| Seafood Matrix | Listeria Culture | Treatment | |
| NHS | HS | ||
| Cooked Shrimp | 1/2a | 1.45 ± 0.18 a | 2.79 ± 0.15 b |
| 1/2b | 1.41 ± 0.13 a | 2.92 ± 0.48 b | |
| Crab Meat | 1/2a | 1.82 ± 0.15 a | 4.62 ± 0.63 b |
| 1/2b | 1.78 ± 0.15 a | 5.05 ± 0.62 b | |
| Smoked Salmon | 1/2a | 1.68 ± 0.09 a | 2.22 ± 0.28 a |
| 1/2b | 1.92 ± 0.16 a | 2.22 ± 0.28 a | |