pH values in gastrointestinal tract

Range distal small intestine 7.5: caecum 6.4: colon 7 unitless
Organism Human Homo sapiens
Reference McConnell EL, Basit AW, Murdan S. Measurements of rat and mouse gastrointestinal pH, fluid and lymphoid tissue, and implications for in-vivo experiments. J Pharm Pharmacol. 2008 Jan60(1):63-70. p.66 left column 2nd paragraphPubMed ID18088506
Primary Source Evans, D. F., Pye, G., Bramley, R., Clark, A. G, Dyson, T. J., Hardcastle, J. D. (1988) Measurements of gastrointestinal pH profiles in normal ambulant human subjects. Gut 29: 1035–1041PubMed ID3410329
Comments "Overall, the mean intestinal pH of both mice and rats does not reach the pH values reported in man i.e. 7.5, 6.4 and 7 in the distal small intestine, caecum and colon, respectively (primary source)."
Entered by Uri M
ID 110515