Day

Mean population of S. Typhimurium (Log CFU/g)

Bac. change 0.5%^c

Positive control

0.1%

0.2%

0.3%

0.4%

0.5%

0

5.49 ± 0.23^ax

5.57 ± 0.52^ax

5.65 ± 0.77^ax

5.72 ± 0.22^ax

5.86 ± 0.17^ax

5.75 ± 0.23^ax

+0.26

3

6.34 ± 0.48^ax

6.29 ± 0.58^abx

5.78 ± 0.29^abx

5.34 ± 0.21^abx

5.57 ± 0.24^abxy

5.14 ± 0.42^bxy

−1.20

5

5.80 ± 0.11^ax

5.79 ± 0.27^ax

5.75 ± 0.32^ax

5.57 ± 0.41^ax

5.37 ± 0.05^ay

5.27 ± 0.14^axy

−0.53

7

6.07 ± 0.38^ax

5.89 ± 0.24^abx

5.71 ± 0.36^abx

5.49 ± 0.48^abx

5.26 ± 0.18^aby

5.03 ± 0.24^by

−1.04

Bac. change^d

+0.58

+0.32

+0.06

−0.23

−0.60

−0.72