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Table 2 Minimum Inhibitory concentrations (MICs) of solvent extracts from Polygonum hydropiper against bacterial strains

From: Chemical profiling, antimicrobial and insecticidal evaluations of Polygonum hydropiper L

Bacterial strains Minimum inhibitory concentrations (MICs) in μg/ml.
Crude (Ph.Cr) n-Hexane (Ph.Hex) Ethyl acetate (Ph.EtAc) Butanol (Ph.Bt) Chloroform (Ph.Chf) Aqueous (Ph.Aq) Saponins (Ph.Sp) Ceftriaxone
Enterococcus faecalis 128.00 ± 0.00 64.00 ± 0.00 26.66 ± 5.33 21.33 ± 5.33 32.00 ± 0.00 >512 10.66 ± 2.66 8.00 ± 0.00
Klebsiella pneumoniae 53.33 ± 10.66 42.66 ± 10.66 13.33 ± 2.66 26.66 ± 5.33 13.33 ± 2.66 256.00 ± 0.00 32.00 ± 0.00 4.00 ± 0.00
Escherichia coli 64.00 ± 0.00 128.00 ± 0.00 64.00 ± 0.00 128.00 ± 0.00 10.66 ± 2.66 > 512 26.66 ± 5.33 4.00 ± 0.00
Proteus mirabilis 21.33 ± 5.33 256.00 ± 0.00 32.00 ± 0.00 128.00 ± 0.00 5.33 ± 1.33 128.00 ± 0.00 6.66 ± 1.33 8.00 ± 0.00
Staphylococcus aureus 512.00 ± 0.00 128.00 ± 0.00 512.00 ± 0.00 >512 64.00 ± 0.00 256.00 ± 0.00 128.00 ± 0.00 16.00 ± 0.00
Salmonella typhi 64.00 ± 0.00 128.00 ± 0.00 64.00 ± 0.00 13.33 ± 2.66 8.66 ± 0.66 128.00 ± 0.00 53.33 ± 10.66 16.00 ± 0.00
Pseudomonas aeruginosa 26.66 ± 5.33 32.00 ± 0.00 64.00 ± 0.00 32.00 ± 0.00 10.66 ± 2.66 512.00 ± 0.00 6.66 ± 1.33 4.00 ± 0.00
  1. MIC were determined at concentrations range of 2, 4, 8, 16, 32, 64, 128, 256 and 512 μg/ml. Each value represent Mean ± SEM of three independent experimental readings