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  1. CORESTA Meeting, Smoke Science/Product Technology, 2017, Kitzbühel, STPOST 27

    The application of microwave expanded cut tobacco stem in cigarette filter

    LIU Yang; XU Lanlan; WU Jingqiang; LIU Weijuan; XIAO Weiyi; SUN Jun; JIANG Wen; XIONG Shanshan
    Yunnan Reascend Tobacco Technology (Group) Co., Ltd, Kunming, Yunnan, P.R. China
    Microwave expanded tobacco stem (METS) is a type of cigarette material with good filling and adsorption capacity and many aromatic constituents. At present, METS is mainly used to make cut stem or granules and added into the tobacco blends. METS can...
  2. Tobacco Science & Technology, 2012, 11, p. 64-68, ISSN.1002-0861

    Surface cell morphological characteristics of cured tobacco leaves from typical flue-cured tobacco growing areas in China

    GUO Weimin; ZHANG Yanling; CAI Xianjie; ZHANG Shixiang; WANG Jianwei; LIU Yang; YIN Qisheng*
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P.R. China
    In order to investigate the surface cell morphological characteristics of flue-cured leaves and their differences between growing areas in China, the surface microscopic images of C3F cured leaves collected from different typical growing areas were...
  3. Tobacco Science & Technology, 2012, 3, p. 48-51., ISSN.1002-0861

    Factors influencing determination of total volatile components in tobacco flavors

    LIU Shan(1); HU Jun(1); LIU Yang(1); HUANG Yan(2); ZHU Qinglin(3); QU Rongfen(4); LIU Yi(5); YANG Tingshu(6); XIE Jianping(1)
    (1) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P.R. China; (2) Huafang Tobacco Flavor Co., Ltd., Guangzhou 510530, P.R. China; (3) China Tobacco Anhui Industrial Co., Ltd., Hefei 230088, P.R. China; (4) Hongta Tobacco (Group) Co., Ltd., Yuxi 653100, Yunnan, P.R. China; (5) Huabao Food Flavor and Fragrance (Shanghai) Co., Ltd., Shanghai 201821, P.R. China; (6) Yunnan Reascend Tobacco Technology (Group) Co., Ltd., Kunming 650106, P.R. China
    In order to investigate the factors influencing the determination of total volatile components in tobacco flavor, 6 tobacco flavor samples including top flavors and casings were measured in 4 laboratories. The factors involved were specifications of...
  4. Tobacco Science & Technology, 2012, 3, p. 67-74, ISSN.1002-0861

    Variance analysis of carotenoid and its degradation product contents in flue-cured tobacco of different appearance

    XI Yuanxiao(1,2); LIU Yang(1); LI Feng(1); YANG Jun(1); WANG Xinmin(1); WEI Chunyang(1); SONG Jizhen(1)
    (1) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P.R. China; (2) Shandong Weifang Tobacco Company, Weifang 261061, Shandong, P.R. China
    The contents of carotenoid and its degradation products were determined by HPLC and GC/MS, respectively. The results showed that: 1) The contents of lutein, β-carotene and carotenoid increased with the darkening of leaf color, decreased with the...
  5. Tobacco Science & Technology, 2012, 6, p. 67-71, ISSN.1002-0861

    Effects of water stress on physiological and spectral characteristics of flue-cured tobacco

    LIANG Taibo(1); WANG Jianwei(1); YIN Qisheng(1); ZHANG Yanling(1); CAI Xianjie(*1); LI Haijiang(2); LIU Yang(1); ZHANG Shixiang(1)
    (1) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P.R. China; (2) Pingdingshan Tobacco Company of Henan Province, Pingdingshan 467002, Henan, P.R. China
    In order to investigate the physiological response of flue-cured tobacco to different watering conditions, the effects of water stress and water compensation on physiological characters and spectral features of flue-cured tobacco were studied with a...
  6. Tobacco Science & Technology, 2011, 2, p. 39-42., ISSN.1002-0861

    GC-MS analysis of extracts from Undaria pinnatifida and its application in cigarette

    CHANG CHENG; HU YOU-CHI; ZHAO MING-YUE; HU JUN; LIU SHAN; LIU YANG
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P.R. China
    In order to develop a new natural cigarette flavor, Undaria pinnatifida was respectively extracted by Soxhlet, microwave and supercritical CO2 fluid extractions. The obtained extracts were analyzed by GC/MS and applied into cigarette as a flavor. The...
  7. Tobacco Science & Technology, 2011, 2, p. 70-74., ISSN.1002-0861

    Comparison of carotenoid and polyphenol contents and smoking quality between different flue-cured tobacco cultivars

    XI YUAN-XIAO; SONG JI-ZHEN; YANG JUN; LIU YANG; GUO WEI-MIN
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P.R. China
    The contents of carotenoid and polyphenol in leaves of five flue-cured tobacco cultivars grown in Yunnan in 2009 were quantitatively determined with reverse phase high performance liquid chromatography, and the smoking quality of the tobacco was...
  8. Tobacco Science & Technology, 2011, 8, p. 73-78., ISSN.1002-0861

    Effects of maturity of harvested flue-cured tobacco on its polyphenol content and composition

    LIU YANG(1); GAO LI-JUN(2); CAI XIAN-JIE(1); SONG JI-ZHEN(1); YIN QI-SHENG(1); WANG WEI-CHAO(3); ZHANG YAO-XU(4)
    1. Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, P.R. China; 2. Xuchang Cigarette Factory, China Tobacco Henan Industrial Co., Ltd., Xuchang 461000, Henan, P.R. China; 3. Xiangcheng Branch of Xuchang Tobacco Company, Xiangcheng 461700, Henan, P.R. China; 4. Pingdingshan Tobacco Company, Pingdingshan 467000, Henan, P.R. China
    The polyphenol contents and composition in fresh and cured tobacco leaves harvested at different maturity stages (unripe, physiological mature, technical mature and over-ripe) were studied. The results showed that: 1) The polyphenol content topped at...
  9. CORESTA Congress, Edinburgh, 2010, PT 02

    Study on surface free energy and its components of different types of tobacco leaves

    LIU Yang; HU Jun; ZHAO Mingyue; ZENG Shitong; LIU Shan
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, Henan, China
    In tobacco manufacture, wetting, which is an important behaviour at the solid-liquid interface, is a common physicochemical phenomenon present in between essences, casing sauce, humectants or water and tobacco surface. Surface free energy (SFE) and...