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87 results

  1. CORESTA Congress, Kunming, 2018, Smoke Science/Product Technology Groups, ST 49

    Digital characterization of atomization characteristics of nozzle for tobacco casing

    ZHOU Bing(1); HE Banghua(1); LIU Ze(1); YUAN Ruibo(2); TANG Jun(1)
    (1) Technology Center, China Tobacco Yunnan Industrial Co., Ltd., Kunming, P.R. China; (2) Faculty of Mechanical and Electrical Engineering, Kunming University of Science and Technology, Kunming, P.R. China
    The atomizing process at the nozzle during application of casing materials to tobacco was investigated in order to more uniformly spray casing on tobacco and to further improve the efficiency of tobacco casing. The atomization characteristics, such as ...
  2. CORESTA Congress, Kunming, 2018, Smoke Science/Product Technology Groups, ST 50

    The development and application of near-infrared spectroscopy analysis of the network system of the tobacco leaf

    QIU Changgui(1,2); HOU Ying(1,2); YANG Shihua(1,2); YUAN Tianjun(1,2); WANG Jiajun(3); YANG Jiahong(4); SHAO Xueguang(5)
    (1) Yunnan Reascend Tobacco Technology (Group) Co., Ltd., Kunming, P.R. China; (2) Yunnan Comtestor Co., Ltd., Kunming, P.R. China; (3) Technology Center of China Tobacco Yunnan Industrial Co., Ltd., Kunming, P.R. China; (4) College of Polytechnic, Hunan Normal University, Changsha, P.R. China; (5) China Research Center for Analytical Sciences, College of Chemistry, Nankai University, Tianjin, P.R. China
    Based on the basic mode of "Internet + near-infrared fast detection technology + tobacco", the near-infrared spectroscopy analysis of the network system of tobacco leaf raw materials was constructed with the "trinity" of near infrared ...
  3. CORESTA Congress, Kunming, 2018, Smoke Science/Product Technology Groups, ST 67

    Study on combustibility and particle size distribution in smoke aerosols of cigarettes with different circumferences

    ZHU Ruizhi; SI Xiaoxi; LI Zhenjie; HE Pei; WANG Kai; YOU Junheng; JIANG Wei; SHEN Qinpeng; SU Zhongbi; LIU Zhihua
    R&D Center of China Tobacco Yunnan Industrial Co. Ltd of CNTC, Yunnan, P.R. China
    In order to investigate the effects of cigarette circumference on its combustibility and particle size distribution in smoke aerosol, the solid phase temperature of combustion cone and the gas phase temperature in filter tip of the same brand cigarettes ...
  4. CORESTA Meeting, Agronomy/Phytopathology, 2017, Santa Cruz do Sul, APPOST 13

    Fungal diversity analysis of yellow sun-cured tobacco leaves during curing

    MI Qili; QIAN Yingying; ZHU Zhouhai; GUAN Ying; GAO Qian; CHEN Jianhua; XIE Lihua; LI Xuemei; YAO Jianhua
    Yunnan Industrial Co. Ltd of CNTC, Technology Center, Kunming 650106, P.R. China
    Yellow sun-cured tobacco is a Chinese tobacco species that has been cultivated for several hundred years in China. Due to the special quality traits, yellow sun-cured tobacco is of great potential for developing Chinese style cigarettes with unique aroma ...
  5. CORESTA Meeting, Smoke Science/Product Technology, 2017, Kitzbühel, ST 52

    Investigation of nicotine release behaviour of tobacco chewing gum in oral cavity by a novel simulated oral dissolution device

    YANG Ji; YANG Liu; ZHAO Wei; TANG Jianguo; ZHOU Kun; ZHU Baokun; DUAN Yuanxing; ZHAO Yang; TIAN Yongfeng; CHEN Yongkuan; MIAO Mingming
    Yunnan Industrial Co., Ltd of CNTC, Research & Development Center, Kunming, P.R. China
    For studying the nicotine release behaviours of smokeless tobacco products in the oral cavity, a controllable and reliable method was established and a novel simulated oral dissolution device was designed. Taking the in vivo nicotine dissolution amount of ...
  6. CORESTA Meeting, Smoke Science/Product Technology, 2017, Kitzbühel, ST 61

    Application of Gibbs free energy change to evaluation of moisture retention of tobacco

    JIANG Wei; LIU Chunbo; SHEN Qinpeng; ZHANG Fengmei; WANG Jin; TANG Shiyun; ZHU Ruizhi; HE Pei; YANG Guangyu; LIU Zhihua
    Key Laboratory of Tobacco Chemistry of Yunnan Province, Research & Development Center, Yunnan Industrial Co., Ltd of CNTC, Kunming, P.R. China
    In order to evaluate the water retention of tobacco quickly and accurately, a model was developed based on water activity. Gibbs free energy change (GFEC) of tobacco was calculated according to thermodynamic correlation formula, and then the moisture ...
  7. CORESTA Meeting, Smoke Science/Product Technology, 2017, Kitzbühel, STPOST 11

    Investigation of gene expression profile of cells after e-cigarette and cigarette smoke exposure

    TIAN Yongfeng; DUAN Yuanxing; ZHAO Wei; YANG Ji; ZHAO Yang; ZHU Donglai; ZHANG Xia; GONG Xiaowei; HONG Liu; MIAO Mingming; YANG Liu; CHEN Yongkuan
    China Tobacco Yunnan Industrial Co., Ltd of CNTC, Technical and Research Center, Yunnan, P.R. China
    To evaluate the cellular damage caused by e-cigarettes (e-cigs) and combustible cigarettes with respect to inflammatory expression, comparative analysis between two types of e-cigs and three types of combustible cigarettes were conducted. The aerosol of ...
  8. CORESTA Congress, Berlin, 2016, Agronomy/Phytopathology Groups, AP 54

    The regulation of autophagy of susceptible Nicotiana tabacum under tobacco mosaic virus infection

    YANG Jinguang(1); LIU Xaingfu(1); LIU Wei(1); QIAN Yumei(1); ZHANG Jing(2); LI Wei(2); DONG Shifei(2); WANG Yaofeng(3); HUANG Mingdi(4); WANG Fenglong(1)
    (1) Tobacco Research Institute, Chinese Academy of Agricultural Sciences, Key Laboratory of Tobacco Pest Monitoring Controlling & Integrated Management, Qingdao, P.R. China; (2) Hongyun Honghe Tobacco (Group) Co., Ltd., Kunming, P.R. China; (3) Qingyang Branch of Gansu Province Tobacco Company, Xifeng, P.R. China; (4) Longnan Tobacco Company, Gansu Tobacco Cooperation, Wudu 746000, P.R. China
    Autophagy (or self-eating) is an important conserved process by which eukaryotic cells recycle intracellular components. This study was undertaken to elucidate whether tobacco mosaic virus (TMV) infection on tobacco plants induced autophagy. TMV-U1 and ...
  9. CORESTA Congress, Berlin, 2016, Smoke Science/Product Technology Groups, ST 51

    Preliminary investigation on interaction mechanism between nicotine and pepsin

    HAN Jingmei(1); LIAO Xiaoxiang(1); YUAN Dalin(1); LEI Ping(1); ZHENG Xudong(1); FAN Ying(1); SHANG Shanzhai(1); LI Zhiqiang(1); TANG Jianguo(1); LI Hui(2); CHEN Yongkuan(1)
    (1) Non-traditional Tobacco Products Institute, Technology Center, China Tobacco Yunnan Industrial Co., Ltd., Kunming, P.R. China; (2) Sichuan University, School of Chemical Engineering, Chengdu, P.R. China
    In order to investigate the absorption characteristics of the human stomach to nicotine (NIC) originating from tobacco products for oral use, different concentration levels of nicotine in a citric acid and sodium citrate buffer solution (pH = 2.0) were ...
  10. CORESTA Congress, Berlin, 2016, Smoke Science/Product Technology Groups, STPOST 11

    Quantitative discrimination of the flavour type of flue-cured tobacco and correlation between flavour type and planting area

    LI Chao(1); MIAO Mingming(1); QIN Yunhua(1); LI Exian(2); WU Yiqin(1); XU Yong(1); YANG Guangyu(1); ZHANG Chengming(1)
    (1) Cigarette Product Quality Inspection Institute, Technology Center, China Tobacco Yunnan Industrial Co., Ltd., Kunming, P.R. China; (2) Institute of Biotechnology and Genetic Resources, Yunnan Academy of Agricultural Sciences, Kunming, P.R. China
    To study the relationship between chemical composition and flavour type of flue-cured tobacco, 500 tobacco samples were collected from 29 areas in 14 Chinese provinces in 2012. A classical sampling method was applied. Following relevant methods described ...