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Table 4 The MIC (in mg/ml) of the crude extract and the solvent fractions of the leaves of Rhamnus prinoides against gram positive and gram negative bacteria

From: Evaluation of the in vitro antibacterial activity of the solvent fractions of the leaves of Rhamnus prinoides L’Herit (Rhamnaceae) against pathogenic bacteria

Bacteria Crude extract Solvent fractions
  Methanol fraction Chloroform fraction
MIC MIC MIC
S. aureus Stand. 2.03 ± 0.00 8.13 ± 0.00 8.13 ± 0.00
Clinc. 2.03 ± 0.00 8.13 ± 0.00 16.25 ± 0.00
S. pyogen Stand. 4.06 ± 0.00 8.13 ± 0.00 8.13 ± 0.00
Clinc. 4.06 ± 0.00 8.13 ± 0.00 16.25 ± 0.00
S. pneumoniae Stand. 8.13 ± 0.00 16.25 ± 0.00 16.25 ± 0.00
Clinc. 8.13 ± 0.00 16.25 ± 0.00 16.25 ± 0.00
S. flexneri Stand. 4.06 ± 0.00 16.25 ± 0.00 16.25 ± 0.00
Clinc. 5.42 ± 1.36 16.25 ± 0.00 16.25 ± 0.00
E. coli Stand. 8.13 ± 0.00 32.50 ± 0.00 ---
Clinc. 8.13 ± 0.00 32.50 ± 0.00 ---
P. aeruginosa Stand. 8.13 ± 0.00 16.25 ± 0.00 ---
Clinic 8.13 ± 0.00 16.25 ± 0.00 ---
S. typhi Stand 4.06 ± 0.00 16.25 ± 0.00 16.25 ± 0.00
  1. MIC = Minimum Inhibitory Concentration, the values are the average of triplicate tests. Stand. = standard (ATCC) strains whereas Clinic. = clinically isolated strains