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Table 2 Minimum inhibitory concentration and minimum bactericidal concentration (μg/mL) of the ethanol extract and compounds of the fruits of T. grandis

From: Antibacterial activity of ethanolic extract and compounds from fruits of Tectona grandis (Verbenaceae)

Bacteria strains Parameters EtOH extract Tectograndone (1) 6-methyl-1,4-dihydroxyanthraquinone (2) 2β-hydroxyursolic acid (3) Ciprofloxacinea
Escherichia coli ATCC8739 MIC 64 32 >256 128 5
MBC 128 128 >256 256 5
MBC/MIC 2 4 - 2 1
Pseudomonas aeruginosa PA01 MIC 256 >256 128 64 0.0625
MBC 256 >256 256 128 0.0625
MBC/MIC 1 - 2 2 1
Klebsiella pneumonia ATCC1148 MIC 128 >256 >256 64 5
MBC   >256 >256 128 5
MBC/MIC 256 2 - - 2 1
Escherichia aerogenes ATCC13048 MIC 64 >256 16 64 2.5
MBC 128 >256 128 128 2.5
MBC/MIC 2 - 8 2 1
  1. aReference drug