| Effect of a 3-day high-fat feeding period on carbohydrate balance and ad libitum energy intake in humans. | |
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MedLine Citation:
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PMID: 20195283 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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OBJECTIVE: A reduction in glycogen after the switch to an isoenergetic high-fat diet (HFD) might promote a compensatory increase in food intake to reestablish carbohydrate balance. We assessed the effect of an isoenergetic switch from a 49%-carbohydrate to 50%-fat diet on nutrient balance and ad libitum food intake. We hypothesized that carbohydrate balance would be inversely related to ad libitum energy intake. METHODS: In 47 men and 11 women (22.6+/-0.4 years; 26.1+/-0.5 kg m(-2)), fuel balance was measured in a respiration chamber over 4 days. During the first day, an isoenergetic, high-carbohydrate diet was provided followed by a 3-day isoenergetic, HFD. At the end of this period and after 16 h of fasting, three options of foods (cookies, fruit salad and turkey sandwich) were offered ad libitum for 4 h. The relationships between post-chamber ad libitum intake and macronutrient oxidation and balance measured day-to-day and over the 4-day respiration chamber stay were studied. RESULTS: After switching to a HFD, 24-h respiratory quotient decreased from 0.87+/-0.02 to 0.83+/-0.02 (P<0.0001) resulting in a 4-day cumulative carbohydrate, fat and protein balances of -183+/-368, 342+/-480 and 65+/-267 kcal, respectively. Cumulative energy balance (224+/-362 kcal per 4 days) did not influence ad libitum energy intake. However, we detected that 4-day carbohydrate balance was a positive and independent predictor of post-chamber ad libitum energy intake (R (2)=0.10; P=0.01), whereas no significant influence of fat and protein balances was found. CONCLUSION: In response to an isoenergetic change from a high-carbohydrate to HFD, higher carbohydrate balance related to increased energy intake. |
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Authors:
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J E Galgani; L de Jonge; M M Most; G A Bray; S R Smith |
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Publication Detail:
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Type: Journal Article; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, Non-P.H.S. Date: 2010-03-02 |
Journal Detail:
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Title: International journal of obesity (2005) Volume: 34 ISSN: 1476-5497 ISO Abbreviation: Int J Obes (Lond) Publication Date: 2010 May |
Date Detail:
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Created Date: 2010-05-10 Completed Date: 2010-11-04 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101256108 Medline TA: Int J Obes (Lond) Country: England |
Other Details:
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Languages: eng Pagination: 886-91 Citation Subset: IM |
Affiliation:
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Pennington Biomedical Research Center, Baton Rouge, LA 70808, USA. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adolescent Adult Dietary Carbohydrates / administration & dosage, metabolism* Dietary Fats / administration & dosage, metabolism* Energy Intake* Energy Metabolism* Feeding Behavior Female Food Preferences Glycogen / metabolism Humans Male Obesity / metabolism* Oxidation-Reduction Oxygen Consumption* Time Factors Young Adult |
| Grant Support | |
ID/Acronym/Agency:
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1 P30 DK072476-01/DK/NIDDK NIH HHS |
| Chemical | |
Reg. No./Substance:
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0/Dietary Carbohydrates; 0/Dietary Fats; 9005-79-2/Glycogen |
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