The role of prebiotic fibres in the process of calcium absorption

W. Caers

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The role of prebiotic fibres in the process of calcium absorption

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W. Caers

W. Caers ORAFTI Active Food Ingredients

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Type:: Chapter

Pages:: 255–264

DOI:: https://doi.org/10.3920/9789086866625_021

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Non-digestible oligo- and polysaccharides such as inulin and oligofructose have been shown to be fermented by a selective number of potentially beneficial bacteria. One of the benefits for the host has been reflected in an increased absorption of minerals, Ca and Mg more specifically. In animal models, not only an increased absorption, but also an increased bone mineral density has been demonstrated repeatedly. These findings were confirmed in several human intervention trials, where for different age groups, the absorption of Ca was significantly increased. In a randomised double blind placebo controlled cross-over study with adolescent girls, the Ca absorption was increased by almost 20 % (P<0.01) after the daily ingestion during 3 weeks of 8 g of an enriched inulin. More recently in a similar study protocol, but this time using post-menopausal women, the daily ingestion of 12 g of enriched inulin during 6 weeks resulted in a significant increase in absorption (P<0.05) for both Ca and Mg by inulin ingestion as compared to placebo. From baseline increased absorptions of 21 % and 9 % were observed for Ca and Mg respectively.

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Dietary fibre

Bio-active carbohydrates for food and feed

E-Book ISBN:: 9789086866625

Publisher:: Wageningen Academic

Print Publication Date:: 24 Oct 2004

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- Life Sciences

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The role of prebiotic fibres in the process of calcium absorption

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Dietary fibre

Bio-active carbohydrates for food and feed

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