Table 4.

Counts of viable and intact L. lactis JIM4886 after 1 h of incubation in stomach or duodenal extract

ExtractViable cell countsIntact cell counts
No. of CFUa (mean ± SE)Survival (%)No. of cellsb (mean ± SE)Survival (%)
None (inoculum)1,200 ± 1201001,400 ± 110100
Stomach1,170 ± 200971,200 ± 16086
Duodenum40 ± 53130 ± 309
  • a Viable count (106 CFU/ml of inoculum, stomach content, or duodenum content) on M17-plus-erythromycin plates.

  • b Results of enumeration of dead but intact cells visible in 50 images taken by microscopy with a DAPI filter.