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Table 5 The MBC (in mg/ml) of the crude extract and the solvent fractions 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
MBC MBC MBC
S. aureus Stand. 2.03 ± 0.00 16.25 ± 0.00 16.25 ± 0.00
Clinc. 4.06 ± 0.00 16.25 ± 0.00 16.25 ± 0.00
S. pyogen Stand. 4.06 ± 0.00 13.54 ± 2.71 16.25 ± 0.00
Clinc. 4.06 ± 0.00 16.25 ± 0.00 16.25 ± 0.00
S. pneumoniae Stand. 8.13 ± 0.00 32.50 ± 0.00 32.50 ± 0.00
Clinc. 16.25 ± 0.00 32.50 ± 0.00 32.50 ± 0.00
S. flexneri Stand. 8.13 ± 0.00 32.50 ± 0.00 16.25 ± 0.00
Clinc. 8.13 ± 0.00 32.50 ± 0.00 32.50 ± 0.00
E. coli Stand. 8.13 ± 0.00 32.50 ± 0.00 ---
Clinc. 8.13 ± 0.00 65.00 ± 0.00 ---
P. aeruginosa Stand. 8.13 ± 0.00 32.50 ± 0.00 ---
Clinic. 8.13 ± 0.00 32.50 ± 0.00 ---
S. typhi Stand 4.06 ± 0.00 16.25 ± 0.00 16.25 ± 0.00
  1. MBC = Minimum Bactericidal Concentration, the values are the average of triplicate tests. Stand. = standard (ATCC) strains whereas Clinic. = clinically isolated strains