Two strains of Salmonella enterica serovar Typhimurium (CECT
443 and CECT 722) were used for direct inoculation in challenge
experiments. Lactobacillus plantarum CECT 220, Staphylococcus xylosus
CECT 237 and Staphylococcus carnosus CECT 4491 were used as starter
cultures. All the strains were obtained from the Spanish Collection of
Type Cultures (CECT, Valencia, Spain).