Concentration

µg/ml

Zone of Inhibition (mm)

E. coli

S. aureus

Sample A

Sample B

Sample C

Sample A

Sample B

Sample C

Sample A (100)

11

11

12

11

12

12

Sample A (125)

13

12

13

12

13

14

Sample A (150)

15

14

14

14

14

15

25% DMSO

-

-

-

-

-

-

Gentamicin (5)

14

14

14

20

20

20