112 



US Patent 4,830,028 



(assignee: R.J. Reynolds Tobacco Company) 



Control 1 Sample 1 Sample 2 Sample 3 



1% nicotine 3% nicotine 5% nicotine 



salt added salt added salt added 



Buriey 9% 

 Flue-cured 41% 

 Reconstituted 32% 

 Oriental 18% 



SPRAY QN 



L-nicotine levulinatel 

 (32% nicotine) ?• 



as 1:1 with water J 



BLEND IN 



Expanded 

 Buriey 75% 

 Expanded 

 Flue-cured 25' 



% J 



Total nicotine 



FTC nicotine 



Smoke pH 



Organoleptic 

 compared to control 



Example 2: 



Tobacco weight: 0.742 g; Air dilution 50% 



Chart G 



