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Table 5 Antimicrobial activity of R. idaeus ‘Willamette’ shoot extract and ampicillin (mg/ml)

From: Chemical composition and biological activity of Rubus idaeus shoots – a traditional herbal remedy of Eastern Europe

Bacterial strain

R. idaeus‘Willamette’

Ampicilin

 

MIC

MBC

MIC

MBC

Streptococcus group A

3.75

7.5

0.3 × 10−3

0.3 × 10−3

Streptococcus group B

60

60

0.6 × 10−3

-

Streptococcus group G

15

15

0.2 × 10−3

-

Streptococcus pneumoniae

7.5

7.5

0.2 × 10−3

10 × 10−3

Enterococcus faecalis

120

120

2.5 × 10−3

2.5 × 10−3

Corynebacterium diphtheriae

0.06

0.06

0.2 × 10−3

0.3 × 10−3

Bacillus subtilis

30

-

0.05 × 10−3

0.3 × 10−3

Clostridium sporogenes

0.2

-

1 × 10−3

-

Staphylococcus aureus

0.5

1.0

0.1 × 10−3

0.2 × 10−3

Staphylococcus epidermidis

1.9

-

0.6 × 10−3

0.3 × 10−3

Neisseria meningitidis

30

-

0.2 × 10−3

10 × 10−3

Moraxella catarrhalis

0.5

-

2.5 × 10−3

2.5 × 10−3

Haemophilus influenzae

-

-

0.2 × 10−3

0.2 × 10−3

Helicobacter pylori

7.4

-

3.3 × 10−3

3.3 × 10−3

Klebsiella pneumoniae

60

60

62.5 × 10−3

-

  1. MIC - minimal inhibitory concentration; MBC - minimal bactericidal concentration.