PMID: 3766436Oct 1, 1986Paper

Retention of zinc and calcium from the human colon

The American Journal of Clinical Nutrition
B SandströmH Andersson

Abstract

Colonic retention of zinc and calcium was studied after installation during colonoscopy of 30 mumol of zinc and 6.4 mmol of calcium labeled with 65Zn and 47Ca, and measurement of the whole-body retention of the radionuclides. After cecal installation in nine patients, retention (day 13) of zinc was 3.5 +/- 2.1% (mean +/- SD) and of calcium 3.5 +/- 2.7%. The calculated mean absorption was 4.1% for zinc and 14.1% for calcium. Application at the hepatic flexure in four patients resulted in a mean retention (day 13) of 1.2% for zinc and 0.6% for calcium. Under prevailing conditions, colonic absorption of zinc is relatively small, compared to the uptake after oral administration. Colonic absorption of calcium could, however, account for a substantial part of the total calcium uptake.

Citations

Jan 23, 1999·The Journal of Nutrition·D A HanesM Wastney
Sep 10, 2004·The Journal of Biological Chemistry·Hagit Azriel-TamirMichal Hershfinkel
Feb 14, 2006·The American Journal of Clinical Nutrition·Eduardo López-HuertasSusan Fairweather-Tait
Jan 1, 1988·Nutrition Research Reviews·S J Fairweather-Tait
Feb 2, 2018·International Journal of Molecular Sciences·Michal Hershfinkel
May 1, 1989·Calcified Tissue International·M J Barger-LuxR R Recker
Jan 27, 2005·Journal of the American College of Nutrition·Véronique DucrosAnne Marie Roussel
Jan 17, 2015·Nutrients·Geetha Lavaniya GopalsamyGraeme P Young
Jan 1, 1996·Scandinavian Journal of Gastroenterology. Supplement·K LadefogedS Jarnum
Mar 28, 2017·Experimental Biology and Medicine·Megan R Beggs, R Todd Alexander

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