Help

Search Results

73 results

  1. CORESTA Meeting, Agronomy/Phytopathology, Rovinj, 2009, AP 23

    Uncultivated bacterial diversity and phylogenetic analysis in flue-cured tobacco

    DUAN Yanqing; WU Yi; ZENG Xiaoying; ZHE Wei; GONG Xiaowei; YANG Jinkui; LI Qinhua
    Technology Center of Hongyun Honghe Tobacco (Group) Co, Ltd., Kunming, China
    There are lots of uncultivated bacteria in flue-cured tobacco, the species and roles of these bacteria in aging process of tobacco are unknown. Bacterial diversity of the flue-cured tobacco K326 (C3F) was studied using the culture-independent method...
  3. TSRC, Tob. Sci. Res. Conf., 2009, 63, abstr. 70

    Characterization of a novel nicotine-degrading Bacterium Rhodococcus sp. Y22 and its metabolic pathway

    DUAN YANQING; ZENG XIAOYING; ZHE WEI
    Technology Center, Hongyun Honghe Tobacco Co., LTD., Kunming, China
    A novel nicotine- degrading bacterium, strain Y22, was isolated from tobacco plantation soil and identified as Rhodococcus sp. based on 16S rDNA sequence and on morphological and biochemical features. The isolate could utilize nicotine as sole...
  4. Tobacco Science & Technology, 2009, 10, p. 45-9, ISSN.1002-0861

    Determination of benzene and its homologues in water-based emulsion adhesives for cigarette with gas chromatography/mass spectrometry under selected ion monitoring mode

    LI GUO-ZHI; YANG REN-LI; SHI JIAN-QUAN
    Technology Center of Hongyun-Honghe Tobacco Group, Mile, Yunnan, China
    In order to determine benzene and its homologues in water-based emulsion adhesives for cigarette, the adhesive was dissolved by methyl acetate, ethyl acetate, butyl acetate, propylene glycol monomethyl ether, ethylene glycol monomethyl ether, N,...
  6. Tobacco Science & Technology, 2009, 5, p. 48-51, ISSN.1002-0861

    Enzyme activities in flue-cured tobacco and their correlations with tobacco grades and aging duration

    ZENG XIAO-YING; YANG JIN-KUI; DUAN YAN-QING
    Technology Center of Hongyun Honghe Tobacco (Group) Co, Ltd., Kunming, China
    Four enzymes (protease, cellulase, amylase and sucrase) in Yunnan flue-cured tobacco cv. K326 of different grades sampled at different intervals during aging were examined. The results showed that the activities of protease, amylase, cellulase and...
  8. Tobacco Science & Technology, 2008, 4, p. 39-41, ISSN.1002-0861

    Effects of pH value of cut tobacco on nicotine in and smoking quality of cigarette smoke

    DUAN YAN-QING; YANG TAO; ZHE WEI
    Technology Center, Hongyun Tobacco (Group) Co., Ltd., Kunming, China
    In order to investigate the effects of pH value of cut tobacco on nicotine in and smoking quality of cigarette smoke, cut tobacco of two brands of cigarette was treated with 0.2 mol/L HCl and 0.5 mol/L NaOH aqueous solutions, respectively, and then...
  9. Tobacco Science & Technology, 2007, 3, p. 31-35, ISSN.1002-0861

    Transfer of near infrared calibration models combining with Karl Norris derivative filter and principal component analysis

    WANG JIA-JUN; LIU WEI
    Products Research Center of Honghe Cigarette Factory, Mile, Yunnan, China
    Of the 153 representative flue-cured tobacco samples scanned using Nicolet Antaris and PE Spectrum One NTS-NIR Spectrometer as source and target meters, respectively, the NIR spectral data of 120 samples were pretreated by Karl Norris derivative...
  10. 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,...