Organisms

Concentration

Inhibition zone (mm) of extract

(mg/ml)

96% ethanol

Chloroform

Ethyl acetate

Bacillus subtilis

1.00

18

14

20

0.75

18

14

18

0.50

20

14

18

0.25

20

15

17

Klebsiella spp.

1.00

11

14

11

0.75

11

14

12

0.50

14

14

15

0.25

14

14

16

Escherichia coli

1.00

14

14

13

0.75

15

14

14

0.50

20

16

12

0.25

13

16

15

Proteus vulgaris

1.00

20

11

14

0.75

21

15

16

0.50

22

12

18

0.25

22

14

20

Serratia marcescens

1.00

14

18

15

0.75

17

17

15

0.50

20

17

18

0.25

20

18

20

Enterrococcus fecealis

1.00

13

12

12

0.75

14

14

13

0.50

15

16

16

0.25

15

16

16