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Table 2 Zone of inhibition (mm; in diameter) against different bacterial strains by plants extracts

From: Antibacterial activity of some selected medicinal plants of Pakistan

Plant Extract Microorganisms used
   B. subtilis M. luteus S. setubal S. aureus P. pickettii
P. integerrima Crude 20.33 ± 0.41 17 ± 0 17.33 ± 0.34 23 ± 0.34 19.66 ± 0.05
  Hexane 14.6 ± 0.11 13.3 ± 0.05 13.3 ± 0.2 12 ± 0.2 10.3 ± 0.05
  Chloroform 13 ± 0 12 ± 0 12 ± 0 11.66 ± 0 12 ± 0
  Ethyl acetate 15 ± 0 12.66 ± 0.05 14.3 ± 0.37 13.3 ± 0.2 -
  Methanol - - 10 ± 0 11.5 ± 0 11 ± 0.5
  Aqueous 19.66 ± 0.05 - - - -
  Cefotaxime 40 ± 0 33.6 ± 0.05 33.3 ± 0.05 33 ± 0.2 30 ± 0
  DMSO - - - - -
T. ciliate Crude 11.2 ± 0.06 17 ± 0.41 17.1 ± 0.06 - 12.3 ± 0.01
  Hexane 10.6 ± 0.21 - - - -
  Chloroform 13.6 ± 0.06 15.8 ± 0.12 14.5 ± 0.04 13 ± 0.08 -
  Ethyl acetate 15 ± 0.06 16.2 ± 0.09 - - 11.2 ± 0.11
  Methanol - 12.7 ± 0.07 - - -
  Aqueous - - - - -
  Cefotaxime 35 ± 0.05 36.3 ± 0.06 31.5 ± 0.04 31.5 ± 0.05 24.1 ± 0.04
  DMSO - - - - -
C. opaca Crude 10.2 ± 0.07 - - - -
  Hexane - - - - -
  Chloroform 11.3 ± 0.03 - - 10.2 ± 0.05 -
  Ethyl acetate 12.3 ± 0.04 - - - -
  Methanol - - - - -
  Aqueous - - - - -
  Cefotaxime 32.7 ± 0.09 39.2 ± 0.11 33.2 ± 0.08 37.3 ± 0.08 28.1 ± 0.05
  DMSO - - - - -
A. indica Crude 12 ± 0 14 ± 0.5 13.5 ± 0.5 14.5 ± 1 13 ± 0.5
  Hexane - - - - -
  Chloroform 10.5 ± 0.1 12 ± 0 11.5 ± 0.5 13 ± 0.5 14.5 ± 0.1
  Ethyl acetate 12 ± 0.5 - 13 ± 0.5 12 ± 0.2 12 ± 0.5
  Methanol 10 ± 0.5 11 ± 0.1 10 ± 0.1 11 ± 0.2 10 ± 1
  Aqueous 16 ± 1 14 ± 0.5 15 ± 0.5 13 ± 0.5 13 ± 0.2
  Cefotaxime 31 ± 0.5 30 ± 0.4 30 ± 0.05 33 ± 0 32 ± 0.01
  DMSO - - - - -
A. flavum Crude 10.3 ± 0.17 10.6 ± 0.07 10.6 ± 0.05 - 13.7 ± 0.05
  Hexane - - - - -
  Chloroform 11.2 ± 0.08 12 ± 0 - 10.3 ± 0.42 -
  Ethyl acetate - 9.6 ± 0.61 - - -
  Methanol 12 ± 0.5 - 12.6 ± 0.02 13.6 ± 0.23 -
  Aqueous - - - - -
  Cefotaxime 36 ± 0.05 38.3 ± 0.02 31.3 ± 0.05 38.6 ± 0.02 26.1 ± 0.03
  DMSO - - - - -
D. salicifolia Crude 14 ± 0.03 - - - 13.2 ± 0.05
  Hexane - - - - -
  Chloroform 14.1 ± 0.12 15.1 ± 0.14 13.3 ± 0.09 12.1 ± 0.21 17.2 ± 0.07
  Ethyl acetate 13.7 ± 0.11 - - 12.3 ± 0.13 13.7 ± 0.01
  Methanol - - - - -
  Aqueous - - - 11.6 ± 0.08 -
  Cefotaxime 36 ± 0.05 38.3 ± 0.02 31.3 ± 0.05 38.6 ± 0.02 26.1 ± 0.03
  DMSO - - - - -
  1. ± - mean standard deviation of triplicate, (-)- no zone of inhibition observed, Cefotaxime-as positive control, DMSO-as negative control