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Table 3 Effects of the crude extracts of Cassytha filiformis and Pterocarpus santalinoides on test isolates

From: Combinations of Alchornea cordifolia, Cassytha filiformis and Pterocarpus santalinoides in diarrhoegenic bacterial infections

CF: PS Test isolates FIC Interpretation of results
10: 0 S. aureus
Salmonella Spp.
S. dysenteriae
E. coli
9: 1 S. aureus
Salmonella typhi
S. dysenteriae
E. coli
1.40
1.86
1.17
1.00
Indifference > 1
Indifference > 1
Indifference > 1
Additive = 1
8: 2 S. aureus
Salmonella typhi
S. dysenteriae
E. coli
2.31
2.12
2.18
1.16
Antagonism > 2
Antagonism > 2
Antagonism > 2
Indifference > 1
7:3 S. aureus
Salmonella typhi
S. dysenteriae
E. coli
2.22
1.67
2.72
2.05
Antagonism > 2
Indifference > 1
Antagonism > 2
Antagonism > 2
6: 4 S. aureus
Salmonella typhi
S. dysenteriae
E. coli
1.25
1.32
1.64
1.49
Indifference > 1
Indifference > 1
Indifference > 1
Indifference > 1
5: 5 S. aureus
Salmonella typhi
S. dysenteriae
E. coli
1.65
1.47
1.18
1.43
Indifference > 1
Indifference > 1
Indifference > 1
Indifference > 1
4: 6 S. aureus
Salmonella typhi
S. dysenteriae
E. coli
1.87
2.09
1.63
1.38
Indifference > 1
Indifference > 1
Indifference > 1
Indifference > 1
3: 7 S. aureus
Salmonella typhi
S. dysenteriae
E. coli
2.01
2.03
2.53
2.15
Antagonism > 2
Antagonism > 2
Antagonism > 2
Antagonism > 2
2: 8 S. aureus
Salmonella typhi
S. dysenteriae
E. coli
2.14
1.92
1.43
1.88
Antagonism > 2
Indifference > 1
Indifference > 1
Indifference > 1
1: 9 S. aureus
Salmonella typhi
S. dysenteriae
E. coli
1.52
1.44
1.08
1.62
Indifference > 1
Indifference > 1
Indifference > 1
Indifference > 1
0: 10 S. aureus
Salmonella typhi
S. dysenteriae
E. coli
Metronidazole
Tetracycline (positive control)
S. aureus
Salmonella spp.
S. dysenteriae
E. coli
0.82
0.81
0.77
0.67
Synergism
Synergism
Synergism
Synergism
DMSO (2.5% v/v) (negative control) S. aureus
Salmonella spp.
S. dysenteriae
E. coli
0.00
0.00
0.00
0.00
No activity
No activity
No activity
No activity
  1. CF methanolic Cassytha filiformis extract, PS methanolic Pterocarpus santalinoides extract