Search Results

98 results

  1. CORESTA Congress, Kunming, 2018, Agronomy/Phytopathology Groups, AP 27

    The research and application of systematic technologies for reducing tobacco specific nitrosamines in tobacco and cigarette smoke

    BAI Ruoshi(1); ZHOU Jun(1); YANG Chunlei(2); SHI Hongzhi(3); LIU Weijuan(4); XU Tongguang(1); MA Yanjun(1); LIU Xingyu(1); YANG Jinpeng(2); WANG Jun(3); ZHANG Jie(1); YANG Zhendong(1); ZHENG Xiaoman(1); ZHANG Chen(1)
    (1) Technical Center of Beijing Cigarette Factory, Shanghai Tobacco Group Co., Ltd, Beijing, P.R. China; (2) Hubei Tobacco Research Institute, Wuhan, P.R. China; (3) Henan Agriculture University, Zhengzhou, P.R. China; (4) Yunnan Reascend Tobacco Technology (Group) Co., Ltd, Kunming, P.R. China
    Reduction of tobacco specific nitrosamines (TSNAs) in tobacco and cigarette smoke is a research hotspot. The systematic technologies for reducing TSNAs in both agricultural and industrial areas were developed and applied. The TSNA levels for the upper and ...
  2. CORESTA Congress, Kunming, 2018, Agronomy/Phytopathology Groups, APPOST 14

    Study on the detection and automatic diagnosis of tobacco diseases based on machine vision and machine learning

    ZHANG Jianqiang; LIU Weijuan; HOU Ying; LI Changyu
    Yunnan Reascend Tobacco Technology (Group) Co., Ltd, Kunming, Yunnan, P.R. China
    Tobacco disease diagnosis in China at present mostly remains in the artificial stage, with such problems as poor objectivity and low efficiency. A novel tobacco disease detection and automatic diagnosis system based on machine vision and machine learning ...
  3. CORESTA Congress, Kunming, 2018, Smoke Science/Product Technology Groups, ST 09

    Puff-by-puff analysis of nicotine, menthol and other volatile components in menthol flavoured heat-not-burn tobacco product

    LI Jingjing; LIU Weijuan; GUO Tingting; HOU Ying; LIU Shengyi
    Ruvian Technology Ltd., Kunming, P.R. China; Yunnan Reascend Tobacco Technology (Group) Co., Ltd, Kunming, P.R. China; Yunnan Comtestor Co., Ltd, Kunming, P.R. China
    Heat-not-burn (HnB) tobacco products have rapidly become an accepted alternative to cigarettes worldwide in recent years. Since the main additives in tobacco materials of HnB products, such as nicotine, menthol and other volatile components, are released ...
  4. CORESTA Congress, Kunming, 2018, Smoke Science/Product Technology Groups, ST 10

    Quantitative determination of selected carbonyls in tobacco, tobacco materials, e-liquids and emissions of conventional cigarettes and novel tobacco products (NTPs)

    LIU Shengyi; LIU Weijuan; HOU Ying; LI Jingjing
    Ruvian Technology Ltd., Kunming, P.R. China; Yunnan Reascend Tobacco Technology (Group) Co., Ltd, Kunming, P.R. China; Yunnan Comtestor Co., Ltd, Kunming, P.R. China
    Background/aims: Carbonyls play an important role in the toxicological assessment of tobacco and nicotine containing products. Four commercially available tobacco and nicotine containing products (Conventional Cigarette/CC, E cigarette/EC and two Heat-not ...
  5. CORESTA Congress, Kunming, 2018, Smoke Science/Product Technology Groups, ST 21

    Rapid determination of important indexes of e-cigarette liquid based on near-infrared spectroscopy and PSO-SVR algorithm

    ZHANG Jianqiang(1,2); LI Jingjing(1); LIU Weijuan(1,2)
    (1) Ruvian Technology Ltd., Kunming, P.R. China; (2) Yunnan Reascend Tobacco Technology (Group) Co., Ltd, Kunming, Yunnan, P.R. China
    As e cigarettes deliver nicotine without burning tobacco, they are a safer and less toxic alternative to conventional cigarettes and have quickly become a popular substitute for traditional tobacco cigarettes. Relative density and refractive index are two ...
  6. CORESTA Congress, Kunming, 2018, Smoke Science/Product Technology Groups, ST 39

    Impact of cigarette paper and blend on super slim, slim and king-size cigarette designs

    WANNA J.(1); CHEN Cai(2); XIAO Cuicui(3); LIANG Chenze(3); RUI Li(4); ZHANG Wenjun(4)
    (1) SWM Intl., Alpharetta, GA, U.S.A.; (2) SWM Shanghai Representative Office, Shanghai, P.R. China; (3) China Tobacco Mauduit, Jiangmen, Guangdong, P.R. China; (4) China Tobacco Schweitzer, Yuxi City, Yunnan, P.R. China
    Superslim (SS) cigarettes account for 5 % of total cigarette sales on the Chinese market, with a year to year increase of 2.1 %. Similar to this fast-growing trend, many more brands of slim (SL) cigarettes have been offered on the market since 2017. To ...
  7. CORESTA Congress, Kunming, 2018, Smoke Science/Product Technology Groups, ST 47

    Study on reducing the fragmentation rate of paper-making reconstituted tobacco during the cutting process in the cigarette factory

    ZHANG Wenjun(1); TENNIER J.(2); TU Yangang(1); ZHANG Yan(3); ZHENG Jianyu(1); ZHANG Mengyuan(1); LI Rui(1); LIU Jing(1); XIONG Zhen(1); ZHOU Guiyuan(1)
    (1) China Tobacco Schweitzer (Yunnan) Reconstituted Tobacco Co., Ltd, Yuxi City, Yunnan, P.R. China; (2) SWM Intl., Alpharetta, GA, U.S.A.; (3) Yunnan Tobacco Quality Supervision and Inspection Station, Kunming, Yunnan, P.R. China
    It is known that reconstituted tobacco leaf tends to generate dust and particles during the cutting process in the cigarette factory. To solve the issue, analysis of the composition structure of manufacturing waste was carried out. Effects on the ...
  8. CORESTA Congress, Kunming, 2018, Smoke Science/Product Technology Groups, ST 48

    Research on colour improvement of paper-making reconstituted tobacco

    SU Dandan(1); TU Yangang(1); ZHANG Wenjun(1); TENNIER J.(2); WEI Mingwen(1); WANG Xiaosheng(1); FENG Tao(1); MI Lan(1); ZHOU Guiyuan(1)
    (1) China Tobacco Schweitzer (Yunnan) Reconstituted Tobacco Co., Ltd, Yuxi City, Yunnan, P.R. China; (2) SWM Intl., Alpharetta, GA, U.S.A.
    Paper-making reconstituted tobacco (PRT) is an important raw material for the tobacco industry, with various benefits including reducing cost, smoke tar delivery, and impact on the environment. The different appearance of PRT compared to regular cigarette ...
  9. 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 ...
  10. CORESTA Congress, Kunming, 2018, Smoke Science/Product Technology Groups, STPOST 47

    Effect of ethanol concentration on chemical composition of tobacco extracts

    ZHENG Jianyu(1); LIU Changbo(1); ZHANG Wenjun(1); TENNIER J.(2); FU Yin(1); XIONG Zhen(1); CHEN Shaoquan(1); FENG Tao(1); WANG Yanhong(1); ZHOU Guiyuan(1)
    (1) China Tobacco Schweitzer (Yunnan) Reconstituted Tobacco Co., Ltd, Yuxi City, Yunnan, P.R. China; (2) SWM Intl., Alpharetta, GA, U.S.A.
    Ethanol is widely used as a solvent in the chemical, pharmaceutical, and biological industries, for the extraction of various natural products, including those from tobacco. In this study, an ethanol-water system with four different concentrations of ...