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Table 6 Antibacterial activity of the essential oil of Thymus algeriensis

From: In-vitro assessment of antioxidant and antimicrobial activities of methanol extracts and essential oil of Thymus hirtus sp. algeriensis

Micoorganisms

Essential oil

Antibiotics

 

MOK

MT

MG

SMc(10 μg/μl)

CPd(30 μg/μl)

PCe(30 μg/μl)

 

DDa

MICb

DD

MIC

DD

MIC

DD

MIC

DD

MIC

DD

MIC

Staphylococcus aureus ATCC 25923

22

4.50

63

1.50

63

1.70

15

20.00

33

2.00

nt

nt

Bacillus subtilis 166

36

5.50

30

4.00

25

4.50

22

5.00

20

1.00

nt

nt

Salmonella enteridis ATCC 502

9

22.00

43

2.00

65

1.50

13

20.00

27

1.50

nt

nt

E.coli GM 109

30

4.00

50

1.80

30

4.20

15

23.00

27

1.50

nt

nt

Pseudomonas aeruginosa

9

22.00

74

0.90

30

4.50

17

20.00

28

1.50

nt

nt

Listeria monocytogynes

20

7.50

45

2.00

32

4.00

ntf

nt

nt

nt

10

22.00

  1. aDD, disc diffusion method as recommended by NCCLS. Diameter of zone of inhibition (mm) including disk diamater of 6 mm, bMIC, minimum inhibitory concentration; Value given as mg/ml (for the essential oil) and as μg/ml (for antibiotics); cSM, Chloramphenicol (30 μg/μl); dCP, Streptomycin (10 μg/μl); ePC, Penicillin (30 μg/μl); fnt, not tested.