A

Type of media

B

Average count after 0 hour

(log10)

C

Average count after 24 hours

(log10)

D

Average count after 48 hours

(log10)

E

Effect after

24 hours (C-B)

F

Effect after

48 hours (D-B)

G

Growth reduction after 24 hours

H

Growth reduction after 48

hours

1. Control

6.89

8.43

8.12

+1.54 Log

+1.23 Log

2. 5% JP

6.89

7.02

6.90

+0.13 Log

+0.01 Log

E1 − E2 = 1.51 Log

F1 − F2 = 1.22 Log

3. 10% JP

6.86

6.83

6.59

−0.03 Log

−0.27 Log

E1 − E3 = 1.57 Log

F1 − F3 = 1.5 Log

4. 25% JP

6.9

6.47

6.15

−0.43 Log

−0.54 Log

E1 − E4 = 2.0 Log

F1 − F4 = 1.77 Log