Research Article

Listeria monocytogenes in Ready-to-Eat Seafood and Potential Hazards for the Consumers

Table 2

Products resulting positive to L. monocytogenes.

Sample no.Type of productTemperature of storageL. monocytogenesculture qualitative testL. monocytogenesculture quantitative test (cfu/g)L.monocytogenes PCR

1Seafood saladT0Positive<5Positive
T0Positive<5Positive
2Salmon carpaccio4°CPositive<5Positive
10°CPositive330Positive
3 Marinated seafood Cocktail4°CPositive<5Positive
10°CNeg.<5Positive
4Octopus Carpaccio4°CNeg.<5Positive
5 Cooked and marinated mackerel filletsT0Positive<5Positive
10°CNeg.<5Positive
6 smoked salmon4°CNeg.<5Positive
10°CNeg.<5Positive
T0Positive<5Positive
7Fresh salmon in protective atmosphere4°CPositive<5Positive
10°CPositive<5Positive
T0Neg.<5Positive
8Smoked salmon4°CPositive<5Positive
10°CPositive140,000Positive
9 Fresh salmon in protective atmosphere4°CPositive<5Positive
10°CPositive<5Positive
10Smoked salmonT0Positive6,600Positive
11Salmon Carpaccio10°CNeg.<5Positive
12Cooked and marinated mackerel filletsT0Positive<5Positive