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Table 1 Minimum inhibitory (MIC) and bactericidal (MBC) concentrations (μg/ml) of extracts and compounds from P. pinnata

From: Antityphoid and radical scavenging properties of the methanol extracts and compounds from the aerial part of Paullinia pinnata

Test substance Parameter (μg/ml) S. typhi S. paratyphi A S. paratyphi B S. typhimurium
Extracta MIC 781 48 781 781
MBC 781 390 3125 3125
MBC/MIC 1 8 4 4
Extractb MIC 781 781 390 390
MBC 1562 1562 1562 3125
MBC/MIC 2 2 4 8
1 MIC 6.25 1.562 1.562 25
MBC 50 12.5 12.50 100
MBC/MIC 8 8 8 4
2 MIC 100 100 100 100
MBC / / / /
MBC/MIC nd nd nd nd
3 MIC 25 50 100 100
MBC 50 100 100 /
MBC/MIC 2 2 1 nd
4 MIC 50 25 12.5 25
MBC 100 100 50 50
MBC/MIC 2 4 4 2
5 MIC 1.562 1.562 0.781 0.781
MBC 1.562 1.562 1.562 0.781
MBC/MIC 1 1 2 1
6 MIC 25 25 12.50 12.5
MBC 25 50 50 25
MBC/MIC 1 2 4 2
7 MIC 25 50 3.125 12.5
MBC 50 100 6.250 12.5
MBC/MIC 2 2 2 1
Ciprofloxacin MIC 0.195 0.195 1.562 0.781
MBC 0.781 0.781 1.562 3.125
MBC/MIC 4 4 1 4
Gentamycin MIC 6.25 1.562 3.125 3.13
MBC 12.5 6.25 12.5 6.25
MBC/MIC 2 4 4 2
  1. Extracta: methanol extract of the leaves; Extractb: methanol extract of the stems; nd: not determined (greater than 100 μg/ml).