FIG 6.

Survival of L. monocytogenes EGDe (initial inoculum, 1 × 10⁷ cells) in a commercial chocolate milk product in the presence of cinnamaldehyde (CN) at 210 μg/ml plus 50 μg/ml of nisin SPP A and V (A) and L. monocytogenes F2365 (initial inoculum, 1 × 10⁷ cells)in a commercial chicken noodle soup product in the presence of carvacrol (CA) at 195.2 μg/ml plus 50 μg/ml of nisin SPP A and V (B). Samples were incubated at 37°C for 3 h prior to plate count analysis on Listeria selective agar (LSA). ND, not detected. Asterisks indicate statistically significant differences between groups (P < 0.05).