Introduction:

Each year approximately 3 million people die as the result of foodborne diseases. The fresh artisan (handmade) cheese produced and distributed in the Colombian Caribbean region is a native product from the departments of Córdoba, Sucre, Bolívar, Atlántico, Magdalena, Cesar, and La Guajira. Its mass consumption increases the risk of infection with Salmonella spp., Listeria spp., and Brucella spp., as it is made with a very rustic technology, with unpasteurized cow milk, without standardized and hygienic procedures and its storage is inadequate.

Objective:

To detect the presence of Salmonella spp., Listeria spp., and Brucella spp. in samples of fresh artisan cheese from the Colombian Caribbean region.

Materials and methods:

Twenty-seven samples of cheese from five departments of the Caribbean Region (Atlántico (n=6), Bolívar (n=2), Córdoba (n=1), Magdalena (n=16), and Sucre (n=2)) were analyzed by real-time polymerase chain reaction (qPCR). Seventeen of the samples corresponded to soft cheese, five to semi-hard cheese and five to hard cheese.

Results:

In 62.9% (17/27) of the samples we detected Salmonella spp., in 70.4% (19/27), Listeria spp., and in 22.2% (6/27), Brucella spp., mainly from the department of Magdalena. In 62.5% (10/16) of the samples we detected Salmonella spp. and Listeria spp. while in the department of Atlántico, 50% (3/6) of the samples corresponded to Brucella spp.

Conclusion:

The results confirmed the presence of these microorganisms in all the samples of soft cheese from the Colombian Caribbean region.

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