Search Results

87 results

  1. CORESTA Congress, Kunming, 2018, Smoke Science/Product Technology Groups (Workshop), STW 06

    Biomarkers of tobacco smoke exposure in the U.S. population: result and resources from the National Health and Nutrition Examination Survey (NHANES)

    BLOUNT B.C.
    Tobacco and Volatiles Branch, Division of Laboratory Sciences, Centers for Disease Control and Prevention, Atlanta, GA, U.S.A.
    Tobacco smoke exposure is the primary cause of disease and premature death in the U.S. population and a major contributor to negative health impact globally. Tobacco smoke harms the health of active users and non-users with indirect exposure. Biomarkers ...
  2. TSRC, Tob. Sci. Res. Conf., 2018, 72, abstr. 046

    The quantitation of volatile nitrosamines in mainstream tobacco smoke by gas chromatography-tandem mass spectrometry (GC-MS/MS) using direct sample bag collection

    COWAN E.A.; WINKELJOHN W.R.; LISKO J.G.; VALENTIN-BLASINI L.
    Centers for Disease Control and Prevention, Atlanta, GA, USA
    Volatile nitrosamines (VNAs) are classified as group 2A and 2B carcinogens in humans by the International Agency for Research on Cancer (IARC), have been associated with increased incidences of carcinogenesis and have been linked to lipid peroxidation, ...
  3. TSRC, Tob. Sci. Res. Conf., 2018, 72, abstr. 048

    Survey of nicotine, NNK, NNN, pH and physical properties of little cigars in the US market place

    LIU Youbang(1); HASSINK M.D.(1); TAYLOR K.M.(1); WATSON C.(2); CHAFIN D.(2); LAWLER T.(2); VALENTIN-BLASINI L.(2); KIMBRALL B.(2)
    (1) U.S. Food and Drug Administration, Silver Spring, MD, USA; (2) Centers for Disease Control and Prevention, Atlanta, GA, USA
    In May 2016, the jurisdiction of the Federal Food Drug and Cosmetic Act was extended to include all tobacco products, including cigars. Because limited information exists on the chemistry of cigar filler and smoke, 60 brands of popular little cigars sold ...
  4. 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 ...
  5. TSRC, Tob. Sci. Res. Conf., 2016, 70, abstr. 07

    Direct single puff GC-MS analysis of electronic cigarettes and the effect of interpuff interval on relative nicotine delivery

    LISKO J.G.(1); PEREZ J.J.(1); VALENTIN-BLASINI L.(1); WATSON C.H.(1); HOLMBERG S.L.(2); LEE G.E.(3)
    (1) US Centers for Disease Control and Prevention, Atlanta, GA, USA; (2) Oak Ridge Institute for Science and Education, Oak Ridge, TN, USA; (3) Battelle Memorial Institute, Columbus, OH, USA
    As electronic cigarettes (e-cigarettes) have become more popular, research labs have begun to propose standardized vaping protocols to produce machine-generated aerosols from e-cigarette products. Investigations have largely focused on the effects of puff ...
  6. 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 process on ...
  7. TSRC, Tob. Sci. Res. Conf., 2015, 69, abstr. 86

    Study on influence of processing strength on flue-cured tobacco leaf quality in the threshing and redrying process

    LONG Minghai(1); HUA Yikun(2); WANG Xianguo(2); LIN Nan(1); ZI Wenhua(1)
    (1) Yunnan Reascend Tobacco Technology (Group) Co. Ltd., Kunming, Yunnan, P.R. China; (2) Hongyun Honghe (Group) Co., Ltd., Kunming, Yunnan, P.R. China
    To improve the technological level of threshing and redrying and quality of products, the influences of processing strengths (steam moistening, steam mixing water moistening, slow redrying with low-temperature, high-temperature redrying) on the qualities ...
  8. CORESTA Congress, Quebec, 2014, Smoke Science/Product Technology Groups, ST 89

    Aroma compounds in flue-cured tobacco from Baoshan: distribution and relationships to climate and geographical factors

    YANG Panpan(1); WANG Chao(2); WANG Yu(1); HOU Ying(1); YANG Yingming(2); YANG Shihua(1); LI Wei(1); YUAN Tianjun(1); CHENG Changxin(2)
    (1) Yunnan Reascend Tobacco Technology (Group) Co., Ltd, Kunming, Yunnan Province, P.R. China; (2) Hongyun-Honghe Tobacco (Group) LLC, Kunming, P.R. China
    Baoshan is a city in the southwest of China. Tempered by the low latitude and moderate elevation, Baoshan has a mild subtropical highland climate with short, mild, dry winters, and warm, rainy summers. Baoshan is a tobacco growth region for flue-cured ...
  9. TSRC, Tob. Sci. Res. Conf., 2014, 68, abstr. 82

    Permeable mechanism of complex enzymes for improving casing absorption in tobacco leaves

    QIU Changgui(1); HOU Ying(1); LIU Jihui(2); WANG Hui(2); HUA Yikun(2); WANG Xianguo(2); YANG Shengjiang(3); HUANG Kaixin(3)
    (1) Yunnan Reascend Tobacco Technology (Group) Co. Ltd., Kunming, China; (2) Technology Centre of Hongyun Honghe Tobacco (Group) Co., Ltd., Kunming, China; (3) Kunming Weinuo Jinshen Biological Engineering Co., Ltd., Kunming, China
    In order to investigate the distribution characteristics and permeable mechanism of casing materials absorbed on the surface of tobacco leaves, the epicuticular waxes on the surface of the tobacco leaf were processed by using methylene chloride and ...