Organism

Concentration

(mg/ml)

Inhibition zone (mm) of extract

96% ethanol

Chloroform

Methanol

Bacillus subtilis

1.00

24

18

24

0.75

22

17

22

0.50

16

15

20

0.1

11

11

14

Staphylococcus aureus

1.00

28

15

35

0.75

28

20

20

0.50

16

15

25

0.1

12

12

15

Escherichia coli

1.00

20

13

20

0.75

18

17

23

0.50

14

14

18

0.10

11

13

11

Proteus vulgaris

1.00

22

20

27

0.75

18

18

18

0.50

18

15

20

0.10

12

13

14

Klebsiella spp.

1.00

15

14

16

0.75

14

15

18

0.50

14

13

15

0.1

10

11

11

Shigella spp.

1.00

20

14

20

0.75

17

13

11

0.50

12

12

15

0.1

10

11

11