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84 results

  1. 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 source of ...
  2. 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, N ...
  3. 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 sucrase ...
  4. 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 the pH ...
  5. 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 filter ...
  6. 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, data ...
  7. CORESTA Congress, Kyoto, 2004, A 02

    Decision support system for soil fertility and water quality - evaluation in FCV tobacco- growing zones of India

    KRISHNAMURTHY V.; RAVISANKAR H.; DEO SINGH K.
    Central Tobacco Research Institute (CTRI), Rajahmundry (A.P.) India
    Information Technology has become an integral part of our day-to-day life. In agriculture, computers are extensively used to disseminate the information on soils, water, climatic conditions, pest and disease management and one such information system is ...