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KMID : 1234920030030010095
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Journal of Korean Oriental Association for Study of Obesity
2003 Volume.3 No. 1 p.95 ~ p.105
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Obesity from the viewpoint of metabolic rate
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Kim Su-Jin
Shin Sang-Won
Kim Ho-Jun
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Abstract
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The obesity is the matter of the energy balance in essential. The energy balance in human body is energy expenditure subtracted from energy intake. The energy intake is mainly supplied by carbohydrates, proteins and lipids in food, and the energy expenditure is composed of basal metabolic rate or resting energy expenditure, physical activity and thermogenesis including diet-induced thermogenesis. The resting energy expenditure is measured by direct calorimetry and indirect calorimetry. Generally we can simply use predictive equation with the variables of weight, height, age and fat-free mass to yield metabolic rate. But there is discrepancy between the estimate and real metabolic rate because the equations can not reflect individuality and environments. The resting energy expenditure is influenced by many factors but the fundamental factor is fat-free mass. We briefly reviewed the concept and evaluation of the energy balance, intake and expenditure, which are important parts in the study of obesity. Finally, we surveyed the correlation between metabolic rate and obesity and suggested applicable herb medication to increase metabolic rate.
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KEYWORD
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energy balance, resting energy expenditure, fat-free mass, indirect calorimetry
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