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5 results

  1. CORESTA Meeting, Agronomy/Phytopathology, Krakow, 2007, AP 36

    Suppression of TSNA formation in Burley tobacco during storage by nitrite reduction

    KATSUYA S.; ISHIWATA Y.; SAITO H.
    Japan Tobacco Inc., Leaf Tobacco Research Lab., Oyama, Tochigi, Japan.
    It is well known that tobacco specific nitrosamines (TSNA) in Burley tobacco are formed and accumulated during curing. On the other hand, it has been reported that TSNA were also formed during storage (1),(2), and the formation of TSNA during storage was ...
  2. CORESTA Meeting, Agronomy/Phytopathology, Santa Cruz do Sul, 2005, A 16

    Suppression of TSNA formation of Burley tobacco during storage using activated carbon and zeolite

    KATSUYA S.; TSUCHIYA S.; SAITO H.
    Japan Tobacco Inc., Leaf Tobacco Research Lab., Oyama, Tochigi, Japan.
    The content of tobacco specific nitrosamines (TSNA) often increases in the cured burley tobacco leaves during storage. It was considered that TSNA would be formed when alkaloids react with the NOx gas generated from nitrite existing in cured leaves. We ...
  3. CORESTA Congress, Kyoto, 2004, AP 03

    Suppression of TSNA formation in Burley cured leaves using a bulk curing barn

    KOGA K.; NARIMATSU C.; FUJII S.; ISHIWATA Y.; SAITO H.
    Japan Tobacco Inc., Leaf Tobacco Research Lab., Oyama, Tochigi, Japan.
    Tobacco specific nitrosamines (TSNA) in burley tobacco are formed during air-curing in the reaction of alkaloids, such as nicotine and nornicotine, with nitrite nitrogen. Nitrite in leaves is formed by the reduction of nitrate by microorganisms mainly in ...