PMID: 8942406Dec 1, 1996Paper

Total and exogenous carbohydrate oxidation in obese prepubertal children

The American Journal of Clinical Nutrition
C M Rueda-MazaY Schutz

Abstract

The aim was to explore whether the origin of carbohydrate oxidation (exogenous compared with endogenous carbohydrate) after consumption of a mixed meal was influenced by obesity in children. Ten obese prepubertal children 8 y of age (44.2 +/- 3.6 kg) were studied over 9.5 h and compared with eight normal-weight, matched control children (28.5 +/- 1.6 kg). They were fed a mixed meal containing naturally enriched [13C]carbohydrate (cane sugar and popcorn) providing 55% of the daily energy requirement as measured by 24-h resting metabolic rate. Total carbohydrate oxidation was calculated by indirect calorimetry (hood system) whereas exogenous carbohydrate oxidation was estimated from carbon dioxide production (VCO2), the isotopic enrichment of breath 13CO2, and the abundance of [13C]carbohydrate in the meal ingested. The time course of 13CO2 in breath-measured over 570 min-followed a similar pattern in both groups. Although total carbohydrate oxidation was not significantly different among the two groups, exogenous carbohydrate utilization was significantly greater (P < 0.03) and endogenous carbohydrate oxidation was significantly lower (P < 0.05) in obese compared with control children. In addition, the rate of exogenous carbohyd...Continue Reading

Citations

May 8, 1999·The American Journal of Clinical Nutrition·Y SchutzC Maffeis
Feb 19, 2008·Sports Medicine·Julien AucouturierPascale Duché
Jun 24, 2003·American Journal of Human Biology : the Official Journal of the Human Biology Council·A Roberto Frisancho
Jul 28, 2007·American Journal of Human Biology : the Official Journal of the Human Biology Council·A Roberto Frisancho
Oct 2, 2004·Obesity Reviews : an Official Journal of the International Association for the Study of Obesity·M SunC Maffeis
May 19, 2007·Applied Physiology, Nutrition, and Metabolism = Physiologie Appliquée, Nutrition Et Métabolisme·Brian W TimmonsMichael C Riddell
Jun 16, 2021·Clinical Nutrition : Official Journal of the European Society of Parenteral and Enteral Nutrition·Zachary M GillenJoel T Cramer
Oct 29, 2005·Metabolism: Clinical and Experimental·Nathalie FolchCarole Lavoie

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