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Table 3 Minimum Inhibitory Concentrations (MIC), Minimum Bactericidal Concentrations (MBC) and MBC/MIC ratios (R) of n-butanol fraction and sub- fractions from the methanol extract of E. chlorantha stem barks (μg/mL)

From: Effect of fractioning on antibacterial activity of n-butanol fraction from Enantia chlorantha stem bark methanol extract

Microorganisms

 

Butanol fraction

FA

FB

FC

FD

CHL

Gram -

 

MIC

MBC

R

MIC

MBC

R

MIC

MBC

R

MIC

MBC

R

MIC

MBC

R

MIC

MBC

R

E. coli

ATCC 10536

128

256

2

8

128

16

64

256

4

128

> 512

4

256

> 512

4

64

16

E.C 136

32

256

8

32

256

8

32

256

8

32

256

8

64

512

8

32

256

8

E.C 137

64

256

4

64

512

8

64

256

4

64

256

4

64

512

8

64

> 512

E.C 96

128

256

2

64

256

8

64

256

4

128

> 512

4

256

> 512

32

128

4

E. aerogenes

ATCC 13048

256

512

2

16

512

32

64

512

8

32

256

8

32

256

8

8

128

16

ENT 119

64

512

4

8

128

16

32

256

8

32

512

8

128

512

4

16

128

8

K. pneumoniae

ATCC 11296

128

512

4

4

8

2

128

128

1

64

512

4

512

> 512

8

64

8

KL 128

64

256

4

4

64

16

32

256

8

64

512

4

64

128

2

32

128

4

S. paratyphi

SPA

64

256

4

4

64

16

32

256

8

64

512

4

256

> 512

16

64

4

S. typhi

ATCC 6539

64

256

4

64

256

4

32

256

8

32

256

4

128

> 512

64

256

4

SAL 9

32

512

16

16

256

8

32

> 512

128

> 512

16

128

> 512

32

128

4

P. aeruginosa

ATCC 27853

128

512

4

256

> 512

128

256

2

128

512

4

128

512

4

16

128

8

Gram +

S. aureus

ATCC 6539

256

512

2

4

32

8

32

256

8

64

128

2

128

> 512

4

32

128

4

ST 120

32

512

4

4

64

16

32

256

8

16

256

4

64

512

8

8

64

8