113 



US Patent 4,830,028 



(assignee: R.J. Reynolds Tobacco Company) 



Control 2 



Burley 43% 

 Flue-cured 6% 

 Reconstituted 19% 

 Turkish 32% 



SPRAY ON 



L-nicotlne levulinate 

 (32% nicotine) 

 as 1:1 with water 



BLEND IN 



Expanded 

 Burley 75% 

 Expanded 

 Flue-cured 25% 



Total nicotine 



FTC nicotine 



Sample 4 

 3% nicotine 

 salt added 



Sample 5 

 7% nicotine 

 salt added 



Sample 6 



10% nicotine 



salt added 



Smoke pH 



Organoleptic 

 compared to control 



Example 3: 



Tobacco weight: 0.4875 g; Air dilution 75% 



Control 3: Add nicotine (not as salt) to make total nicotine 3.92% (19.1 mg), 



Organoleptic "Is extremely harsh and Is not palatable." 



Sample 7: Add nicotine (not as salt) to make total nicotine 4.53% (22.1 mg). 

 Organoleptic "exhibits a smooth smoking character and Is palatable." 



Chart H 



