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

Table 2

The desorption rate of NOx at 60°C for different time.

Treatment		NO (ppm)		NOx (ppm)
		15 min	90 min	15 min	90 min
AC (Control)
AC used in Figure 5	Treatment 3 (2 g AC)
	Treatment 4 (10 g AC)
AC used in Figure 6	Treatment 3 (2 g AC)
	Treatment 4 (10 g AC)

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