Skip to main content

Table 4 Bacteriostatic (-) and Bactericidal (+) effects of combination of polyphenol-rich fractions with Co-trimoxazol

From: Antimicrobial activity of polyphenol-rich fractions from Sida alba L. (Malvaceae) against co-trimoxazol-resistant bacteria strains

Microorganisms

MIC (μg/ml)

MBC (μg/ml)

MBC/MIC

Effect

Shigella dysenteria

25 ± 0.00

50 ± 0.00

2

+

Shigella boydii

25 ± 0.00

50 ± 0.00

2

+

Shigella flexneri

25 ± 0.00

50 ± 0.00

2

+

Salmonella thyphi

25 ± 0.00

200 ± 0.00

4

-

Klebsiella pneumonia

100 ± 0.00

400 ± 0.00

4

-

Klebsiella arogenes

100 ± 0.00

400 ± 0.00

4

-

Escherichia coli

100 ± 0.00

400 ± 0.00

4

-

Enterococcus faecalis

12.5 ± 0.00

25 ± 0.00

2

+

Enterobacter aeruginosa

100 ± 0.00

400 ± 0.00

4

-

Proteus mirabilis

12.5 ± 0.00

25 ± 0.00

2

+

  1. The results are the means of number of the colonies ± standard deviations
  2. +: bactericidal effect, -: bacteriostatic effect