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255 results

  1. 48th TWC, Tob. Work. Conf., 2018, abstr. 86

    Evaluation of low alkaloid lines for chlorophyll levels, flowering dates, and relative ripening rates

    SUMMERS K.(1); MOORE J.M.(1); LaHUE S.S.(1); MORRIS J.W.(2); COWERT W.H.(2)
    (1) University of Georgia, Tifton GA USA; (2) Altria Client Services, Richmond VA USA
    Tobacco has been an economically important crop throughout history; providing a substantial cash flow in return for a large investment of time, labor, and materials. Recent regulations are requiring a reduced amount of nicotine in finished product. Plants ...
  2. CORESTA Congress, Kunming, 2018, Agronomy/Phytopathology Groups, AP 03

    Transcriptomic and metabolomic analysis of very low nicotine tobacco lines

    KUDITHIPUDI C.(1); SHEN Yanxin(1); GOVINDRAJULU R.(2); XU Dongmei(1); WAREK U.(1); STRICKLAND J.A.(1)
    (1) Altria Client Services LLC, Research, Development and Regulatory Affairs, Richmond, VA, U.S.A.; (2) Eurofins Lancaster Laboratories, c/o Altria Client Services LLC, Research, Development and Regulatory Affairs, Richmond, VA, U.S.A.
    Nicotine is the most abundant alkaloid in cultivated tobacco (Nicotiana tabacum), typically constituting more than 90 % of total alkaloids. Recently, the U.S. Food and Drug Administration issued an advance notice of proposed rulemaking to obtain ...
  3. CORESTA Congress, Kunming, 2018, Agronomy/Phytopathology Groups, AP 18

    A non-destructive rapid method for blend grade verification using visible-near infrared hyperspectral imaging, advanced data processing and classification algorithms

    SAHU A.(1); DANTE H.(2); MORRIS J.W.(1); WAREK U.(1)
    (1) Altria Client Services LLC., Biotechnology, Richmond, VA, U.S.A.; (2) Industrial Turnaround Corporation, Chester, VA, U.S.A.
    The main objective of this study was to investigate the potential of hyperspectral imaging as a non-destructive, rapid, quality control method for grading cured tobacco bales. Cultivated tobacco plants were harvested and cured. Cured tobacco bales were ...
  4. CORESTA Congress, Kunming, 2018, Agronomy/Phytopathology Groups, AP 25

    2017 stable reduced converter (SRC) dark tobacco crop

    LION K.; LUSSO M.; ADAMS A.; MORRIS W.; XU D.; WAREK U.; STRICKLAND J.A.
    Altria Client Services LLC, Research, Development & Regulatory Affairs, Richmond, VA, U.S.A.
    On January 23, 2017, FDA published “Tobacco Product Standard for N-nitrosonornicotine Level in Finished Smokeless Tobacco Products” in which they proposed an NNN ceiling of 1.0 ppm (DWB) through the end of product shelf life. During the past several ...
  5. CORESTA Congress, Kunming, 2018, Agronomy/Phytopathology Groups, AP 31

    Genetic strategy for reducing sucker pressure in tobacco

    SHEN Yanxin; YANG J.; KUDITHIPUDI C.; XU Dongmei; FREDERICK J.; WAREK U.; STRICKLAND J.A.
    Altria Client Services LLC, Research, Development & Regulatory Affairs, Richmond, VA, U.S.A.
    Tobacco plants exhibit strong apical dominance because molecular signals from the shoot apical meristem (SAM) mediate hormonal regulation effectively inhibiting axillary bud growth. Upon SAM removal, however, hormonal signals are lost enabling axillary ...
  6. 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 CVAR ...
  7. CORESTA Congress, Kunming, 2018, Smoke Science/Product Technology Groups (Workshop), STW 04

    A framework for toxicological risk assessment of combustible tobacco products in the substantial equivalence pathway

    EHMAN K.
    Altria Client Services LLC, Richmond, VA, U.S.A.
    For the U.S. Food and Drug Administration (FDA) to determine that a tobacco product is substantially equivalent, a New Product must have either the same characteristics as a Predicate Product, or if it has different characteristics, it must be ...
  8. CORESTA Congress, Kunming, 2018, Smoke Science/Product Technology Groups (Workshop), STW 05

    The role of biomarkers in assessing individual health risks of tobacco products

    SARKAR M.
    Altria Client Services LLC, Center for Research and Technology, Richmond, VA, U.S.A.
    Assessment of the individual health risk of a modified risk tobacco product (MRTP) is an important component of the regulatory decision-making process for granting authorization of such products. Cigarette smoke contains a mixture of thousands of ...