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Table 4 Zone of inhibition (mean ± SD, n = 3) of the plants extracts in mm

From: Antibacterial efficacy of local plants and their contribution to public health in rural Ethiopia

Extracts Bacteria strains
E.coli S. aureus P. aeruginosa Salmonella spp.
Isolate Ref. Isolate Ref. Isolate Ref. Isolate Ref.
P.dodecandra fruits 9.7 ± 0.6 11.3 ± 1.5 10.3 ± 2.1 12.3 ± 2.3 9.3 ± 2.5 12.0 ± 1.0 11.0 ± 1.0 16.3 ± 0.6
G. ferruginea leaf 10.0 ± 1.0 12 ± 0.0 9.7 ± 0.6 11.7 ± 0.6 9.0 ± 1.0 10.7 ± 1.5 11.0 ± 1.0 14.3 ± 0.6
G. ferruginea bark 8.0 ± 1.0 12.0 ± 2.6 9.0 ± 1.0 11.3 ± 2.9 9.7 ± 2.5 10.3 ± 1.2 9.3 ± 0.6 16.7 ± 1.2
R. nepalensis leaf 9.0 ± 1.0 10.3 ± 0.6 9.0 ± 1.0 12.0 ± 3.5 NI NI 10.0 ± 1.0 20.7 ± 5.5
Phenol 7.3 ± 0.6 8.7 ± 1.5 8.0 ± 1.0 8.7 ± 1.2 7.7 ± 0.6 8.0 ± 1.7 5.0 ± 4.4 5.0 ± 4.4
DMSO 0 0 0 0 0 0 0 0
  1. Key: ± SD = Standard Deviation, Ref. = Reference bacteria strain, NI = No Zone of inhibition, n = number of replicates