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13 results

  1. Bull. Spec. CORESTA Congress, Lisbon, 2000, p. 53, AP3

    Alkaloids and TSNA contents in Chinese tobacco and cigarettes

    SHI Hongzhi; HUANG Y.J.; LIU G.S.; YU J.J.; ZHAO M.Q.; BUSH L.P.; BURTON H.R.
    Henan Agricultural University, Zhengzhou, Henan, China
    Nornicotine, a main alkaloid in tobacco, can have a negative impact on tobacco smoke quality and has shown to be a precursor for nitrosonornicotine (NNN). This study was conducted to determine alkaloid and TSNA content of selected Chinese tobacco and ...
  2. Bull. Spec. CORESTA Congress, Harare 1994, p. 38, A 29

    Decreases and distributions of plant constituents within in a leaf during air curing - plant pigments, nitrites and tobacco-specific nitrosamines

    University of Kentucky, Dept. of Agronomy, Lexington, KY, USA
    The distribution of constituents within a tobacco leaf has not been well defined. Metabolism and distribution of individual leaf constituents during air-curing to the present have not been investigated. The purpose of this study was to determine the ...
  3. Bull. Spec. CORESTA Symposium, Kallithea, 1990, p. 97, APTS 02, ISSN.0525-6240

    Accumulation of nitrites and tobacco-specific nitrosamines from different tobacco types during curing

    University of Kentucky, Dept. of Agronomy, Lexington, KY, USA
    Accumulation of nitrosamines in tobacco and conditions which influence their formation have been of recent interest. A study has been completed to determine if there are differences in tobacco-specific nitrosamines (TSNA) levels from different tobacco ...