Process for removing nitrogen-containing anions and tobacco-spec

Details Process for removing nitrogen-containing anions and tobacco-spec Process for removing nitrogen-containing anions and tobacco-spec

1993-09-07

1998-09-22

Seidleck, James J.

Tobacco

Tobacco treatment

Extraction of component, other than moisture, by contact...

131334, 131341, 131344, 131298, 131347, 423157, 423194, 423208, A24B 1524, A24B 1526

Patent

active

058100202

ABSTRACT:
There is disclosed a process for denitrifying tobacco materials and removing barium from tobacco materials, comprising mixing an aqueous-immiscible organic solvent containing a crown ether with an aqueous solution containing soluble components from tobacco materials, agitating this mixture, and separating the organic phase containing a crown ether-cation-nitrate (or nitrite) complex from the aqueous phase containing the denitrified tobacco materials, wherein the cation consists essentially of barium and potassium. There is further disclosed a process for eliminating tobacco-specific nitrosamines (TSNAs) from cured, denitrified tobacco material, comprising contacting the denitrified tobacco material with a trapping sink, wherein the trapping sink comprises a select transition metal complex which is readily nitrosated to form a nitrosyl complex with little kinetic or thermodynamic hindrance.

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