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Table 4 Antimicrobial activities of water and ethanolic extracts of Cytinus against Gram-positive and Gram-negative bacteria

From: Tannin profile, antioxidant properties, and antimicrobial activity of extracts from two Mediterranean species of parasitic plant Cytinus

 

Cytinus hypocistis

Cytinus ruber

1-O-galloyl-β-D-glucose

penta-O-galloyl-β-D-glucose

Bacterial strains

Water extract

Ethanolic extract

Water extract

Ethanolic extract

Gram-positive

 S. aureus ATCC 33591

500

125

250

125

> 500

62.5

 S. epidermidis ATCC 35984

500

250

250

250

> 500

62.5

 E. faecium VanR 1

125

31.25

125

31.25

> 500

31.25

Gram-negative

 P. aeruginosa ATCC 29534

> 500

> 500

> 500

> 500

> 500

> 500

 K. pneumoniae (ATCC BAA-1706)

> 500

> 500

> 500

> 500

> 500

> 500

  1. Data reported represent minimal inhibitory concentrations (MIC) values expressed in μg/ml