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Effect of meal composition on calcium absorption: enhancing effect of carbohydrate polymers

Journal Article · · Gastroenterology; (United States)
OSTI ID:6591013
; ; ; ;
Meal components including fat, fiber, and carbohydrates can influence the intestinal absorption of calcium; such interactions may be of even greater importance in the presence of intestinal disease. This study compares intestinal absorption of 47CaCl2 administered in four ways: in water, within a standard meal, with a liquid formula (Ensure, Ross Laboratories, Columbus, Ohio), or with a glucose polymer solution (Frodex-15, Ross). Studies were carried out in 9 patients with ileal resection, 3 patients with jejunoileal bypass, and 14 controls. Fractional calcium absorption from water was lower in patients than in controls. Absorption was enhanced 1.5- to 5-fold when 47CaCl2 was administered with a liquid formula diet containing a glucose polymer or with the glucose polymer alone. Patients with the lowest calcium absorption from breakfast showed the greatest effect of calcium ingestion with formula or glucose polymer. These findings further emphasize the importance of meal composition on calcium absorption and provide a possible mechanism for enhancing calcium absorption in some patients with chronically impaired absorption.
Research Organization:
Department of Medicine, University of Chicago, Illinois
OSTI ID:
6591013
Journal Information:
Gastroenterology; (United States), Journal Name: Gastroenterology; (United States) Vol. 87:3; ISSN GASTA
Country of Publication:
United States
Language:
English

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Related Subjects

551001* -- Physiological Systems-- Tracer Techniques
59 BASIC BIOLOGICAL SCIENCES
ABSORPTION
ALDEHYDES
ALKALINE EARTH ISOTOPES
ALKALINE EARTH METAL COMPOUNDS
ALKALINE EARTH METALS
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
CALCIUM
CALCIUM 47
CALCIUM CHLORIDES
CALCIUM COMPOUNDS
CALCIUM HALIDES
CALCIUM ISOTOPES
CARBOHYDRATES
CHLORIDES
CHLORINE COMPOUNDS
DAYS LIVING RADIOISOTOPES
DIET
ELEMENTS
EVEN-ODD NUCLEI
GLUCOSE
HALIDES
HALOGEN COMPOUNDS
HEXOSES
INTERMEDIATE MASS NUCLEI
INTESTINAL ABSORPTION
ISOTOPE APPLICATIONS
ISOTOPES
METALS
MONOSACCHARIDES
NUCLEI
ORGANIC COMPOUNDS
PATIENTS
RADIOISOTOPES
SACCHARIDES
TRACER TECHNIQUES
UPTAKE