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Table 2 Growth of the three different B. cereus strains in the food matrix prior to simulation of gastrointestinal passage; average values of independent experiments in triplicate expressed in log CFU/g ± standard deviation are presented

From: Inactivation of Bacillus cereus vegetative cells by gastric acid and bile during in vitro gastrointestinal transit

B. cereus strain Time (h)
  0 22 24 26 28 30
B. cereus ATCC14579       
Total count 5.8 ± 0.1 8.3 ± 0.6 8.4 ± 0.3 8.8 ± 0.2 8.8 ± 0.3 8.9 ± 0.2
Total B. cereus 5.7 ± 0.1 6.9 ± 0.1 6.9 ± 0.1 6.7 ± 0.3 7.2 ± 0.3 7.0 ± 0.2
B. cereus spores < 2.0 ± 0.0 < 2.0 ± 0.0 < 2.0 ± 0.0 < 2.0 ± 0.0 < 2.0 ± 0.0 2.3 ± 0.6
B. cereus NVH 1230-88
Total count 5.9 ± 0.1 8.2 ± 0.2 8.4 ± 0.1 8.9 ± 0.0 8.9 ± 0.1 8.8 ± 0.2
Total B. cereus 6.2 ± 0.3 7.9 ± 0.2 8.2 ± 0.1 8.5 ± 0.2 8.3 ± 0.3 7.9 ± 0.1
B. cereus spores 3.5 ± 0.6 3.5 ± 0.2 3.3 ± 0.6 3.4 ± 0.6 3.3 ± 0.6 3.4 ± 0.6
B. cereus FF 73
Total count 5.7 ± 0.1 8.5 ± 0.1 8.7 ± 0.1 9.0 ± 0.0 9.0 ± 0.3 8.9 ± 0.3
Total B. cereus 5.7 ± 0.1 8.1 ± 0.2 8.0 ± 0.1 8.3 ± 0.1 8.2 ± 0.1 8.3 ± 0.2
B. cereus spores 3.8 ± 0.2 3.9 ± 0.4 3.9 ± 0.4 4.0 ± 0.5 4.0 ± 0.3 4.5 ± 0.1