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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.