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

-

4.5 ± 0.3^a

4.5 ± 0.3^a

4.2 ± 0.3^a

W

1

3.4 ± 0.2^b

3.5 ± 0.1^b

3.8 ± 0.4^a

1.1

1.0

0.4

HP

1

2.3 ± 0.2^c

2.6 ± 0.2^c

2.6 ± 0.1^b

2.1

2.0

1.6

CHICO Wash™

1

3.2 ± 0.4^c

2.6 ± 0.3^c

2.9 ± 0.7^b

1.3

1.9

1.3

C8C10 (0.2%)

1

3.2 ± 0.1^c

3.2 ± 0.2^d

3.3 ± 0.3^a

1.3

1.3

0.9

C8C10 (0.4%)

1

3.4 ± 1.3^b

3.2 ± 0.4^d

3.1 ± 0.3^b

1.1

1.3

1.1

CG100 (0.2%)

1

3.7 ± 0.2^a

3.3 ± 0.4^d

3.1 ± 0.3^b

0.8

1.2

1.1

CG100 (0.4%)

1

3.3 ± 0.6^bc

3.0 ± 0.5^cd

3.1 ± 0.4^b

1.2

1.5

1.0

W

2

3.3 ± 0.5^b

3.7 ± 0.6^b

3.6 ± 0.5^a

1.1

0.9

0.6

HP

2

2.6 ± 0.7^c

2.8 ± 0.3^c

2.0 ± 0.1^c

1.9

1.7

2.1

CHICO Wash™

2

3.2 ± 0.8^c

2.5 ± 1.0^c

2.2 ± 0.5^c

1.3

2.0

2.0

C8C10 (0.2%)

2

3.4 ± 0.3^b

3.5 ± 0.4^b

3.3 ± 0.3^a

1.1

1.0

0.9

C8C10 (0.4%)

2

3.5 ± 0.3^b

3.3 ± 0.4^b

3.2 ± 0.4^b

1.1

1.0

0.4

CG100 (0.2%)

2

3.4 ± 0.4^b

3.5 ± 0.5^b

3.6 ± 0.1^a

2.1

2.0

1.6

CG100 (0.4%)

2

3.1 ± 0.8^c

2.6 ± 0.4^c

3.1 ± 0.8^b

1.3

1.9

1.3