Organism

Positive control

Chloramphenicol

Essential oil

Inhibition zone (mm)

(25 µg/disc)

MIC (µg/mL)

Inhibition zone (mm)

(4.55 mg/disc)

MIC (mg/mL)

S. aureus cc*

16.33 ± 0.047

2.0

32.66 ± 2.01

0.5

S. aureus 23MR*

22.33 ± 0.047

7.0

17.33 ± 2.57

0.5

S. aureus FES-C*

22.33 ± 0.47

4.0

30.0 ± 3.48

0.5

S. aureus FES-I*

23.33 ± 0.47

4.0

24.0 ± 0.00

0.25

S. epidermidis ATCC 12228*

18.00 ± 0.82

2.0

21.00 ± 1.41

0.5

S. epidermidis FES-C*

28.00 ± 0.00

2.0

16.00 ± 2.82

0.5

E. faecalis ATCC 14506*

16.00 ± 0.82

3.0

22.00 ± 2.16

1.0

E. aerogenes ATCC 13048**

21.00 ± 0.82

2.0

6.33 ± 0.57

2.0

E. coli FES-I**

23.00 ± 0.00

4.0

9.66 ± 1.54

1.0

E. coli 82MR**

22.67 ± 0.47

4.0

13.66 ± 1.54

0.75

K. oxytocaATCC 8724**

20.67 ± 0.47

1.0

15.33 ± 3.51

1.0

K. pneumoniaeATCC 13383**

27.00 ± 0.00

1.0

9.66 ± 0.57

1.0

S. enterica ATCC 7251**

19.33 ± 0.47

1.0

18.00 ± 0.00

1.0

S. typhiATCC 19430**

20.00 ± 0.00

8.0

9.66 ± 0.57

1.0

S. marcescensATCC 14756**

19.67 ± 0.47

2.0

10.33 ± 1.52

0.75