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Original Paper

Effects of Supplemental Dietary Calcium on Quantitative and Qualitative Fecal Fat Excretion in Man

Welberg J.W.M.a · Monkelbaan J.F.a,b · de Vries E.G.E.b · Muskiet F.A.J.c · Cats A.a,b · Oremus E.Th.H.G.J.d · Boersma-van Ek W.a · van Rijsbergen H.e · van der Meer R.f · Mulder N.H.b · Kleibeuker J.H.a

Author affiliations

Divisions of aGastroenterology and bMedical Oncology, Department of Internal Medicine, and Departments of cClinical Chemistry, dHospital Pharmacy and eDietetics, University Hospital, Groningen; fDepartment of Nutrition, Netherlands Institute for Dairy Research, Ede, The Netherlands

Related Articles for ""

Ann Nutr Metab 1994;38:185–191

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Article / Publication Details

First-Page Preview
Abstract of Original Paper

Received: July 15, 1993
Accepted: December 16, 1993
Published online: November 20, 2008
Issue release date: 1994

Number of Print Pages: 7
Number of Figures: 0
Number of Tables: 0

ISSN: 0250-6807 (Print)
eISSN: 1421-9697 (Online)

For additional information: https://www.karger.com/ANM

Abstract

Oral calcium supplementation is thought to be a useful interventional agent to decrease colon cancer risk. This is supposedly due, at least in part, to the binding of bile acids and fatty acids by calcium in the colon, thus prohibiting the damaging effects of these substances to the epithelium. To determine the effects of calcium supplementation on fecal fat excretion, 24 subjects kept a fat and calcium constant diet for one week and were supplemented with either 0, 2 or 4 g elemental calcium as calcium carbonate in a double-blind fashion. At the end of the week 72-hour feces was collected, and total fat, neutral fat, fatty acids and the ratio of polyunsaturated and saturated fatty acids (P/S ratio) were measured. Calcium dose-dependently increased the percentual excretion of total fat as related to fat intake: 6.8 ± 0.9% during Og, 7.4 ± 1.0% during 2 g and 10.2 ± 1.4% during 4 g, r = 0.44, p = 0.03. This was due to increased fatty acid excretion, excretion of neutral fat was not affected, nor was the P/S ratio. It is concluded that calcium supplementation modestly increases fecal fatty acid excretion. No adverse metabolic effects are to be expected from this in case of long-term calcium supplementation in subjects at increased risk for colon cancer.

© 1994 S. Karger AG, Basel


Article / Publication Details

First-Page Preview
Abstract of Original Paper

Received: July 15, 1993
Accepted: December 16, 1993
Published online: November 20, 2008
Issue release date: 1994

Number of Print Pages: 7
Number of Figures: 0
Number of Tables: 0

ISSN: 0250-6807 (Print)
eISSN: 1421-9697 (Online)

For additional information: https://www.karger.com/ANM


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