Table 3 Zones of Inhibition (mm), Mean ± SD for Antibiotic and M. chamomilla extracts.

From: Phytochemical composition and antimicrobial activity of Matricaria chamomilla ethanolic extracts against clinical bacterial isolates in Ibb City, Yemen

Antimicrobials/

microbes

Antibiotic IZ (mm)

Extracts IZ (mm)

Control

Azm

15

Gen

10

CIP

5

OF

5

COT

75

CFM

5

LE

5

NX

10

IPM

10

Mean ± SD

LE

Mean ± SD

FL

Mean ± SD

DMSO

IZ (mm)

S. aureus

28

24

24

26

24

11

28

22

26

23.7 ± 10.8

24 ± 1

15 ± 1

0

E. coli

24

24

24

40

24

R

20

34

24

23.8 ± 4.5

0 ± 0

17 ± 1

0

Salmonella spp

15

25

25

30

26

25

24

30

28

25.3 ± 6.4

15 ± 1

15 ± 1

0

P. aeruginosa

12

12

R

R

R

R

R

R

14

4.2 ± 5.1

15 ± 0

0 ± 0

0

  1. Where: IZ: inhibition zone, Azm15: azithromycin, Gen: gentamicin, CIP5: ciprofloxacin, OF5: ofloxacin, COT75: clotrimazole, CFM5: cefexime, LE5: levofloxacin, NX10: nalidixic acid, IPM10: impepem L: leaves, F: Flower. Inhibition zones were measured in mm. Values represent mean ± SD of triplicate experiments. R = resistant. IZ = inhibition zone (mm); L = leaves; F = flowers; Values represent mean ± SD of triplicate measurements; 10% DMSO used as solvent control, no inhibition observed; R = resistant.
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