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Table 7 Minimal inhibitory concentration (MIC) values of three Potentilla leaf extracts

From: Phytochemical profiles, antioxidant and antimicrobial activities of three Potentilla species

Micro-organisms Tested materials (MIC mg/mL)
Bacteria P. fruticosa P. glabra P. parvifolia Standard*
Staphylococcus aureus (ATCC No. 6538) 6.25 6.25 12.5 0.002
Enterococcus faecalis (ATCC No. 29212) 6.25 12.5 50 0.03
Bacillus subtilis (ATCC No. 6633) 6.25 12.5 12.5 0.002
Escherichia coli (ATCC No. 25922) >100 >100 50 >10
Klebsiella pneumoniae (CMCC No. 46117) >100 >100 50 >10
Pseudomonas aeruginosa (ATCC No. 27853) 6.25 25 12.5 >10
Fungi     
Candida albicans (ATCC No. 10231) 0.78 1.56 0.78 >10
  1. * Standard: Benzylpenicillin was used as standard antibiotic.