Seaweed

Solvent

Zone of inhibition (mm)

S. wightii

M

P. aeruginosa

S. aureus

E. coli

7.0 ± 0.54

29.0 ± 1.22

-

B

14.0 ± 0.83

10.0 ± 0.54

11.0 ± 0.54

EA

9.0 ± 0.70

6.0 ± 0.44

7.0 ± 0.44

G. edulis

M

6.0 ± 0.54

6.0 ± 0.54

6.0 ± 0.54

B

12.0 ± 0.57

13.0 ± 0.57

12.0 ± 0.54

EA

11.0 ± 0.83

-

-

G. corticata

M

-

-

-

B

10.0 ± 0.44

9.0 ± 0.54

9.0 ± 0.0

EA

7.0 ± 0.44

7.0 ± 0.54

7.0 ± 0.0

U. lactuca

M

8.0 ± 0.44

6.0 ± 0.0

6.0 ± 0.54

B

12.0 ± 0.54

11.0 ± 0.83

12.0 ± 0.83

EA

6.0 ± 0.0

5.0 ± 0.0

8.0 ± 0.0