Search Results

12 results

  1. CORESTA Congress, Berlin, 2016, Agronomy/Phytopathology Groups, AP 43

    The pattern of benzo[a]pyrene and tobacco-specific nitrosamine accumulation in fire-cured tobacco: a comparison of two barn types

    JACK A.M.; BAILEY W.A.; SCHOERGENDORFER A.; JI H.; WU Y.
    University of Kentucky, KTRDC, Lexington, KY, U.S.A.
    A two-year experiment was done to study the pattern of accumulation of benzo[a]pyrene (B[a]P) and tobacco specific nitrosamines (TSNAs) during fire-curing, and to establish whether B[a]P and TSNAs can be reduced by modifying the firing regime. The 2012 ...
  2. TSRC, Tob. Sci. Res. Conf., 2016, 70, abstr. 40

    The pattern of benzo[a]pyrene and tobacco-specific nitrosamine accumulation in fire-cured tobacco; a comparison of two barn types

    JACK A.M.; BAILEY W.A.; SCHOERGENDORFER A.; JI H.; WU Y.
    University of Kentucky, Lexington, KY, USA
    A two-year experiment was done to study the pattern of accumulation of benzo [a] pyrene (B[a]P) and tobacco specific nitrosamines (TSNAs) during fire-curing, and to establish whether B[a]P and TSNAs can be reduced by modifying the firing regime. The 2012 ...
  3. TSRC, Tob. Sci. Res. Conf., 2013, 67, abstr. 43

    The pattern of benzo[a]pyrene and tobacco-specific nitrosamine accumulation in fire-cured tobacco

    JACK A.M.; BAILEY W.A.; SCHOERGENDORFER A.; JI H.; SINGLETON J.; FANNIN N.; BUSH L.P.
    University of Kentucky, Lexington, KY, USA
    The accumulation of benzo[a]pyrene (B[a]P) and tobacco specific nitrosamines (TSNAs) during fire-curing was studied in order to establish whether B[a]P and TSNAs can be reduced by modifying the firing regime. The dark fire-cured variety PD 7309 was grown ...
  4. CORESTA Congress, Sapporo, 2012, Agronomy/Phytopathology Groups, AP 09

    TSNA accumulation in three Burley varieties under three curing regimes

    JACK A.M.; FISHER C.R.; SCHOERGENDORFER A.; JI H.; FANNIN F.F.; BUSH L.P.
    University of Kentucky, Lexington, KY, USA
    Previous work showed that NCBH 129LC had higher accumulation of tobacco specific nitrosamines (TSNAs) than KT 204LC when cured on a wagon covered with plastic; conditions very favorable for TSNA accumulation. However, other researchers found that when the ...
  5. TSRC, Tob. Sci. Res. Conf., 2012, 66, abstr. 35

    The effect of harvest maturity on tsna accumulation in burley tobacco – different approaches

    JACK A.M.; FISHER C.R.; SCHOERGENDORFER A.; JI H.; FANNIN N.F.; BUSH L.P.
    University of Kentucky, Lexington, KY, USA
    The accumulation of tobacco specific nitrosamines (TSNAs) in burley tobacco is affected by a number of interacting factors. Previous work by several researchers has indicated an initial increase in TSNA accumulation with increasing maturity at harvest, ...
  6. CORESTA Meeting, Agronomy/Phytopathology, 2011, Santiago, AP 04

    TSNA accumulation in two burley tobacco cultivars

    JACK A.M.(1); FISHER C.R.(1); SCHOERGENDORFER A.(1); FANNIN F.F.(1); DANEHOWER D.(2); BUSH L.P.(1)
    (1) University of Kentucky, Lexington, KY, USA; (2) North Carolina State University, Raleigh, NC, USA
    Differences in TSNA accumulation between burley genotypes can often be attributed to differences in nicotine conversion and/or differences in amount of total alkaloids. However, several researchers have observed differences in TSNAs between certain ...
  7. 44th TWC, Tob. Work. Conf., 2010, abstr. General Session 02

    How much impact can field production practices have on leaf chemistry and TSNA

    BUSH L.; SCHOERGENDORFER A.; DENTON P.; PEARCE R.; PEEK D.; FISHER L.; REED T.; CONRAD D.; PALMER G.; EBELHAR S.; JACK A.M.; KALENGAMALIRO N.
    University of Kentucky, Dept. of Plant & Soil Sciences, Lexington, KY, USA
    TSNAs (tobacco-specific nitrosamines) are formed by reaction, mainly during curing, between a tobacco alkaloid and an oxide of nitrogen. Some TSNAs are known to have biological activity and tobacco scientists have considerable information on TSNA ...
  8. CORESTA Congress, Edinburgh, 2010, AP 02

    The effect of topping on yield, quality and TSNA accumulation in Burley tobacco

    JACK A.M.; FISHER C.R.; SCHOERGENDORFER A.; FANNIN F.F.; BUSH L.P.
    University of Kentucky, Dept. of Plant & Soil Sciences, Lexington, KY, USA
    It is known that lower alkaloids result in lower TSNAs, and that untopped tobacco has lower alkaloids than topped tobacco. The objective of this study was to quantify the effect of not topping on TSNAs, other nitrogenous components, physical ...