Inactivation of bacillus cereus vegetative cells by gastric acid and bile during in vitro gastrointestinal transit

HIGHLIGHTS

  • who: Ceuppens et_al Gut Pathogens et al. from the Bcereus vegetative cells were unable to survive gastrointestinal passage as simulated by the in vitro experiment, despite the high inoculum concentration of, ., to, ., log CFU/mL and the cultivation of the inoculum in the composite food matrix lasagne verde. The majority of vegetative cells was inactivated by gastric acid, and the surviving cells were subsequently inactivated by bile during the duodenum phase. In contrast, B. cereus spores survived the simulation of gastrointestinal passage and remained spores during unfavourable conditions for germination (and outgrowth). Therefore, the infective dose for . . .

     

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