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Table 3 Effect of CBHG and CBCHP on the 933 W Shiga toxin-encoding phage

From: The inhibitory effect of colloidal bismuth hydroxide gel on Escherichia coli O157:H7 and on the activity of Shiga toxins

Bismuth concentration (mg/ml)

Phage titer (PFU/ml)

Percentage of reduction (%)

Phage titer (PFU/ml)

Percentage of reduction (%)

0

2.6 × 103 ± 6.1 × 102

 

3.9 × 103 ± 2.1 × 102

 
 

CBCHP1

CBHG2

1.25

1.1 × 103 ± 4.9 × 102*

48

9.3 × 102 ± 2.5 × 102**

76

2.5

1.0 × 103 ± 3.9 × 102*

56

7.4 × 102 ± 1.3 × 102**

80

5

7.2 × 102 ± 1.1 × 102*

73

4.8 × 102 ± 5.0 × 101**

86

10

4.2 × 102 ± 2.0 × 102*

82

3.8 × 102 ± 6.0 × 101**

90

  1. *P < 0.05, **P < 0.001, results expressed as the mean ± the SD of five experiments.
  2. 1CBCHP: Chobet® Bismuth Cream with Pectin, 2CBHG: colloidal bismuth hydroxide gel.