Salmonella spp. in low water activity food: Occurrence, survival mechanisms, and thermoresistance

Morasi, Rafaela Martins; Rall, Vera Lúcia Mores; Dantas, Stéfani Thais Alves; Alonso, Vanessa Pereira Perez; Silva, Nathália Cristina Cirone

Salmonella spp. in low water activity food: Occurrence, survival mechanisms, and thermoresistance

2022

Morasi, Rafaela Martins | Rall, Vera Lúcia Mores | Dantas, Stéfani Thais Alves | Alonso, Vanessa Pereira Perez | Silva, Nathália Cristina Cirone

The occurrence of disease outbreaks involving low‐water‐activity (aw) foods has gained increased prominence due in part to the fact that reducing free water in these foods is normally a measure that controls the growth and multiplication of pathogenic microorganisms. Salmonella, one of the main bacteria involved in these outbreaks, represents a major public health problem worldwide and in Brazil, which highlights the importance of good manufacturing and handling practices for food quality. The virulence of this pathogen, associated with its high ability to persist in the environment, makes Salmonella one of the main challenges for the food industry. The objectives of this article are to present the general characteristics, virulence, thermoresistance, control, and relevance of Salmonella in foodborne diseases, and describe the so‐called low‐water‐activity foods and the salmonellosis outbreaks involving them.

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