Research Article

Effect of NaCl on Heat Resistance, Antibiotic Susceptibility, and Caco-2 Cell Invasion of Salmonella

Table 1

Reductions (mean ± SD; ) of S. typhimurium NCCP10812 and S. enteritidis NCCP12243, which were exposed to single concentrations (0, 2, and 4%) of NaCl and sequentially increased NaCl concentrations up to 4%, during heat challenge at 60°C for 60 min.

Salmonella strainsHeating time (minutes)Single concentration of NaCl (%)Sequential increase of NaCl (%)
0240→00→4

S. typhimurium NCCP108120
20
40
60

S. enteritidis NCCP122430
20
40
60

Means within the same column with different superscript letters are different ( ). Means within the same row with different superscript letters are different ( ). Means within the same column with different superscript letters are different ( ). Means within the same row with different superscript letters are different ( ).