Differences in Dietary-Induced Thermogenesis following the Ingestion of Various Carbohydrates

Macdonald, Ian A.

doi:10.1159/000176808

Cited by 32 publications

(14 citation statements)

References 6 publications

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“…Similar data were also found after ingestion of fructose (De´combaz et al 1985;Koivisto et al 1981;Nuttall et al 2000). The ingestion of galactose has also been shown to result in a rapid increase and higher R at rest compared with glucose (Macdonald 1984). Although the mechanism for this effect is not known, a higher R and elevated lactate concentrations at rest may suggest increased glycogenolysis.…”

Section: Discussionsupporting

confidence: 65%

Effects of pre-exercise ingestion of trehalose, galactose and glucose on subsequent metabolism and cycling performance

Jentjens

Jeukendrup

2003

Eur J Appl Physiol

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The glycaemic and insulinaemic responses to different carbohydrates vary and these have been suggested to affect performance. The purpose of the present study was to determine the effects of pre-exercise ingestion of glucose (GLU), galactose (GAL) and trehalose (TRE) on metabolic responses at rest and during exercise and on subsequent time-trial (TT) performance. Eight well-trained male cyclists completed three exercise trials separated by at least 3 days. At 45 min before the start of exercise subjects consumed 500 ml of a beverage containing 75 g of either glucose, galactose or trehalose. The exercise trials consisted of 20 min of submaximal steady-state exercise (SS) at 65% of maximal power output immediately followed by a [mean (SEM)] 702 (25) kJ TT. Plasma glucose concentration 15 min postprandial was significantly higher in GLU compared to GAL and TRE (P<0.05). This was accompanied by a more than twofold greater rise in plasma insulin concentration in GLU compared to GAL and TRE (118% and 145%, respectively). During SS exercise four subjects in GLU and one subject in TRE developed a rebound hypoglycaemia (plasma glucose concentration less than 3.5 mmolAEl -1 ). No differences were observed in TT performance between the three trials. Pre-exercise ingestion of trehalose and galactose resulted in lower plasma glucose and insulin responses prior to exercise and reduced the prevalence of rebound hypoglycaemia. Despite the attenuated insulin and glucose responses at rest and during exercise following pre-exercise ingestion of galactose and trehalose, there was no difference in TT performance compared with pre-exercise ingestion of glucose.

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Section: Discussionsupporting

confidence: 65%

Effects of pre-exercise ingestion of trehalose, galactose and glucose on subsequent metabolism and cycling performance

Jentjens

Jeukendrup

2003

Eur J Appl Physiol

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“…There is the possibility that glucose is removed from the circulation in females more rapidly than in males, but there is no evidence to support this. In fact when the respiratory quotient and metabolic rate are measured for 3 h after ingestion of glucose, there is no difference in the response between men and women [12], thus suggesting that the differ ences in the serum glucose and insulin re sponses are not due to different routes or rates of metabolism of glucose.…”

Section: Discussionmentioning

confidence: 97%

Effects of Ingesting Glucose and Some of Its Polymers on Serum Glucose and Insulin Levels in Men and Women

Macdonald

Williams²

1988

Ann Nutr Metab

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Twelve men and 10 women were given maltodextrin (DE20) at various dose levels after an overnight fast. Similar studies were carried out with glucose, maltose and another maltodextrin (DE5). It was found that within each sex the serum glucose and insulin responses were not influenced by the physical form of glucose ingested over a 90-min period. However, the serum glucose response to glucose and to its polymers was found to be dose-dependent in the men but not in the women. The serum insulin response was dose-dependent in both sexes. At any glucose dose level the serum insulin response was approximately 40% greater in men compared to women.

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“…19,20 Fructose also provokes dietary-induced thermogenesis in awake healthy volunteers, and does so far better than glucose. 15 We thus tested the hypothesis that intravenous fructose increases metabolic heat production in anesthetized humans.…”

Section: Introductionmentioning

confidence: 99%

Fructose Administration Increases Intraoperative Core Temperature by Augmenting Both Metabolic Rate and the Vasoconstriction Threshold

et al. 2006

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Differences in Dietary-Induced Thermogenesis following the Ingestion of Various Carbohydrates

Cited by 32 publications

References 6 publications

Effects of pre-exercise ingestion of trehalose, galactose and glucose on subsequent metabolism and cycling performance

Effects of pre-exercise ingestion of trehalose, galactose and glucose on subsequent metabolism and cycling performance

Effects of Ingesting Glucose and Some of Its Polymers on Serum Glucose and Insulin Levels in Men and Women

Fructose Administration Increases Intraoperative Core Temperature by Augmenting Both Metabolic Rate and the Vasoconstriction Threshold

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