.... Faeces collected after one complete gastrointestinal transit from the onset of plasma labelling had ammonia 15 N enrichments which were only 8.5 ± 1.2% and total nitrogen enrichments which were 6.8 ± 0.7% of the plasma urea 15 N enrichment. 3. These results show that endogenous urea is not the main...

... faeces methylamine uraemia Clinical Science (1979), 56,509-512 SHORT COMMUNICATION Faecal methylamine in normal and uraemic subjects C. W. I . OWENS AND W. PADOVAN Department of Medicine, Rayne Institute, University College Hospital Medical School, London (Received 29 November 1978; accepted 29...

... of ammonia, particularly those in which bacterial counts fell during incubation. As normal faeces contain negligible amounts of urea this ammonia must have been generated from sources other than urea. 3. Ammonia was also generated by faeces delivered by sodium chloride enema, and by ileostomy fluid...

... reaction that continues to generate unionized ammonia. 18 2 1972 © 1972 The Biochemical Society and the Medical Research Society 1972 faeces colon intestine pH ammonia bicarbonate absorption Clinical Science (1972) 43, 101-114. THE INTERRELATIONS O F FAECAL AMMONIA, pH...