1

2

3

4

5

6

7

8

9

10

11

12

A

Growth control

256 μg/ml

128 μg/ml

64 μg/ml

32 μg/ml

16 μg/ml

8 μg/ml

4 μg/ml

2 μg/ml

1 μg/ml

0.5 μg/ml

0.25 μg/ml

B

8 μg/ml

C

4 μg/ml

D

2 μg/ml

E

1 μg/ml

F

0.5 μg/ml

G

0.25 μg/ml

H

0.12 μg/ml

Sterility control