Table 1.
Pouch Weights, pH, Moisture content, Nicotine, and the Sum of NNN and NNK in Camel Snus and Marlboro Snus Purchased and Analyzed Between 2006 and 2010.
| Product | Pouch description (no. of samples) | Weight per pouch, mg | % Moisture | pH | Total nicotine, M (SD) | Unprotonated nicotine, M (SD) | NNN + NNK, M (SD) | ||||
| M (SD) | M (SD) | M (SD) | mg/g wet wt | mg/pouch | % of total | mg/g wet wt | mg/pouch | µg/g wet wt | µg/pouch | ||
| Camel Snus | Original, introduced in 2006 (11) | 370 (23) | 31 (4) | 7.50 (0.2) | 13.0 (3.2) | 4.75 (0.9) | 24.2 (6.9) | 3.20 (1.4) | 1.17 (0.5) | 0.98 (0.2) | 0.36 (0.1) |
| Medium, introduced in 2008 (43) | 531 (51) | 31 (3) | 7.47 (0.2) | 11.4 (1.9) | 6.04 (1.0) | 23.2 (8.2) | 2.60 (0.8) | 1.39 (0.5) | 0.98 (0.2) | 0.52 (0.1) | |
| Large, introduced in 2010 (6) | 970 (90) | 34 (1) | 7.67 (0.1) | 9.4 (0.4) | 9.14 (0.9) | 30.8 (3.4) | 2.89 (0.3) | 2.82 (0.5) | 1.23 (0.1) | 1.19 (0.1) | |
| Marlboro Snus | Original, introduced in 2007 (12) | 240 (11) | 10 (1) | 6.74 (0.2) | 14.1 (1.9) | 3.39 (0.5) | 7.0 (3.0) | 0.79 (0.4) | 0.19 (0.1) | 1.27 (0.7) | 0.31 (0.2) |
| Large, introduced in 2009 (75) | 410 (26) | 16 (3) | 6.75 (0.1) | 17.3 (2.9) | 7.09 (1.4) | 5.2 (1.3) | 0.89 (0.2) | 0.36 (0.1) | 0.50 (0.1) | 0.21 (0.1) | |
Note. NNK = 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone; NNN = N’-nitrosonornicotine.