期刊
EUROPEAN JOURNAL OF CLINICAL NUTRITION
卷 67, 期 5, 页码 443-445出版社
NATURE PUBLISHING GROUP
DOI: 10.1038/ejcn.2012.187
关键词
energy balance; digestion efficiency; diet-induced energy expenditure; activity-induced energy expenditure; resting energy expenditure
Weight changes in response to a change in energy intake are smaller than calculated from the excess or deficit of energy intake. Digestion efficiency is not affected by intake level when consuming the same diet. Over- or underfeeding induces an increase or decrease in energy expenditure. Intake-induced expenditure changes are largely explained by proportional changes in diet-induced energy expenditure, in activity-induced energy expenditure and in maintenance expenditure as a function of changes in body weight and body composition. Additionally, underfeeding causes a metabolic adaptation as reflected in a reduction of maintenance expenditure below predicted values and defined as adaptive thermogenesis. Thus, alternating overfeeding and underfeeding with an iso-energetic amount results in a positive energy balance. The latter might be one of the explanations for the increasing incidence of obesity in our current society with an ample food supply.
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