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Glucose polymer increases jejunal calcium, magnesium, and zinc absorption in humans.

Bei, L; Wood, R J; Rosenberg, I H.
Am J Clin Nutr; 44(2): 244-7, 1986 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-3728361
The present study investigated the effect of glucose polymer on jejunal calcium, magnesium, and zinc absorption in eight normal subjects, using the triple-lumen intestinal perfusion technique. For each subject, a 30-cm segment of jejunum was perfused for 60 min each with two different test solutions. When 4 mM glucose polymer was perfused net calcium absorption increased by fourfold (95 vs 488 mumol/30 cm/h), and net jejunal uptake of magnesium (393 mumol/30 cm/h) was observed, as compared to net magnesium secretion in the absence of glucose polymer. In addition, coadministration of glucose polymer doubled net zinc absorption (13 vs 29 mumol/30 cm/h). The rate of water absorption increased from 49 to 111 ml/30 cm/h. No further change in jejunal water and mineral absorption was observed when glucose polymer in the perfusate was increased from 4 to 8 mM. These results suggest that glucose polymer may have potential as an agent to significantly enhance mineral absorption.