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Table 3 MICs (μg/mL) of the crude extracts and ciprofloxacin on the panel of tested bacteria

From: In vitro antibacterial and antibiotic-potentiation activities of the methanol extracts from Beilschmiedia acuta, Clausena anisata, Newbouldia laevis and Polyscias fulva against multidrug-resistant Gram-negative bacteria

Bacterial strains

Studied samples and MIC (μg/mL)

Beilschmedia acuta

Clausena anisata

Newbouldia laevis

Polyscias fulva

 

Reference drug

L

B

F

L

R

L

B

L

B

R

CIP

Escherichia coli

           

 ATCC 10536

>256

64

>256

256

256

128

>256

>256

>256

>256

1

 AG 100A

>256

128

>256

>256

>256

256

>256

>256

>256

>256

<0.5

 AG 100

>256

16

>256

>256

>256

>256

>256

>256

>256

>256

16

 AG 100ATet

>256

256

>256

>256

>256

>256

>256

>256

>256

>256

64

 AG 102

>256

64

>256

>256

>256

>256

>256

>256

>256

>256

4

 MC 4100

256

128

256

256

256

128

>256

256

>256

256

16

 W 3110

256

<8

256

256

256

128

>256

128

>256

128

32

Enterobacter aerogenes

           

 ATCC 13048

>256

16

>256

>256

>256

>256

>256

256

>256

>256

32

 CM 64

>256

16

>256

>256

>256

>256

>256

>256

>256

>256

64

 EA3

>256

64

>256

>256

>256

>256

>256

>256

>256

>256

16

 EA27

>256

64

>256

>256

>256

128

>256

256

>256

>256

4

 EA 294

>256

64

>256

>256

256

256

>256

>256

>256

>256

2

 EA 289

>256

256

256

>256

>256

>256

>256

>256

>256

>256

128

 EA 298

>256

256

256

>256

>256

>256

>256

>256

>256

>256

16

Klebsiella pneumoniae

           

 ATCC11296

128

<8

256

256

256

128

>256

128

256

128

<0.5

 K2

>256

256

>256

>256

>256

>256

>256

>256

>256

>256

16

 KP55

>256

32

>256

>256

>256

>256

>256

>256

>256

>256

4

 KP63

128

64

128

256

>256

256

>256

128

>256

128

4

Providencia stuartii

           

 ATCC29916

>256

128

>256

>256

>256

>256

>256

>256

>256

>256

32

 PS2636

256

64

256

256

128

128

>256

256

>256

>256

64

 PS299645

>256

256

>256

>256

>256

>256

>256

>256

>256

>256

32

 NAE16

>256

32

>256

>256

>256

>256

>256

>256

>256

>256

128

Enterobacter cloacae

           

 ECCI69

>256

256

>256

>256

>256

>256

>256

>256

>256

>256

256

 BM67

>256

256

>256

>256

>256

>256

>256

>256

>256

>256

32

Pseudomonas aeruginosa

           

 PA01

>256

64

256

>256

>256

>256

>256

>256

>256

>256

16

 PA124

>256

32

>256

>256

>256

>256

>256

>256

>256

>256

32

  1. The tested extracts were obtianed from the leaves (L), bark (B), roots (R) or fruits (F); CIP: ciprofloxacin]; MIC and MBC data with values up to 1024 μg/mL are provided as supporting information (Additional file 1: Table S1)