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Table 3 The MIC and MBC of the extract and fractions of C. sanguinolenta

From: In vitro antimicrobial activity of ethanolic fractions of Cryptolepis sanguinolenta

Test organisms

Ethanolic extract

Petroleum ether extract

Chloroform extract

Ethyl acetate extract

Water extract

 

MIC

MBC

MIC

MBC

MIC

MBC

MIC

MBC

MIC

MBC

Salmonella typhi

32.0

BST

X

X

1.0

4.0

X

X

8.0

BST

ATCC 19430

          

Salmonella typhimurium ATCC 14028

X

X

X

X

2.0

4.0

X

X

X

X

Proteus mirabilis ATCC 49565

32.0

BST

32.0

BST

2.0

2.0

32.0

BST

16.0

BST

Pseudomonas aeruginosa ATCC 27853

X

X

X

X

2.0

4.0

X

X

16.0

BST

Klebsiella pneumoniae ATCC 33495

X

X

X

X

4.0

8.0

X

X

X

X

Escherichia coli

16.0

BST

16.0

BST

4.0

16.0

X

X

8.0

BST

ATCC 25922

          

Staphylococcus aureus

4.0

BST

32.0

BST

2.0

4.0

32.0

BST

16.0

BST

ATCC 25923

          

Staphylococcus saprophyticus ATCC 15305

4.0

BST

16.0

X

2.0

4.0

32.0

BST

32.0

BST

Clinical Isolates

Salmonella typhi

X

X

X

X

1.0

8.0

X

X

X

X

Salmonella typhimurium

X

X

X

X

2.0

16.0

X

X

X

X

Proteus mirabilis

8.0

BST

32.0

BST

1.0

8.0

X

X

32.0

BST

Pseudomonas aeruginosa

32.0

BST

X

X

1.0

8.0

X

X

32.0

BST

Klebsiella pneumoniae

32.0

BST

X

X

2.0

32.0

X

X

32.0

BST

Escherichia coli

32.0

BST

X

X

1.0

32.0

X

X

32.0

BST

Staphylococcus aureus

32.0

BST

X

X

0.5

4.0

X

X

16.0

BST

Staphylococcus saprophyticus

32.0

BST

X

X

1.0

4.0

X

X

16.0

BST

  1. X = no test done, BST = Bacteriostatic.