Search Results

126 results

  1. CORESTA Meeting, Smoke Science/Product Technology, 2019, Hamburg, STPOST 18 (also presented at TSRC 2019)

    Comparison of a flame ionization detector (GC/FID) to a nitrogen-phosphorus detector (GC/NPD) for gas chromatographic determination of nicotine in conventional and ultra-low nicotine tobacco blends

    STINSON A.; STEELMAN D.; CLARK T.J.
    Liggett Group LLC, 100 Maple Lane Mebane NC, U.S.A.
    The established CORESTA method to determine nicotine in tobacco uses a gas chromatograph coupled with a flame ionization detector (GC/FID) (CRM 62) that uses mass spectrometry (GC/MS) (CRM 87). These methods were developed to evaluate conventional...
  2. TSRC, Tob. Sci. Res. Conf., 2019, 73, abstr. 034 (also presented at CORESTA SSPT2019)

    Comparison of a flame ionization detector (GC/FID) to a nitrogen-phosphorus detector (GC/NPD) for gas chromatographic determination of nicotine in conventional and ultra-low nicotine tobacco blends

    STEELMAN D.; STINSON A.; CLARK T.J.
    Liggett Group, Mebane, NC, USA
    The established CORESTA method to determine nicotine in tobacco uses a gas chromatograph coupled with a flame ionization detector (GC/FID) (CRM 62) or that uses a mass spectrometer (GC/MS) (CRM 87). These methods were developed to evaluate...
  3. 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...
  4. 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...
  5. 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...
  6. 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...
  7. CORESTA Meeting, Smoke Science/Product Technology, 2017, Kitzbühel, STPOST 40 (also presented at TSRC 2017)

    A comparison of two different extraction methods for aromatic amines in mainstream smoke using gas chromatography-tandem mass spectrometry (GC/QQQ)

    STINSON A.(1); GILLILAND S.(1); HUCKINS A.(1); GILLMAN I.G.(2); BROWN S.S.(2); STEELMAN D.(1)
    (1) Liggett Group LLC, Mebane, NC, U.S.A.; (2) Enthalpy Analytical Inc., Durham, NC, U.S.A.
    The established GC-MS methods for the analysis of aromatic amines (o-Anisidine, o-Toluidine, 2,6-Dimethylaniline, 1-Aminonaphthalene, 2-Aminonaphthalene, and 4-Aminobiphenyl) involve complex sample preparation and analyzing the samples on a gas...
  8. TSRC, Tob. Sci. Res. Conf., 2017, 71, abstr. 048 (also presented at CORESTA SSPT2017)

    A comparison of two different extraction methods for aromatic amines in mainstream smoke using gas chromatography-tandem mass spectrometry (GC/QQQ)

    STINSON A.(1); GILLILAND S.(1); HUCKINS A.(1); BROWN S.S.(2); GILLMAN I.G.(2)
    (1) Liggett Group, Mebane, NC, USA; (2) Enthalpy Analytical, Durham, NC, USA
    The established GC-MS methods for the analysis of aromatic amines (o Anisidine, o Toluidine, 2, 6 Dimethylaniline, 1 Aminonaphthalene, 2 Aminonaphthalene, and 4 Aminobiphenyl) involve complex sample preparation and analyzing the samples on a gas...
  9. TSRC, Tob. Sci. Res. Conf., 2015, 69, abstr. 22

    The determination and comparison of ammonia content in tobacco products by ion chromatography and continuous flow analysis

    STINSON A.(1); GILLILAND S.(1); PAOLANTONIO A.M.(2); LOCKHART T.D.(2); GILLMAN I.G.(2)
    (1) Liggett Group LLC, Mebane, North Carolina, USA; (2) Enthalpy Analytical Inc., Durham, North Carolina, USA
    The FDA Center for Tobacco Products (CTP) has identified ammonia as a harmful or potentially harmful constituent (HPHC) in tobacco and tobacco products. However, there is currently not a single, generally accepted method for the determination of...