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Table 2 Antibacterial activity of flowers (F) and leaves (L) of Leguminosae speciesa evaluated using disc diffusion assay at 1 mg per disc

From: Assessment of phytochemical content, polyphenolic composition, antioxidant and antibacterial activities of Leguminosae medicinal plants in Peninsular Malaysia

   Bacterial strains
   Diameter of zone of inhibition (mm)
Plants Part B. cereus ATCC 14579 M. luteus ATCC 4698 MSSA ATCC 25923 MRSA ATCC 33591 MRSA (clinical isolate)b
A. auriculiformis F 10.0 ± 0.0 11.8 ± 0.4 11.8 ± 0.4 15.3 ± 0.4 13.3 ± 0.4
  L 9.50 ± 0.7 12.0 ± 0.0 12.0 ± 0.0 15.3 ± 1.1 13.5 ± 0.7
B. kockiana F 10.0 ± 0.0 12.0 ± 0.0 12.5 ±0.7 11.0 ± 0.0 11.5 ± 0.7
  L 8.00 ±0.00 10.0 ± 0.0 9.50 ± 0.70 9.00 ± 0.00 10.0 ± 0.0
B. purpurea F - - - 12.3 ± 0.4 10.0 ± 0.0
  L 7.00 ± 0.00 8.30 ± 0.35 7.00 ± 0.00 8.00 ± 0.00 -
C. pulcherrima F 7.80 ± 0.40 10.0 ± 0.0 10.0 ± 0.0 9.50 ± 0.70 9.50 ± 0.70
  L 7.80 ± 0.40 10.0 ± 0.0 10.0 ± 0.0 10.5 ± 0.7 9.50 ± 0.70
C. tergemina F 7.00 ± 0.00 7.50 ± 0.70 8.50 ± 0.00 9.30 ± 0.35 8.50 ± 0.70
  L 10.3 ± 0.4 11.0 ± 0.0 12.0 ± 0.0 13.0 ± 0.0 11.0 ± 0.0
C. surattensis F 7.50 ± 0.70 10.0 ± 0.0 10.0 ± 0.0 11.0 ± 0.0 10.0 ± 0.0
  L 7.50 ± 0.70 10.0 ± 0.0 10.0 ± 0.0 10.0 ± 0.0 10.0 ± 0.0
L. leucocephala F - 9.30 ± 0.40 8.00 ± 0.00 11.0 ± 0.0 8.80 ± 1.10
  L - 9.00 ± 0.00 9.30 ± 0.40 9.30 ± 0.40 10.0 ± 0.0
P. pterocarpum F 8.00 ± 0.0 11.3 ± 0.4 9.80 ± 0.40 10.8 ± 0.4 10.3 ± 0.4
  L 9.80 ± 0.40 12.0 ± 0.0 11.5 ± 0.7 11.8 ± 0.4 10.8 ± 1.1
S. saman F - - - - -
  L - 21.3 ± 0.4 8.50 ± 0.70 9.00 ± 0.00 9.30 ± 0.35
Streptomycin (10 μg/disc)   24.0 ± 0.0 27.0 ± 0.0 14.0 ± 0.0 n.t n.t
Vancomycin (30 μg/disc)   n.t n.t n.t 21.0 ± 0.0 21.0 ± 0.0
  1. Note: diameter of the antibacterial disc is 6 mm. Results are expressed as means ± SD obtained from 3 independent experiments. aAll extracts were inactive against Gram negative bacteria (Escherichia coli ATCC 25922, Klebsiella pneumoniae ATCC 10031, Pseudomonas aeruginosa ATCC 10145, Enterobacter aerogenes obtained from Institute for Medical Research Malaysia) tested. bObtained from Faculty of Medicine and Health Sciences UPM. "-" indicates no inhibition activity. "n.t" represents not tested.