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. 1978 Mar 25;1(8065):638-9.
doi: 10.1016/s0140-6736(78)91141-8.

Calcium binding by dietary fibre

W P James, W J Branch, D A Southgate

Calcium binding by dietary fibre

W P James et al. Lancet. .

Abstract

Dietary fibre from plants low in phytate bound calcium in proportion to its uronic-acid content. This binding by the non-cellulosic fraction of fibre will reduce the availability of calcium for small-intestinal absorption, but the colonic microbial digestion of uronic acids will liberate the calcium. Thus the ability to maintain calcium balance on high-fibre diets may depend on the adaptive capacity of the colon for calcium absorption.

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