Table 3.
Levels of nicotine, nitrate, nitrite, and tobacco-specific N-nitrosamines in tobacco filler of Chinese cigarettes analyzed in this study.
No. | Moisture, % |
mg/g (wet weight) | ug/g (wet weight) | ||||
---|---|---|---|---|---|---|---|
Nicotine | Nitrite | Nitrate | NNN | NNK | Total TSNAb | ||
1 | 14.1 | 11.9 | 0.004 | 1.0 | 0.054 | 0.058 | 0.266 |
2 | 13.8 | 15.9 | 0.021 | 3.3 | 0.070 | 0.073 | 0.319 |
3 | 12.7 | 7.9 | < 0.001 | 4.7 | 0.073 | 0.060 | 0.300 |
4 | 15.1 | 10.0 | 0.016 | 7.0 | 0.066 | 0.080 | 0.337 |
5 | 16.9 | 7.5 | 0.050 | 32.8 | 0.237 | 0.110 | 0.82 |
6 | 16.4 | 10.9 | 0.019 | 3.3 | 0.076 | 0.132 | 0.422 |
7 | 15.6 | 13.1 | < 0.001 | 0.9 | 0.054 | 0.060 | 0.258 |
8 | 15.7 | 12.4 | < 0.001 | 8.2 | 0.282 | 0.127 | 0.842 |
9 | 15.2 | 15.5 | 0.014 | 1.9 | 0.089 | 0.058 | 0.298 |
10 | 12.7 | 16.3 | 0.009 | 0.4 | 0.097 | 0.066 | 0.353 |
11 | 13.6 | 12.8 | 0.007 | 1.2 | 0.090 | 0.072 | 0.336 |
12 | 14.7 | 13.4 | < 0.001 | 2.9 | 0.113 | 0.047 | 0.356 |
13 | 14.7 | 9.6 | 0.009 | 13.3 | 1.95 | 0.171 | 2.93 |
14 | 15.0 | 10.3 | 0.016 | 14.4 | 4.67 | 0.286 | 6.38 |
15 | 13.7 | 13.2 | 0.011 | 1.8 | 0.043 | 0.071 | 0.310 |
16 | 14.1 | 13.3 | 0.011 | 1.3 | 0.036 | 0.040 | 0.232 |
17 | 14.8 | 15.5 | 0.030 | 5.5 | 0.099 | 0.060 | 0.326 |
18 | 16.6 | 17.4 | 0.027 | 0.9 | 0.118 | 0.059 | 0.341 |
19 | 15.9 | 14.9 | 0.069 | 1.1 | 0.035 | 0.053 | 0.183 |
20 | 15.4 | 15.9 | 0.019 | 2.3 | 0.041 | 0.071 | 0.228 |
21 | 15.6 | 16.3 | 0.027 | 1.4 | 0.040 | 0.042 | 0.195 |
22 | 19.0 | 16.4 | < 0.001 | 5.8 | 0.063 | 0.059 | 0.252 |
23 | 16.4 | 23.2 | 0.012 | 0.8 | 0.052 | 0.055 | 0.229 |
24 | 14.7 | 17.8 | 0.010 | 4.1 | 0.081 | 0.049 | 0.274 |
25 | 13.1 | 23.3 | 0.011 | 3.3 | 0.027 | 0.048 | 0.167 |
26 | 13.4 | 23.0 | 0.046 | 0.9 | 0.058 | 0.064 | 0.238 |
27 | 13.3 | 15.5 | 0.023 | 2.4 | 0.076 | 0.054 | 0.267 |
28 | 12.7 | 19.1 | 0.043 | 3.4 | 0.110 | 0.079 | 0.40 |
29 | 13.9 | 17.5 | 0.022 | 1.3 | 0.060 | 0.041 | 0.187 |
30 | 14.1 | 16.8 | 0.036 | 6.4 | 0.132 | 0.059 | 0.405 |
31 | 14.3 | 15.9 | 0.026 | 8.4 | 0.099 | 0.057 | 0.370 |
32 | 12.2 | 21.1 | 0.032 | 4.1 | 0.082 | 0.060 | 0.248 |
33 | 15.9 | 15.9 | < 0.001 | 3.1 | 0.131 | 0.087 | 0.418 |
34 | 13.5 | 18.7 | < 0.001 | 0.2 | 0.020 | 0.037 | 0.103 |
35 | 15.8 | 18.6 | 0.084 | 8.3 | 0.586 | 0.343 | 1.51 |
36 | 14.0 | 16.3 | 0.033 | 1.6 | 0.083 | 0.074 | 0.285 |
37 | 15.6 | 14.1 | 0.031 | 2.6 | 0.072 | 0.032 | 0.201 |
38 | 15.4 | 17.4 | 0.099 | 12.6 | 0.752 | 0.189 | 1.40 |
39 | 13.9 | 21.6 | 0.052 | 4.1 | 0.067 | 0.057 | 0.234 |
40 | 13.4 | 17.5 | 0.031 | 0.5 | 0.062 | 0.051 | 0.25 |
41 | 13.6 | 16.3 | 0.018 | 3.0 | 0.098 | 0.064 | 0.35 |
42 | 21.4 | 17.8 | 0.019 | 1.4 | 0.554 | 0.322 | 1.81 |
43 | 12.9 | 14.2 | 0.029 | 5.9 | 1.10 | 1.35 | 4.07 |
Average | 14.8 | 15.7 | 0.024 | 4.5 | 0.276 | 0.088 | 0.61 |
SD | 1.7 | 3.8 | 0.022 | 5.6 | 0.756 | 0.071 | 1.04 |
Below the limit of detection for nitrite assay (0.001 µg/g tobacco).
Total TSNA, sum of the four TSNA analyzed in this study: NNN, NNK, NAT, and NAB.