Table 3. Analysis of the effects of humidification of air and different plasma modes on inactivation of S. Typhimurium.

Significant differences between following groups:	1 and 2	3 and 4	1 and 3	2 and 4	1 and 4	2 and 4
10 min/ 0 days storage	n.s.	n.s.	n.s.	n.s.	n.s.	n.s.
20 min/ 0 days storage	*	n.s.	*	n.s.	*	n.s.
0 min/ 7 days storage	n.s.	n.s.	n.s.	n.s.	n.s.	n.s.
10 min/ 7 days storage	n.s.	n.s.	*	n.s.	*	n.s.
20 min/ 7 days storage	n.s.	n.s.	*	n.s.	*	n.s.
0 min/ 14 days storage	n.s.	*	n.s.	n.s.	*	n.s.
10 min/ 14 days storage	n.s.	n.s.	*	*	*	*
20 min/ 14 days storage	*	n.s.	*	*	*	*

Significance is defined as p<0.05 *. n.s. = no significance. The groups 0 min/7 days storage and 0 min/14 days storage were negative controls.