p. 49-52, ISSN.1002-0861

    Contents and distribution of Pb, Cd and As in Chinese tobacco leaves

    ZHANG YAN-LING; YIN QI-SHENG; ZHOU HAN-PING
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, Henan, China
    The contents and distribution of Pb, Cd and As in 497 flue-cured and 17 Burley tobacco leaf samples collected from major tobacco production regions of China in 2004 were studied. The results suggested that in most flue-cured tobacco samples, the contents ...
  7. Tobacco Science & Technology, 2006, 4, p. 27-30, ISSN.1002-0861

    Determination of sulfur-containing organophosphorus pesticide residues in tobacco

    ZHANG WEI; TANG GANG-LING; LIU HUI-MIN
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, Henan, China
    The residues of seven sulfur-containing organophosphorus pesticides, including diazinon, parathion-methyl, chlorpyriphos, fenitrothion, malathion, ethylparathion and fenthion, in 239 domestic and 49 imported tobacco leaf samples and 12 imported cigarette ...