Search Results

349 results

  1. CORESTA Meeting, Agronomy/Phytopathology, 2019, Victoria Falls, AP 29

    Construction of green flue-cured tobacco strips aging technology based on four-stage controlled atmosphere method

    HE Wei(1); MU Wenjun(2); FAN Jianqiang(1); BAO Kexiang(1); CHEN Yiqiang(1); LIN Jian(1); QI Lingfeng(1); ZHANG Ruiqiang(1); ZHANG Zengji(1); GUO Jianhua(2); SONG Jizhen(2); WANG Chunlu(3); FAN Tiantian(3)
    (1) Fujian Tobacco Industry Co., Ltd., Xiamen, P.R. China; (2) Key Laboratory of Eco-environment and Leaf Tobacco Quality, Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, P.R. China; (3) Beijing Yingfeng Litai Technology & Trade Co., Ltd., Beijing, P.R. China
    Aging of flue-cured tobacco strips plays an important role in improving the quality and use value of tobacco. Natural aging is the most widely used storage method at present, but there are still some problems, such as shorter suitable aging duration, easy ...
  2. CORESTA Meeting, Smoke Science/Product Technology, 2019, Hamburg, ST 26

    Digital evaluation of tobacco style and quality by using a support vector machine algorithm with thermal analysis spectra

    LI Qiaoling(1); YIN Chao(2); ZHENG Quanxing(1); YU Yumei(1); LIU Xiucai(1); DENG Xiaohua(1); ZHANG Tinggui(1); ZHONG Jiawei(1); WANG Le(3); XU Hanchun(1); LIN Kai(1); MA Pengfei(1); HUANG Chaozhang(1); LI Bin(3); WU Anan(2)
    (1) Technology Center, China Tobacco Fujian Industrial Co., Ltd., Xiamen, Fujian, P.R. China; (2) College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, Fujian, P.R. China; (3) Key Laboratory of Tobacco Processing Technology of CNTC, Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, P.R. China
    In the processes of tobacco blend design and product maintenance of cigarettes, the evaluation of tobacco style and quality is very important. At present, the evaluation method mainly relies on artificial sensory analysis, which is subjective and ...
  3. CORESTA Meeting, Smoke Science/Product Technology, 2019, Hamburg, ST 29

    Thermochemical and thermophysical mapping of burning superslim and kingsize cigarettes

    EHLERT S.(1,3); CUI H.(2); HEIDE J.(3); XIE F.(2); DENG N.(2); LIU C.(4); McADAM K.(4); WALTE A.(1); ZIMMERMANN R.(3)
    (1) Photonion GmbH, Schwerin, Germany; (2) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, Henan, P.R. China; (3) University of Rostock, Dept. of Analytical Chemistry, Rostock, Germany; (4) British American Tobacco, R&D Centre, Southampton, U.K.
    After presenting and publishing the proof of principle of the in-situ thermochemical and thermophysical mapping inside a burning Super Slim (SS) cigarette, we now extended the study scope to other cigarette formats and smoking regimes [1]. A Chinese ...
  4. CORESTA Meeting, Smoke Science/Product Technology, 2019, Hamburg, ST 42

    Study on aerosol deposition in the respiratory tract of consumers using cigarette, electronic cigarette or heat-not-burn product

    CUI Huapeng(1); LI Yawen(1); FAN Meijuan(1); CHEN Li(1); SI Xiaoxi(2); HAN Jingmei(2); CAI Junlan(1); LI Xiang(1); LIU Shaofeng(1); XIE Fuwei(1); XIE Jianping(1)
    (1) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, P.R. China; (2) R&D Center, China Tobacco Yunnan Industrial Co., Ltd., Kunming, P.R. China
    The deposition of aerosols inhaled into the human respiratory tract is key to evaluate exposure and risk during product use. A method based on a differential mobility spectrometer (DMS) was established for determining the physical properties of smoke ...
  5. CORESTA Meeting, Smoke Science/Product Technology, 2019, Hamburg, ST 48

    Analysis of four volatile nitroso-amines, four alkaloids, 18 polycyclic aromatic hydrocarbons in oral tobacco products based on simultaneous extraction technique and GC-MS/MS detection

    WANG Xiaoyu(1); QIN Yaqiong(1); XIE Fuwei(1); LI Dongliang(2); SHEN Yi(2); GUO Junwei(1); LIU Shaofeng(1); LUO Cheng(2); PAN Lining(1); WANG Sheng(1)
    (1) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, P.R. China; (2) Technology Center, China Tobacco Sichuan Industrial Co., Ltd., Chengdu, P.R. China
    Many kinds of harmful or potentially harmful components (HPHCs) exist in oral tobacco products. Usually, each kind of chemical needs a specific analytical method, which will cause high cost and low throughput. Therefore, the objective of this study was to ...
  6. CORESTA Meeting, Smoke Science/Product Technology, 2019, Hamburg, STPOST 64

    Analysis of cylinder drying intensity on cut strips based on Enthalpy method

    LIU Ze(1); LU Duanfeng(2); LI Bin(2); ZHU Yong(1); TANG Jun(1); ZHOU Bing(1); FU Liang(1); YANG Qianxu(1); HE Banghua(1)
    (1) R&D Center, China Tobacco Yunnan Industrial Co., Ltd., Kunming, P.R. China; (2) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, P.R. China
    Cylinder drying of cut strips is one of the key technologies during the cigarette manufacturing process, which involves complex mass transfer and heat transfer phenomena. In order to study the actual cut strip heating and heat distribution in the cylinder ...
  7. CORESTA Meeting, Smoke Science/Product Technology, 2019, Hamburg, STPOST 70

    Structure and diversity analysis of microbial communities in cigar products by high-throughput sequencing technology

    YE Changwen(1); LI Lu(2); HE Chen(1); LI Dong(1); CHEN Lianfang(1); FAN Li(1); CHEN Chen(1); WEI Xuetuan(2)
    (1) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, P.R. China; (2) College of Food Science and Technology, Huazhong Agricultural University, Wuhan, P.R. China
    To investigate the structure and diversity of bacterial and fungal communities in cigar products, the bacterial 16S rRNA and fungal internal transcribed spacer (ITS) regions in 10 representative cigar samples were sequenced by high-throughput sequencing ...
  8. TSRC, Tob. Sci. Res. Conf., 2019, 73, abstr. 042

    Determination of amounts of harmful substances migrating from plastic assemblies in electronic cigarettes

    FAN Meijuan(1); PAN Lining(1); CUI Huapeng(1); DUAN Yuanxing(2); LIU Yibo(3); NIU Jiajia(1); MAO Youan(4); CHEN Li(1); GUO Junwei(1); LIU Shaofeng(1); WANG Hongbo(1); LIU Huimin(1); ZHAO Le(1)
    (1) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, P.R. China; (2) Technology Center of China Tobacco Yunnan Industrial, Kunming, P.R. China; (3) Technology Center of China Tobacco Guangdong Industrial, Guangzhou, P.R. China; (4) Technology Center of China Tobacco Hunan Industrial, Changsha, P.R. China
    Plastic materials are widely used in assemblies of e-cigarettes. Plastic materials shall not transfer harmful substances to the content of e-liquid in quantities which change the composition of the e-liquid or the aerosol and thereby increase the risk for ...
  9. TSRC, Tob. Sci. Res. Conf., 2019, 73, abstr. 111

    Preparation of amino acid ionic liquids for reducing HCN and crotonaldehyde from smoke and evaluation of cigarette application

    SUN Xuehui(1); DONG Lu(1); WANG Hongwei(2); YANG Song(1); SUN Peijian(1); GUO Ge(1); PAN Lining(1); SUN Zhitao(2); ZHANG Xiaobing(1); TIAN Haiying(2); NIE Cong(1)
    (1) Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, P.R. China; (2) Technology Center, China Tobacco Henan Industrial, Zhengzhou, P.R. China
    To selectively remove HCN and crotonaldehyde from cigarette mainstream smoke, a series of tetrabutyl ammonium hydroxide-amino acid ionic liquids (TBAILs) were synthesized. The ionic liquids were characterized by FT-IR, NMR and TG. The results showed that ...
  10. 48th TWC, Tob. Work. Conf., 2018, abstr. 16

    Comparison of chemical compounds in upper leaves of flue-cured tobacco among different countries

    WANG J.; ZHANG Y.; ZHOU H.; LIANG T.; GUO W.; ZHANG S.
    Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, China
    By using 281 upper leaves samples of flue-cured tobacco harvested in 2016 from China, Zimbabwe, Zambia, Malawi and Tanzania as material, the contents of chemical compounds were compared among different countries. The results showed that: Significant ...