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...
  2. CORESTA Meeting, Smoke Science/Product Technology, Aix-en-Provence, 2009, SSPT 02

    Investigation of filter temperatures and desorption of volatiles from carbon filters under different smoking regimes

    TEILLET B.; MÜLLER C.; CAHOURS X.; PURKIS S.
    Imperial Tobacco Group, Seita Research Centre, Fleury-les-Aubrais, France
    There is a current regulatory interest in smoke yields obtained under both ISO and more intense smoking regimes and the relative advantages or disadvantages of using each regime. Smoke temperatures in filters of 1-mg and 13-mg ISO "tar" products were...
  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,...
  5. 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...