Abstract:
INTRODUCTION:Low-carbohydrate, high-protein diets are a current challenge in the nutritional treatment of obesity. OBJECTIVE:To compare the effect of a low-carbohydrate high-protein diet with a traditional hypocaloric diet on weight loss and mitochondrial oxidative metabolism. SUBJECTS AND METHODS:Nineteen obese men (age 36+/-6 years; body mass index 34+/-2 kg/m2) were randomized to follow one of the two diets-control diet (15% protein; 30% lipids; 55% carbohydrates) or high-protein diet (30% protein; 30% lipids; 40% carbohydrates)-over an 8-week period. Anthropometry, biochemical variables, resting energy expenditure and mitochondrial oxidation were measured at the start and at the end of the intervention. RESULTS:The high-protein diet produced a greater weight loss (-8.3+/-1.2% versus -5.5+/-2.5%, P = 0.012) than the control diet. Interestingly, an activation in the mitochondrial oxidation was found in the high-protein-fed group. This stimulation was positively correlated with the final resting energy expenditure and negatively associated with the final fat mass content. CONCLUSION:Low-carbohydrate high-protein diets could involve specific changes in mitochondrial oxidation that could be related to a higher weight loss.
journal_name
Int J Food Sci Nutrjournal_title
International journal of food sciences and nutritionauthors
Abete I,Parra D,De Morentin BM,Alfredo Martinez Jdoi
10.1080/09637480802232625subject
Has Abstractpub_date
2009-01-01 00:00:00pages
1-13eissn
0963-7486issn
1465-3478pii
795317171journal_volume
60 Suppl 3pub_type
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