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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