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Table 1 Comparison of literature values for ethyl carbamate in tobacco to values measured in the current study

From: Ethyl carbamate in Swedish and American smokeless tobacco products and some factors affecting its concentration

Tobacco type Previous studies The current study
Samples measured [EC] (ng/g WWB) References Samples measured [EC] (ng/g WWB)
Swedish snus 17 Lsnus < 60 (DWB) Stepan et al. [22] 10 Lsnus < 20–37
12 Psnus < 60–284 (DWB) 22 Psnus < 20–84
US moist snuff 15 MS < 90 Oldham et al. [21] 16 MS < 20–688
CRP2 38   
Dry snuff 5 DS < 20
Chewing tobacco CRP 4 < 60 (DWB) Stepan et al. [22] 13 CT < 20
Hard pellet 2 < 20
Soft pellet 1 < 20
US snus 1 < 90 Oldham et al. [21]
Burley tobacco 2 Experimental samples 310, 375 Schmeltz et al. [14]
Cigarette blends 10 German blends < 0.7 Schroth [18]
3 German blends 1.4–2.9
2 US blends < 10 Clapp et al. [17]
23 US blends < LODa Teillet et al. [19]
Fine cut smoking tobacco (FCSA) 7 FCSA blends < LODa
  1. aUnspecified