Treatments

Time (minutes)

Surviving E. coli O157:H7 population* (Log₁₀ CFU/g)

E. coli O157:H7 Log₁₀ reduction**

Day 0

Day 1

Day 3

Day 0

Day 1

Day 3

PC

-

4.0 ± 0.1^a

4.0 ± 0.5^a

4.1 ± 0.2^a

W

1

2.7 ± 0.1^b

3.0 ± 0.3^b

2.2 ± 0.3^b

1.2

1.0

1.9

HP

1

1.9 ± 0.6^c

1.7 ± 0.9^c

1.0 ± 0.2^c

2.1

2.3

3.0

CHICO Wash™

1

2.6 ± 0.9^bd

1.5 ± 1.1^c

2.5 ± 1.1^d

1.4

2.5

1.6

C8C10 (0.2%)

1

2.5 ± 0.3^bd

3.1 ± 0.7^b

2.3 ± 0.2^d

1.5

1.0

1.7

C8C10 (0.4%)

1

2.7 ± 0.2^b

2.8 ± 1.7^b

2.4 ± 0.2^d

1.3

1.3

1.6

CG100 (0.2%)

1

2.0 ± 0.2^c

1.9 ± 0.2^c

2.0 ± 0.4^b

1.9

2.1

2.0

CG100 (0.4%)

1

2.0 ± 0.3^c

1.7 ± 0.6^c

1.4 ± 0.9^c

2.0

2.4

2.7

W

2

3.4 ± 0.5^a

3.2 ± 0.4^b

2.3 ± 0.2^d

0.6

0.8

1.7

HP

2

2.4 ± 1.1^bd

1.5 ± 0.6^c

1.4 ± 0.6^c

1.5

2.6

2.7

CHICO Wash™

2

2.1 ± 0.7^c

1.8 ± 0.9^c

1.8 ± 0.9^cd

1.9

2.2

2.3

C8C10 (0.2%)

2

2.9 ± 0.8^b

3.1 ± 0.4^b

2.4 ± 0.3^d

1.0

1.0

1.7

C8C10 (0.4%)

2

2.5 ± 0.3^b

2.5 ± 0.4^bd

2.4 ± 0.2^d

1.4

1.5

1.7

CG100 (0.2%)

2

2.3 ± 0.2^bd

2.3 ± 0.2^d

2.2 ± 0.3^b

1.7

1.8

1.9

CG100 (0.4%)

2

2.1 ± 0.5^c

1.5 ± 0.8^c

1.4 ± 0.6^c

1.9

2.5

2.6