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

Figure 3

Effects of added nitrate on TSNAs formation in flue-cured tobacco stored at 45°C for 15 d. Note. For all experiments, each value represents the mean of three independent samples. Uppercase letters indicate significant differences between the treatments at .

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