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4 results

  1. Tobacco Science & Technology, 2012, 12, p. 52-55, ISSN.1002-0861

    Synthesis of 6-O-carboxymethyl-D-galactopyranose and its application in cigarette

    CHEN Zhifei(1); SUN Zhitao(1); LU Changtong(1); WANG Hongwei(*1); QU Zhan(2); MA Ji(2); HE Baojiang(2)
    (1) Technology Center, China Tobacco Henan Industrial Co., Ltd., Zhengzhou 450000, P.R. China; (2) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P.R. China
    6-O-Carboxymethyl-D-galactopyranose (V) was synthesized from D-galactose (I) through hydroxyl protection, nucleophilic substitution, saponification and deprotection reactions. The structures of the products of each synthesized step were characterized...
  2. 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,...
  3. Tobacco Science & Technology, 2008, 4, p. 5-8, ISSN.1002-0861

    Development and application of evaluating method for effect of single flavor on cigarette

    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, Henan, China
    In view of the absence of a generally accepted and effective method for evaluating the effect of single flavor on cigarette, a method involving sensory tester, circumstance requirement of sensory test, preparation of flavored sample, sensory test and...