2002
DOI: 10.1067/mlc.2002.128146
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Bioavailability of caseinophosphopeptide-bound iron

Abstract: Iron deficiency, one of the main worldwide nutritional deficiencies, results from the low bioavailability of most dietary iron, including cow milk. Hydrolysis of the cow milk protein casein produces low molecular weight caseinophosphopeptides (CPPs). Binding of iron to CPPs keeps it soluble in the digestive tract and prevents the formation of high molecular weight ferric hydroxides, which are poorly absorbed. Previous experimental studies have shown that iron bound to the phosphopeptide containing the first 25… Show more

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Cited by 63 publications
(35 citation statements)
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“…It is known that milk -casein and products of its hydrolysis are more than just nutrients. Some of the peptides derived from milk casein are capable of affecting biological functions of the organism (Morita et al, 2004;Kilara and Panyam, 2003;Florisa et al, 2003;Clare et al, 2003;Bouhallab et al, 2002;Ait-Oukhatar et al, 2002). These effects can be antimicrobial and probiotic, i.e.…”
Section: Discussionmentioning
confidence: 97%
“…It is known that milk -casein and products of its hydrolysis are more than just nutrients. Some of the peptides derived from milk casein are capable of affecting biological functions of the organism (Morita et al, 2004;Kilara and Panyam, 2003;Florisa et al, 2003;Clare et al, 2003;Bouhallab et al, 2002;Ait-Oukhatar et al, 2002). These effects can be antimicrobial and probiotic, i.e.…”
Section: Discussionmentioning
confidence: 97%
“…␤ -CPP(1-25) binds Fe tightly by its cluster of 4 phosphoseryl residues, which keeps it soluble and protects it from further digestion [11] , so it is easily taken up by the mucosa and corrects iron deficiency [5,6] .…”
Section: Discussionmentioning
confidence: 99%
“…In addition, experimental [5] and human [6] studies have previously show that ␤ -CPP(1-25) enhances iron absorption.…”
Section: Introductionmentioning
confidence: 99%
“…1) and can fix 4 to 5 iron atoms with a high affinity [2,9]. At first, the studies in rats have allowed to show the efficiency of β(1-25) on the absorption and bioavailability of iron [10], an efficiency that was confirmed in a first clinical study [11]. Then, the mechanism of absorption of iron associated with the phosphopeptide as well as the effect of the presence of other minerals (zinc) were studied using the perfusion of a ligated rat duodenal loop segment [12][13][14].…”
Section: Phosphopeptides and Bioavailability Of Mineralsmentioning
confidence: 90%
“…These results obtained in the rat were confirmed in a preliminary clinical study, comparing Fe/β(1-25) and iron sulphate. The quantity of iron stocked in the organs seven days after the ingestion of a unique dosage is higher in the group having received the Fe/β(1-25) complex [11].…”
Section: Bioavailability Of Iron Complexed To the β(1-25) Phosphopeptidementioning
confidence: 96%