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Table 3 Antibacterial activity of the leaves and stem extracts of Calpurnia aurea.

From: Antibacterial and antioxidant properties of the methanol extracts of the leaves and stems of Calpurnia aurea

   Minimum inhibitory concentration (mg/ml)
Bacterial species Gram +/- Leaves Stem Chloramphenicol μg/ml Streptomycin μg/ml
Bacillus cereus + 5.0 5.0 < 2 < 2
Staphylococcus epidermidis + 5.0 na < 2 < 2
Staphylococcus aureus + 5.0 na < 2 < 2
Micrococcus kristinae + 5.0 na < 2 < 2
Streptococcus pyogens + 5.0 5.0 < 2 < 2
Escherichia coli - 5.0 na < 2 < 2
Salmonella pooni - 5.0 na < 2 < 2
Serratia marcescens - na na < 2 < 2
Pseudomonas aeruginosa - na na < 20 < 5
Klebsiella pneumonae - na na < 2 < 2
  1. na = not active.