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Calcium‐enriched goat milk,in comparison with similarly enriched cow milk,favours magnesium bioavailability in rats with nutritional ferropenic anaemia
Authors:Teresa Nestares  Javier Díaz‐Castro  María JM Alférez  Inmaculada López‐Aliaga  Mercedes Barrionuevo  Margarita S Campos
Affiliation:Department of Physiology and Institute of Nutrition and Food Technology, University of Granada, E‐18071 Granada, Spain
Abstract:BACKGROUND: The effects of dietary consumption of goat or cow milk, normal or enriched with calcium (Ca), on magnesium (Mg) bioavailability was evaluated in rats with nutritional ferropenic anaemia. Control and iron‐deficient rats were fed for 14 days with iron‐normal diets containing either normal (5000 mg kg?1 diet) or high (10 000 mg kg?1 diet) Ca content. RESULTS: The results shown that the goat milk diet gave the best results for digestive and metabolic utilization of Mg, both among the anaemic and the control group, with respect to the cow milk and standard diets. The most noteworthy result of Ca enrichment on the nutritive utilization of Mg is that it is less prejudicial in this respect when supplemented via goat milk than with cow milk or the standard diet. CONCLUSION: The results demonstrate the beneficial effects of the goat milk, normal or with double Ca, on the nutritional utilization of Mg; therefore the consumption of this type of milk for people with nutritional ferropenic anaemia can be recommended. Copyright © 2007 Society of Chemical Industry
Keywords:goat and cow milk  calcium supplementation  anaemia  magnesium bioavailability
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