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3 results

  1. CORESTA Meeting, Smoke Science/Product Technology, 2011, Graz, ST 13

    Determination of tobacco specific N-nitrosamines in smokeless tobacco products by liquid chromatography-tandem mass spectrometry

    YANG Chun-qiang; ZHANG Jie; LI Peng; WANG Yue-xia; ZONG Yong-li; XIE Jian-ping
    Zhengzhou Tobacco Research Institute, Zhegzhou, Henan, P.R. China.
    Tobacco specific N-nitrosamines (TSNAs) are the most abundant carcinogens identified in smokeless tobacco products. The accurate determination of TSNAs is significant to assess the health risk of smokeless tobacco products. A liquid chromatography ...
  2. CORESTA Meeting, Smoke Science/Product Technology, Aix-en-Provence, 2009, SSPT 24

    Novo435® lipase-catalyzed biosynthesis of glucose esters

    LI Peng; DING Li; ZENG Shitong; ZONG Yongli; SONG Yubing; YANG Chunqiang
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, Henan, China
    In order to develop novel flavour enhancers for tobacco, a series of biosynthesis experimentations were carried out by using 6 common organic acids (iso-pentanoic acid, n-hexanoic acid, n-octanoic acid, lauric acid, propanedioic acid and malic acid) and ...
  3. CORESTA Meeting, Smoke Science/Product Technology, Aix-en-Provence, 2009, SSPT 35

    Characterization of water distribution in cut tobacco using a low-field 1H NMR technique

    MA Ji; HA Baojiang; LI Peng; GUO Xueke; SUN Shihao; YANG Chunqiang; LI Yanqiang; ZONG Yongli; QU Zhan
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, Henan, China
    Cut tobacco was studied by low-field 1H NMR at various water contents and temperatures. The spin-spin relaxation times (T2) were measured with Carr-Purcell-Meiboom-Gill (CPMG) sequences. Three populations were observed in cut tobacco, namely, population ...