Search Results

559 results

  1. CORESTA Meeting, Agronomy/Phytopathology, 2019, Victoria Falls, AP 50

    Reducing nicotine in Burley tobacco by combining low alkaloid varieties and agronomic practices

    FISHER A.M.; FISHER C.R.; JI H.
    University of Kentucky, Lexington, KY, U.S.A.
    The United States Food and Drug Administration (FDA) has requested comments on a possible nicotine standard of 0.3-0.5 mg/g in tobacco filler. There are currently no publicly available varieties that approach this level. The objective of this study was to ...
  2. CORESTA Meeting, Agronomy/Phytopathology, 2019, Victoria Falls, AP 51

    Genetic and biochemical analysis of very low nicotine tobacco leaf

    KUDITHIPUDI C.(1); GOVINDARAJULU R.(2); BHUIYAN N.(2); SHEN Y.(1); XU D.(1)
    (1) Altria Client Services LLC, VA 23219, U.S.A.; (2) Eurofins Lancaster Laboratories, c/o Altria Client Services LLC, Richmond, VA, U.S.A.
    Recently, the U.S. Food and Drug Administration issued an advance notice of proposed rulemaking to obtain information for consideration in developing a tobacco product standard to set the maximum nicotine level in cigarette filler. Tobacco industry and ...
  3. TSRC, Tob. Sci. Res. Conf., 2019, 73, abstr. 038

    Optimization and comparison of 2,4-dinitrophenylhydrazine (DNPH) derivatization conditions for the determination of carbonyl compounds

    JEONG L.(1); MILLER, J.H., IV(2); SHAH N.(2)
    (1) Eurofins Lancaster Laboratories, Richmond, VA, USA; (2) Altria Client Services, Richmond, VA, USA
    FDA’s Premarket Tobacco Product Application (PMTA) draft guidance for Electronic Nicotine Delivery Systems (ENDS) recommends analysis of four carbonyls in e-liquids and aerosols- Formaldehyde, Acetaldehyde, Acrolein and Crotonaldhyde. There are two ...
  4. TSRC, Tob. Sci. Res. Conf., 2019, 73, abstr. 052

    Relationship of alkaloids, PON, TSNAs, nitrate and nitrite: a two-year field analysis

    WU YING; JI HUIHUA; JACK FISHER A.; FANNIN F.; CHATTOPADHYAY N.; BUSH L.
    University of Kentucky, Lexington, KY, USA
    Tobacco-specific nitrosamines (TSNAs) are a class of nitrosamines that are included in the FDA’s Harmful and Potentially Harmful Constituents (HPHC) list. Two of these, Nʹ-nitrosonornicotine (NNN) and 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone (NNK) ...
  5. TSRC, Tob. Sci. Res. Conf., 2019, 73, abstr. 101

    Characterization of the bacterial community associated with smokeless tobacco reference products under different storage conditions

    LIU SHUANG; GREENHUT I.; MOE L.
    University of Kentucky, Lexington, KY, USA
    In this study we characterize the bacterial communities associated with smokeless tobacco reference products (STRP), including loose leaf chewing tobacco (3S1), moist snuff (3S3), American snus (1S5), and Swedish snus (1S4) during a 1-year storage period. ...