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Table 2 Antimicrobial activity of T. brownii stem wood extracts

From: Antimicrobial activity and brine shrimp toxicity of extracts of Terminalia brownii roots and stem

Extracts/drugs Organisms tested
   S. aureus P. mirabilis S. typhi E. coli P. aeruginosa B. anthracis B. cereus K. pneumoniae C. albicans C. neoformans
PE IZ - - - - - - - - - -
  AI - - - - - - - - - -
DM IZ - - 3.7 ± 1.5 7.3 ± 0.6 4.3 ± 0.6 3.3 ± 0.6 - - 3.0 ± 1.0 -
  AI - - 0.34 0.46 0.29 0.21 - - 0.19 -
DM:M (1:1) IZ 12.0 ± 0.0 - - 8.3 ± 0.6 - 14.7 ± 0.6 8.0 ± 0.0 - 13.3 ± 0.6 8.3 ± 0.6
  AI 0.80 - - 0.54 - 0.92 0.63 - 0.83 0.73
M IZ 11.3 ± 0.6 - - - - 15.5 ± 0.7 11.5 ± 0.7 - 14.3 ± 0.6 10.3 ± 0.6
  AI 0.79 - - - - 0.97 0.79 - 0.89 0.88
Aqua IZ 12.0 ± 1.0 - - - 9.3 ± 1.5 11.7 ± 1.5 7.0 ± 1.0 6.7 ± 2.1 12.3 ± 1.5 9.7 ± 1.1
  AI 0.84 - - - 0.63 0.73 0.49 0.44 0.77 0.83
Gent IZ 14.3 ± 1.5 13.0 ± 1.0 11.3 ± 0.6 15.7 ± 0.6 14.7 ± 0.6 16.0 ± 1.0 14.3 ± 0.6 15.3 ± 1.1 - -
  AI 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 - -
Clotr IZ - - - - - - - - 16.0 ± 1.0 11.7 ± 0.6
  AI - - - - - - - - 1.00 1.00
  1. The results are presented as inhibition zone diameters in mm. Each value represents mean ± SD (n = 3). Key: PE = petroleum ether extract; DM = dicloromethane extract; 1:1 D:M = 1:1 dicloromethane:methanol extract; M = methanol extract; Aqua = aqueous extract; Gent = gentamicin; Clotr = Clotrimazole.