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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]