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Table 2 Antibacterial effects of different C. bonducella leaf extract fractions

From: Antibacterial, antidiarrhoeal, and cytotoxic activities of methanol extract and its fractions of Caesalpinia bonducella (L.) Roxb leaves

Name of the bacteria Zone of inhibition (mm)
Kanamycin disc (30 mg/disc) Methanol (μg/disc) Ethyl acetate (μg/disc) Chloroform (μg/disc) Pet. ether (μg/disc)
   300 500 800 300 500 800 300 500 800 300 500 800
Gram-positive
S. aureus 36 16 21 25 - 6 6.5 7.5 12 16 - - 6.5
B. subtilis 26 - - - - - 8 6.5 8 9.5 - - -
B. cereus 29 - - - 6.5 8 10 7 9 10 - - 6.5
B. megaterium 35 - - - - - - - 7 8 - - 6.5
Gram-negative
S. typhi 29 - - 6.5 - - 7 7 10 13 - 6.5 7
S. dysenteriae 35 - - - - 7 8 6.5 7.5 9 - - -
P. aeruginosa 30 6.5 6.8 7 6.5 8 8.5 6.5 7 7.5 - - -
E. coli 32 - - - - - - 6.5 7 8 7 7.5 8
Klebsiella spp. 35 - - - - - - - 7 8 - - 6.5
  1. -: no activity.