Corn syrup sugars: In vitro and in vivo digestibility and clinical tolerance in acute diarrhea of infancy
1983
Lebanthal, E. | Heitlinger, L. | Lee, P.C. | Nord, K.S. | Hodge, C. | Brooks, S.P. | George, D.
Extract: The in vitro and in vivo digestibility and clinical tolerance of 3 corn syrup sugars and 1 infant formula (containing corn syrup sugar as the sole carbohydrate source) were evaluated. In vitro studies were conducted using human duodenal fluid and jejunal mucosa with normal enzyme activities. In vivo studies included intragastric perfusion studies and tolerance tests using the corn syrup sugars and a clinical formula trial in 32 infants with acute diarrhea. Results of the in vitro studies showed that each of the corn syrup sugars was well hydrolyzed by duodenal fluid and by mixtures of duodenal fluids and mucosal homogenates. Similarly, in vivo studies revealed significant hydrolysis in the proximal intestine, as measured during the perfusion studies, and adequate absorption, as indicated by a rise in serum glucose concentration during tolerance tests. Only patients who had a marginal serum glucose rise after a glucose meal had a blunted rise after a corn syrup feeding. More than 85% of the infants beginning the clinical trial tolerated the formula well and gained weight at or above the expected rate for age during the study interval. These data indicate that, except in the case of severe mucosal injury and secondary monosaccharide intolerance, glucose polymers of the dextrose equivalents tested are suitable carbohydrate sources for infants recovering from acute diarrhea. (author/wz)
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