Tobacco treatment

Details Tobacco treatment Tobacco treatment

A - Human Necessities

24

B

A24B 15/24 (2006.01) A24B 15/26 (2006.01)

Patent

CA 2400408

The invention relates to a method of treating tobacco to reduce or eliminate nitrosamines therefrom. The method comprises the use of a supercritical fluid extraction medium at elevated temperature and pressure to selectively remove nitrosamines compared with nicotine removal. The nitrosamine content for all tobacco types can be reduced.

L'invention concerne un procédé de traitement du tabac destiné à réduire ou à éliminer les nitrosamines qu'il contient. Le procédé consiste à utiliser un milieu d'extraction de fluide supercritique à pression et température élevées afin d'extraire sélectivement les nitrosamines par rapport à l'extraction de nicotine. Il est possible de réduire la teneur en nitrosamines de tous les types de tabac.

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