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42 results

  1. CORESTA Congress, Online, 2020, Smoke Science/Product Technology Groups, ST 03

    Method development for the analysis of mono-carbonyl compounds in e-vapor products by LC-MS

    ZHU J.; HEREDIA A.; TWEEDY J.; TAYYARAH R.
    ITG Brands and Fontem USA, Greensboro, NC, U.S.A.
    At the 73rd Tobacco Science Research Conference (TSRC), we presented a novel method for quantitation by LC-MS of mono-carbonyl compounds in e-vapor product aerosol samples. The method is simple and robust with good recoveries. We have since extended...
  2. CORESTA Meeting, Smoke Science/Product Technology, 2019, Hamburg, ST 45

    Meta-analysis of two biomarkers of exposure of tobacco products

    AYALA-FIERRO F.(1); ELAMIN A.(2); FROST-PINEDA K.(3); JIN T.(3); PRASAD G.L.(3); SARKAR M.(4); SCHMIDT E.(3); VERRON T.(5)
    (1) ITG Brands LLC, Greensboro, NC, U.S.A.; (2) PMI R&D, Philip Morris Products S.A., Neuchâtel, Switzerland; (3) RAI Services Company, Winston-Salem, NC, U.S.A.; (4) Altria Client Services LLC, Richmond, VA, U.S.A.; (5) SEITA - Imperial Brands, Paris, France
    In the context of tobacco products, broadly two types of biomarkers exist, biomarkers of exposure (BoE) and biomarkers of potential harm (BoPH). BoE measure exposure to tobacco constituents, e.g. carbon monoxide (CO) and nicotine equivalents (NEQs)....
  3. CORESTA Congress, Kunming, 2018, Plenary Session, IG 02

    Cigarette Variability Task Force study designs, statistical considerations, initial observations, and limitations

    MORTON M.J.(1); TAYYARAH R.(2); FLORA J.(1)
    (1) Altria Client Services LLC, Richmond, VA, U.S.A.; (2) ITG Brands, Greensboro, North Carolina, U.S.A. [Presented as a representative of the CVAR TF]
    The objective of the Cigarette Variability Task Force (CVAR TF) is to examine commercial cigarette variability through testing of select cigarette smoke and tobacco filler constituents plus select physical characteristics. To meet this objective, the...
  4. CORESTA Congress, Kunming, 2018, Smoke Science/Product Technology Groups, STPOST 63 (also presented at TSRC 2018)

    Challenges and opportunities in cigar science

    SMITH J.H.(1); AUBUCHON S.M.(1); WAGNER K.A.(1); McKINNEY W.J.(1); GILLMAN I.G.(2); STEVENS R.(3)
    (1) Altria Client Services LLC, Richmond, VA, U.S.A.; (2) Enthalpy Analytical, Inc., Henrico, VA, U.S.A.; (3) ITG Brands LLC, Greensboro, NC, U.S.A.
    An independent Cigar Working Group has been formed by interested cigar stakeholders (e.g. manufacturers and testing laboratories). The goals of the Working Group are to explore opportunities for engagement with the Food and Drug Administration (FDA)...
  5. TSRC, Tob. Sci. Res. Conf., 2018, 72, abstr. 099a & 99b

    Machine made cigar leaf and product workshop

    STEVENS R.(1); BLACK R.(1); GILLMAN I.G.(2); SMITH J.(3); HARTLEY M.(4); LINDEGAARD T.(5)
    (1) ITG Brands LLC, Greensboro, NC, USA; (2) Enthalpy Labs, Durham, NC, USA; (3) Altria Client Services LLC, Richmond, VA, USA; (4) Universal Dark Air-Cured Group, Oxford, NC, USA
    The regulation of tobacco products continues to be a growing focus around the world. For example, in 2016, the FDA finalized a rule in the USA that extended its regulatory authority to all tobacco products, including e-cigarettes, cigars, hookah, and...
  6. CORESTA Meeting, Agronomy/Phytopathology, 2017, Santa Cruz do Sul, AP 29

    Comparative proteomic analysis reveals differential protein and energy metabolisms from two tobacco cultivars in response to cold stress

    HU Risheng(1); ZHU Xianxin(2); XIANG Shipeng(1); YANG Chengwei(3); LAI Jianbin(3); ZHANG Xianwen(2); LIU Zhi(2); ZHU Lieshu(2)
    (1) Central South Agricultural Experiment Station of CNTC, Changsha, P.R. China; (2) Hunan Agricultural University, Changsha, P.R. China; (3) South China Normal University, Guangzhou, P.R. China
    Given the development of tobacco is sensitive to low temperature, cold stress is a critical problem for tobacco production. Uncovering of the mechanisms for cold response in tobacco would contribute to improving its cold tolerance, but the precise...