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Table 1 Zone of inhibition of the different plant extracts against S. aureus, E. coli, K. pneumonie, P. aeruginosa, S. pyogenes, and S. typhi

From: Antibacterial, antioxidant, and sun protection potential of selected ethno medicinal plants used for skin infections in Uganda

Extracts Diameter zone of inhibition ± SD (mm)
S. aureus E. coli K. pneumonie P. aeruginosa S. pyogenes S. typhi
SP Hex NA NA NA NA   
EtOAc NA NA NA NA   
MeOH 12.2 ± 0.2 NA 11.3 ± 0.3 12.0 ± 0.7   
Aqueous NA NA NA 15.8 ± 0.8   
CIP 32.0 34.0 34.0 36.0   
ET Hex NA NA NA    NA
DCM NA 17.3 ± 0.6 NA    10.0 ± 0.0
EtOAc 16.0 ± 1.0 17.3 ± 0.6 11.7 ± 0.6    13.7 ± 0.6
MeOH 15.0 ± 1.0 10.3 ± 0.6 14.7 ± 0.6    10.0 ± 0.0
Aqueous NA 10.0 ± 0.0 10.0 ± 0.0    15.0 ± 0.0
CIP 25.0 35.0 32.0    22.0
PC Hex 17.0 ± 1.0 12.6 ± 0.9 16.7 ± 0.5 17.1 ± 0.8   13.6 ± 0.5
EtOAc NA 13.0 ± 0.8 NA 20.7 ± 1.6   15.0 ± 0.0
MeOH 18.5 ± 0.6 13.3 ± 0.5 16.6 ± 0.4 16.9 ± 0.4   NA
Aqueous 15.0 ± 0.0 NA   20.0 ± 0.8   19.0 ± 0.0
CIP 25 32   27   28.0
PF Hex NA NA NA NA NA NA
EtOAc 19.1 ± 0.1 15.5 ± 0.2 NA 14.1 ± 0.2 18.3 ± 0.1 NA
MeOH 14.1 ± 0.1 10.7 ± 0.2 NA NA 15.6 ± 0.2 NA
Aqueous NA NA 12.0 ± 0.0 NA NA 13.0 ± 0.0
CIP 41.7 40.3   40.5 41.7  
  1. NA not active (< 6 mm), CIP ciprofloxacin, SP Spermacoce princeae, PF Psorospermum febrifugum, PC Plectranthus caespitosus, ET Erlangea tomentosa. Blanks – not selected