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Table 2 Minimum inhibitory concentrations (MICs) and minimum microbicidal concentrations (MMCs) of the B. marginatum extracts against different pathogens determined by the broth microdilution method

From: Anti-infective and cytotoxic properties of Bupleurum marginatum

Microorganisms

CH3OH extract mg/mL

CH2Cl2extract mg/mL

Ampicillin μg/mL

Vancomycin μg/mL

Nystatin μg/mL

MIC

MMC

MIC

MMC

MIC

MMC

MIC

MMC

MIC

MMC

Gram positive

          

 MRSA 818014

4

> 4

4

> 4

6.2

6.2

0.8

0.8

NT

NT

 MRSA 818081

4

> 4

4

> 4

6.2

50

0.8

0.8

NT

NT

 MRSA NCTC 10442

4

> 4

4

> 4

6.2

12.5

0.8

1.6

NT

NT

 Staphylococcus aureus ATCC 29213

4

> 4

4

> 4

0.4

3.1

0.4

0.8

NT

NT

 Staphylococcus epidermidis ATCC 14990

2

> 4

2

> 4

0.4

0.8

0.8

1.6

NT

NT

 Streptococcus pyogenes ATCC 12344

0.5

4

0.25

0.75

0.1

0.1

0.1

0.2

NT

NT

 Streptococcus agalactiae ATCC 27956

0.5

4

0.5

4

0.1

0.2

0.4

0.4

NT

NT

 Bacillus subtilis ATCC 6051

0.5

2

0.5

1

0.1

0.8

0.2

0.8

NT

NT

Gram negative

          

 Pseudomonas aeruginosa ATCC 27853

4

> 4

4

> 4

NI

NI

NI

NI

NT

NT

 Escherichia coli ATCC 25922

2

4

4

> 4

6.2

12.5

NI

NI

NT

NT

Fungi

          

 Candida albicans ATCC 90028

NI

NT

NI

NT

NT

NT

NT

NT

1.6

1.6

 Candida glabrata ATCC MYA 2950

NI

NT

NI

NT

NT

NT

NT

NT

1.6

1.6

  1. NI: no inhibition; NT: not tested.