Supplementation of a Cereal-Based Diet with Heme Iron:  Interactions between Iron and Calcium, Phosphorus, and Magnesium in Rats

We studied the influence of a commercial cereal-based diet supplemented with bovine blood on Fe, Ca, P, and Mg metabolism in control and Fe-deficient rats to investigate the interactions caused by high levels of dietary Fe and whether heme Fe supplementation could reduce these interactions. After fe...

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Bibliographic Details
Published in:Journal of agricultural and food chemistry 1996-07, Vol.44 (7), p.1816-1820
Main Authors: Pallarés, Isabel, Campos, Margarita S, López-Aliaga, Inmaculada, Barrionuevo, Mercedes, Rodríguez-Matas, María C, Gómez-Ayala, Adela E, Alférez, María J. M, Hartiti, Sanae, Lisbona, Francisco
Format: Article
Language:English
Subjects:
Biological and medical sciences
CALCIO
CALCIUM
COMPLEMENT ALIMENTAIRE
DIETA
Feeding. Feeding behavior
FER
FOSFORO
Fundamental and applied biological sciences. Psychology
HEMOGLOBINA
HEMOGLOBINE
HIERRO
INTERACCIONES NUTRIENTE NUTRIENTE
INTERACTION NUTRIMENT NUTRIMENT
MAGNESIO
MAGNESIUM
METABOLISME DES MINERAUX
METABOLISMO DE MINERALES
NUTRIENTES MINERALES
PHOSPHORE
PRODUCTOS DERIVADOS DE CEREALES
PRODUIT CEREALIER
REGIME ALIMENTAIRE
SUBSTANCE NUTRITIVE MINERALE
SUPLEMENTOS
Vertebrates: anatomy and physiology, studies on body, several organs or systems
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Summary:We studied the influence of a commercial cereal-based diet supplemented with bovine blood on Fe, Ca, P, and Mg metabolism in control and Fe-deficient rats to investigate the interactions caused by high levels of dietary Fe and whether heme Fe supplementation could reduce these interactions. After feeding Fe-deficient rats with a diet that contained 100 mg of Fe/kg as elemental Fe, the digestive and metabolic utilization of Ca, P, and Mg decreased, whereas the sternum concentration of these minerals increased in comparison with control rats fed the same diet. Nevertheless, when cereal-based diet was supplemented with heme Fe, no decrease in Ca or Mg absorption was found in Fe-deficient rats. Keywords: Cereal; heme; iron; milk
ISSN:0021-8561
1520-5118
DOI:10.1021/jf950460p