Search Results

150 results

  1. CORESTA Meeting, Smoke Science/Product Technology, 2019, Hamburg, ST 19

    In vitro biological impact evaluation of whole cigarette smoke by using pathway-based approach

    CHEN H.(1,2); CHEN X.(1,2); SHEN Y.(3); LIU F.(1,2); YIN X.(1); LIU L.(1); TIMKO M.(4); QI H.(5); FAN L.(1,2,3)
    (1) Institute of Crop Science, Zhejiang University, Hangzhou, P.R. China; (2) Research Center for Air Pollution and Health, Zhejiang University, Hangzhou, P.R. China; (3) Institute of Bioinformatics, Zhejiang University, Hangzhou, P.R. China; (4) Department of Public Health Sciences, School of Medicine, University of Virginia, Charlottesville, VA, U.S.A.; (5) Department of Pathology and Pathophysiology, School of Basic Medical Sciences, Zhejiang University, Hangzhou, P.R. China
    Harm-reduced cigarettes have been greatly developed to minimize the negative impact of smoking on health. However, the practical effects of such products are still under debate. Along with the application of high-throughput sequencing technologies...
  2. CORESTA Congress, Kunming, 2018, Agronomy/Phytopathology Groups, APPOST 05

    Effect of Qianhefu water-soluble foliar fertilizer on the quality of flue-cured tobacco leaf

    XU Chunping(1); BAI Jiafeng(2); HU Zhizhong(2); JIA Ke(1); MA Kuoyan(3)
    (1) College of Food and Biological Engineering, Zhengzhou University of Light Industry, Zhengzhou, P.R. China; (2) Technical Center of China Tobacco Guangxi Industrial Co. Ltd, Nanning, Guanxi, P.R. China; (3) Technical Center of China Tobacco Chongqing Industrial Co., Ltd., Chongqing, P.R. China
    A field experiment was carried out to investigate the effect of Qianhefu water-soluble foliar fertilizer on the quality of tobacco leaf. The results showed that the foliar fertilizer played an important role in improving agronomic traits of tobacco...
  3. CORESTA Congress, Kunming, 2018, Smoke Science/Product Technology Groups, ST 01

    In vitro biological safety evaluation of cigarette smoke

    CHEN Xi(1,2); SHEN Y.(1,2); CHEN Hongyu(1,2); LIU F.(1,2); QI H.(3); JIMIN S.(3); TIMKO M.(4); FAN L.(1,2)
    (1) Research Center for Air Pollution and Health, Zhejiang University, Hangzhou, P.R. China; (2) Institute of Bioinformatics, Zhejiang University, Hangzhou, P.R. China; (3) Department of Pathology and Pathophysiology, School of Basic Medical Sciences, Zhejiang University, Hangzhou, P.R. China; (4) Department of Public Health Sciences, School of Medicine, University of Virginia, Charlottesville, VA, U.S.A.
    Traditionally, toxicological evaluation of cigarette smoke has focused on the harmful chemical content of smoke. Harm-reduced cigarettes should not only refer to these chemical compounds, but also to the degree of the effect of whole smoke on human...
  4. CORESTA Congress, Kunming, 2018, Smoke Science/Product Technology Groups, ST 56

    Photoionization time-of-flight mass spectrometry as a tool for the identification of selected isomers in the gas phase of mainstream cigarette smoke

    HU Yonghua(1); WANG Jian(1); TIAN Zhenfeng(1); CHEN Kaibo(1); XU Yingbo(1); PAN Yang(2)
    (1) Technology Center, China Tobacco Anhui Industrial Co., Ltd., Hefei, Anhui, P.R. China; (2) National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, Anhui, P.R. China
    To identify selected isomers in the gas phase of mainstream cigarette smoke, an on-line measurement system with a photoionization unit was built. With this instrument, photoionization efficiency (PIE) curves for constituents in the gas phase of...
  5. CORESTA Congress, Kunming, 2018, Smoke Science/Product Technology Groups, STPOST 08

    Effects of treatment time of ultraviolet irradiation and ozone on the internal quality of the redrying tobacco

    XU Chunping(1); BAI Jiafeng(2); ZHENG Kai(3); ZHU Guocheng(3); HU Zhizhong(2); JIANG Yu(1); XU Heng(4); LI Shufang(3); YANG Zhiqiang(3)
    (1) College of Food and Biological Engineering, Zhengzhou University of Light Industry, Zhengzhou, Henan, P.R. China; (2) Technical Center, China Tobacco Guangxi Industrial Co. Ltd, Nanning, Guanxi, P.R. China; (3) Xuchang Cigarette Factory, China Tobacco Henan Industrial Co., Ltd., Xuchang, Henan, P.R. China; (4) Technical Center, China Tobacco Henan Industrial Co., Ltd, Zhengzhou, Henan, P.R. China
    To investigate the effect of ultraviolet (UV) radiation and ozone on the internal quality of redrying tobacco, Qujing redrying tobacco (B2F) was selected as experimental material and irradiated by UV irradiation (producing ozone) and treated with...
  6. CORESTA Congress, Kunming, 2018, Smoke Science/Product Technology Groups, STPOST 10

    Principal component analysis of volatile components in refill liquids for electronic cigarettes with different tastes

    XU Chunping(1); MA Kuoyan(2); HAO Hui(3); CHEN Zhifei(3); ZHAO Shanshan(1)
    (1) College of Food and Biology Engineering, Zhengzhou University of Light Industry, Zhengzhou, P.R. China; (2) Technical Center of China Tobacco Chongqing Industrial Co., Ltd., Chongqing, P.R. China; (3) Technical Center of China Tobacco Henan Industrial Co. Ltd, Zhengzhou, Henan, P.R. China
    In this study the characterization of refill liquids for different electronic cigarettes with different tastes was compared. GC/MS and principal component analysis were employed to analyze the volatile components in refill liquids for five kinds of...
  7. CORESTA Meeting, Smoke Science/Product Technology, 2017, Kitzbühel, STPOST 16

    Degradation of phytosterols in tobacco extract by bacteria to produce low benzo[a]pyrene reconstituted tobacco

    YE Jianbin(1); ZHANG Zhan(2); HAO Zhou(2); YANG Xuepeng(1); MAO Duobin(1); YANG Zongcan(2); LIU Xiangzhen(2)
    (1) Zhengzhou University of Light Industry, Key Laboratory of Biotechnology in Tobacco Industry, Zhengzhou, Henan, P.R. China; (2) Henan Industrial Co., Ltd of CNTC, Zhengzhou, Henan, P.R. China
    Pyrolysis of phytosterols during tobacco combustion is closely related to the yield of PAHs, such as the carcinogen benzo[a]pyrene. There are five types of phytosterols in tobacco, accounting for 0.2-0.5 % by weight. Most of the phytosterols are...
  8. CORESTA Congress, Berlin, 2016, Smoke Science/Product Technology Groups, STPOST 21 (also presented at TSRC 2016)

    Puff-by-puff tar, nicotine and carbonyl profiles under different smoking regimens of commercial cigarettes with various carbon filter technologies

    ROBERTSON R.M.; NORFLEET K.; CANTERBURY W.B.
    Celanese, Narrows, VA, U.S.A.
    Puff-by-puff smoke analysis has shown that the CelFX® carbon filter technology has similar nicotine and tar smoke delivery profiles but with significantly reduced carbonyls, particularly in the first 6 puffs, compared to a cellulose acetate filter....
  9. TSRC, Tob. Sci. Res. Conf., 2016, 70, abstr. 14 (also presented at CORESTA 2016)

    Puff-by-puff tar, nicotine and carbonyl profiles under different smoking regimens of commercial cigarettes with various carbon filter technologies

    ROBERTSON R.M.
    Celanese, Narrows, VA, USA
    Puff by puff smoke analysis has shown that the CelFX® carbon filter technology has similar nicotine and tar smoke delivery profiles but with significantly reduced carbonyls, particularly in the first 6 puffs, compared to a cellulose acetate filter....