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Table 1 pH values in the human intestinal tract, measured with the Heidelberg capsule.

From: Evaluation of the passage of Lactobacillus gasseri K7 and bifidobacteria from the stomach to intestines using a single reactor model

 

Stomach

Duodenum

Jejunum

Ileum

   

proximal

medial

Distal

pH

1.4**

6.22*

6.4**

7.1**

7.4**

  1. * Fallingborg et al. 1994 [16]
  2. ** Fallingborg et al. 1998 [17]