Microorganisms

Petroleum ether

DCM

Methanol

Kanamycin

300

μg/disc

600

μg/disc

300

μg/disc

600

μg/disc

300

μg/disc

600

μg/disc

30

μg/disc

Gram-positive bacteria Zone of inhibition (mm)

Sarcina lutea

-

-

8.3 ± 0.5

12.3 ± 1.5

-

-

30.1 ± 0.1

Bacillus megaterium

-

-

-

7.3 ± 0.5

-

8.6 ± 0.5

30.0 ± 0.5

Bacillus subtilis

ATCC 6059

-

-

8.0 ± 0.1

11.0 ± 0.1

-

-

30.3 ± 0.3

Staphylococcus

aureus ATCC 25923

-

7.3 ± 0.5

7.3 ± 0.5

10.1 ± 0.1

-

-

34.0 ± 0.5

Bacillus cereus

ATCC 14579

-

-

-

8.3 ± 0.5

-

7.5 ± 0.5

30.0 ± 0.5

Gram-negative bacteria

Pseudomonas

aeruginosa

ATCC 27853

-

-

8.4 ± 0.1

11.0 ± 1.0

7.3 ± 0.5

28.1 ± 0.1

Salmonella typhi

ATCC 13311

-

-

-

-

-

7.3 ± 0.5

17.5 ± 0.6

Escherichia coli

ATCC 25922

-

7.3 ± 0.5

8.0 ± 1.0

12.0 ± 0.5

8.1 ± 0.1

10.3 ± 1.5

30.3 ± 0.3

Vibrio mimicus

ATCC 33653

-

-

-

8.0 ± 0.5

-

-

13.5 ± 0.6

Shigella boydii ATCC 13147

-

-

-

8.2 ± 0.2

-

-

23.0 ±0.5

Shigella dysenteriae ATCC 26131

-

-

8.5 ± 0.6

9.6 ± 0.6

7.5 ±0.5

9.3 ± 1.5

24.2 ± 0.2