Research Article

Nitrate and Nitrite Promote Formation of Tobacco-Specific Nitrosamines via Nitrogen Oxides Intermediates during Postcured Storage under Warm Temperature

Table 1

Effects of added nitrite on TSNAs formation in flue-cured tobacco stored at 45°C for 15 d.

Storage conditionsAddition of (mg)NNN (μg/g)NAT (μg/g)NAB (μg/g)NNK (μg/g)Total TSNAs (μg/g)

Before storage0
45°C for 15 d0
33
67
100
133

Note. Each value represents the mean of three independent samples, and uppercase letters indicate significant differences between the treatments at .