Table 3 Variability in percentage extraction of constituents from pouched snus
Constituent | Mean ± SD extraction (%) | Total variability (%) | Measurement variability (%) | Intra-subject variability (%) | Inter-subject variability (%) |
|---|---|---|---|---|---|
Chloride | 27.7±11.28 | 40.7 | 3.6 | 12.8 | 24.3 |
Propylene glycol | 29.7±10.62 | 35.8 | 3.2 | 8.8 | 23.8 |
Sodium | 24.8±11.21 | 45.2 | 5.1 | 15.2 | 24.9 |
Nicotine | 33.3±9.86 | 29.6 | 3.9 | 16.2 | 9.5 |
Ammonium | 28.3±9.88 | 34.9 | 3.8 | 14.0 | 17.1 |
Nitrate | 26.6±10.50 | 39.5 | 4.1 | 11.5 | 23.9 |
Linalyl acetate | 19.2±13.49 | 70.3 | 8.1 | 10.0 | 52.2 |
Geraniol | 23.7±14.40 | 60.8 | 9.5 | 29.7 | 21.6 |
Linalool | 30.4±9.65 | 31.7 | 3.9 | 3.7 | 24.1 |
Citronellol | 28.2±13.24 | 47.0 | 6.3 | 3.4 | 37.3 |
Total TSNAs | 35.8±7.85 | 21.9 | 2.4 | 10.5 | 9.0 |
NAT | 34.6±7.65 | 22.1 | 2.4 | 11.2 | 8.5 |
NNK | 37.8±8.10 | 21.4 | 3.1 | 10.9 | 7.4 |
NNN | 35.6±8.46 | 23.8 | 2.9 | 10.6 | 10.3 |
NAB | 36.3±7.72 | 21.3 | 2.9 | 11.7 | 6.7 |