Search Results

7 results

  1. CORESTA Congress, Online, 2022, Smoke Science/Product Technology Groups, ST 19

    Interaction mechanisms between S/R-nicotine and human serum albumin

    YANG Ji; LIU Chunbo; ZHU Ruizhi; YIN Zhijiang; LIU Ze; TIAN Ran; TANG Shiyun; XIA Jianjun; SI Xiaoxi;JIANG Wei; LI Zhengjie; LIU Zhihua
    Technology Center of China Tobacco Yunnan Industrial Co., Ltd., Kunming, China
    Nicotine is an asymmetric molecule with two enantiomers, namely S-nicotine and R-nicotine.  Studies have shown that different configurations of nicotine have different physiological activities in the body.  Therefore, taking human serum...
  2. CORESTA Congress, Online, 2022, Smoke Science/Product Technology Groups, ST 80

    Analysis of absorption hysteresis of different cigarette blends based on adsorption thermodynamics method

    QIU Changgui(1,2); LIU Ze(3); WEI Qing(1); HE Banghua(3); YANG Qianxu(3); LIU Jing(1,2); LI Siyuan(4); WANG Zeyu(4); ZUO Wen(4); YANG Lan(4); GUO Miaomiao(3)
    (1) Yunnan Reascend Tobacco Technology (Group) Co., Ltd., Kunming, China; (2) Yunnan Comtestor Co., Ltd., Kunming, China; (3) China Tobacco Yunnan Industrial Co., Ltd., Kunming, China; (4) Hongyun Honghe Tobacco (Group) Co., Ltd., Kunming, China
    In order to study the isothermal adsorption characteristics for cut tobacco, cut stem and cut reconstituted tobacco, the adsorption hysteresis was quantified using the definite integral expression of GAB model, and the isosteric adsorption heat of...
  3. CORESTA Meeting, Smoke Science/Product Technology, 2019, Hamburg, ST 27

    Determination of petroleum ether extracts in flue-cured tobacco leaves by NIR combined with random frog wavelength selection method

    QIU Changgui(1,2); LIU Ze(3); CHEN Shi(4); LIU Jing(1,2); WANG Jiajun(3); ZHANG Wen(1,2); YANG Panpan(1,2)
    (1) Yunnan Reascend Tobacco Technology (Group) Co., Ltd., Kunming, P.R. China; (2) Yunnan Comtestor Company, Kunming, P.R. China; (3) Technology Center, China Tobacco Yunnan Industrial Co., Ltd., Kunming, P.R. China; (4) Bijie Cigarette Factory, China Tobacco Guizhou Industrial Co., Ltd., Bijie, P.R. China
    In order to improve the prediction accuracy and model stability for quantitative calibration in near infrared spectroscopy, the random frog wavelength selection method combined with partial least squares (PLS) was employed to establish the prediction...
  4. 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...
  5. CORESTA Meeting, Smoke Science/Product Technology, 2015, Jeju, ST 27

    Analysis of process intensity on tobacco moisture retention based on uniform design

    LI Wenjuan(1); ZHOU Fangfang(1); LONG Minghai(1); ZI Wenhua(1); JIANG Meihong(1); LIU Ze(2)
    (1) Yunnan Reascend Tobacco Technology (Group) Co., Ltd., Kunming, Yunnan, P.R. China; (2) Hongyun Honghe Group, Kunming, Kunming, P.R. China
    Tobacco moisture retention provides essential information about moisture adsorption behaviour and physical characteristics of cigarette formulating, which also influence cigarette aroma and smoking quality. Effect of the intensity of the casing...
  6. CORESTA Meeting, Smoke Science/Product Technology, 2013, Seville, ST 11

    Research on dynamic changes of cut tobacco physical and chemical properties during the over-drying process

    QIU Changgui(1); FENG Wenchao(1,3); LIU Ze(2); ZHU Yong(2); HE Banghua(2); WANG Hui(2); LI Jun(1); HOU Ying(1)
    (1) Yunnan Reascend Tobacco Technology (Group) Co., Ltd., Kunming, P.R. China; (2) Technology Centre of Hongyun Honghe Tobacco (Group) Co., Ltd., Kunming, P.R. China; (3) Faculty of Chemical Engineering, Kunming University of Science and Technology, Kunming, P.R. China
    In order to investigate the dynamic changes of cut tobacco physical and chemical properties during the over-drying process, the moisture content, the filling values, the microstructure, the routine chemical components, the polyphenols content and the...
  7. CORESTA Congress, Shanghai, 2008, AP 11

    Research on X-ray attenuation method for non-destructive detection of lamina density variation rate (DVR) in cases

    LI Bin; FENG Qian; LIU Gangyi; LIU Ze; HU Qixiu; CHEN Liangyuan
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, Henan, China
    The density deviation is one of the significant factors that influences the tobacco aging and primary process. For example, the phenomena of oil loss, caking, or even carbonization takes place easily in the aging process because of the large density...