Method of treating tobacco to reduce nitrosamine content,...

Details Method of treating tobacco to reduce nitrosamine content,... Method of treating tobacco to reduce nitrosamine content,...

A - Human Necessities

24

B

A24B 15/22 (2006.01) A24B 15/10 (2006.01) A24B 15/18 (2006.01)

Patent

CA 2262866

Methods of reducing the content of and preventing formation of carcinogenic nitrosamines in harvested leafy plants such as tobacco and marijuana, are disclosed. The methods are directed to subjecting the plant to microwave radiation, at appropriate times in the cure cycle. With tobacco, products suitable for human consumption, such as cigarettes, cigars, etc.. can be made in accordance with the present invention, having contents of tobacco-specific nitrosamines on a par with fresh-cut, green tobacco. In preferred embodiments, the resultant tobacco products are dried, golden-yellow leaves having almost negligible amounts of the known carcinogens NNN and NNK, in comparison to conventionally cured tobacco.

L'invention concerne des procédés permettant de réduire la teneur en nitrosamines carcinogènes et d'empêcher leur formation dans des plantes à feuille récoltées telles que le tabac et la marihuana. Lesdits procédés consiste à exposer la plante à un rayonnement électromagnétique, à un moment approprié du cycle de séchage. Avec le tabac, on peut fabriquer selon le procédé de l'invention des produits propres à la consommation par l'homme, tels que des cigarettes, des cigares etc., ayant une teneurs en nitrosamines spécifiques du tabac associées au tabac vert fraîchement coupé. Dans les modes de réalisation préférés, les produits du tabac résultants sont ensuite séchés, les feuilles dorées présentant des quantités relativement négligeables de carcinogènes connus NNN et NNK par rapport au tabac séché de manière classique.

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