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Table 6 Minimum inhibitory concentration (MIC) of C. pumilio chloroform extract and essential oil (EO) against 26 MDR strains

From: Antibacterial activity of Centaurea pumilio L. root and aerial part extracts against some multidrug resistant bacteria

MDR strains

MIC (μg/mL)

Chloroform aerial part extract

EO

A. baumannii strain1

31.25

–

A. baumannii strain2

250.00

–

A. baumannii strain3

62.50

–

A. baumannii strain4

62.50

–

A. baumannii strain5

125.00

–

A. baumannii strain6

31.25

–

A. baumannii strain7

62.50

–

A. baumannii strain8

62.50

–

A. baumannii strain9

31.25

–

E. coli strain1

31.25

–

E. coli strain2

62.50

62.50

E. coli strain3

62.50

–

K. pneumonia strain1

15.62

–

K. pneumonia strain2

62.50

–

K. pneumonia strain3

62.50

–

K. pneumonia strain4

62.50

–

K. pneumonia strain5

31.25

–

K. variicola

62.50

125.00

P. aeruginosa strain1

62.50

–

P. aeruginosa strain2

62.50

62.50

P. aeruginosa strain3

15.62

62.50

P. aeruginosa strain4

31.25

62.50

P. aeruginosa strain5

31.25

62.50

S. aureus MRSA strain1

125.00

250.00

S. aureus MRSA strain2

62.50

–

S. aureus MRSA strain3

62.50

250.00

  1. MDR multidrug resistant