Effect of caloric restriction and excessive caloric intake on energy expenditure

Effect of caloric restriction and excessive caloric intake on energy expenditure

The oxygen consumption of three groups of individuals was determined at two 15-day intervals, using two types of apparatus and a special metabolic room. Nine subjects who [See table in the PDF file] received a normal diet served as controls; eight consumed an isoprotein diet that included a 1,500-kc...

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Bibliographic Details
Published in:The American journal of clinical nutrition Vol. 24; no. 12; pp. 1405 - 1409
Main Authors: Apfelbaum, Marian, Bostsarron, Jean, Lacatis, Dimitri
Format: Journal Article
Language:English
Published: United States Elsevier Inc 01-12-1971
Subjects:
Adaptation, Physiological
Adult
Basal Metabolism - instrumentation
Body Temperature
Body Weight
Calorimetry - instrumentation
Circadian Rhythm
Diet
Diet Therapy
Diet, Reducing
Dietary Proteins
Fasting
Feeding Behavior
Female
Humans
Metabolism
Obesity - metabolism
Obesity - therapy
Oxygen Consumption - instrumentation
Physical Exertion
Space life sciences
Time Factors
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Summary:The oxygen consumption of three groups of individuals was determined at two 15-day intervals, using two types of apparatus and a special metabolic room. Nine subjects who [See table in the PDF file] received a normal diet served as controls; eight consumed an isoprotein diet that included a 1,500-kcal/day supplement; and 41 obese subjects were restricted to an intake of 220 kcal/day, which consisted of 55 g casein, potassium chloride, vitamins, and water. All experimental diets followed a control period on a normal diet. Measurements of Vo2were made with the subjects in the basal state and also when they performed physical activities while fasting. The group (B), who overate, showed an increase in energy expenditure of 12 to 29%, whereas group C (those receiving the restricted diet) had a decrease of 12 to 17%. Our results on oxygen consumption were compatible with each other and with the weight changes experienced by the subjects studied.
Bibliography:ObjectType-Article-1
SourceType-Scholarly Journals-1
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ISSN:0002-9165
1938-3207
DOI:10.1093/ajcn/24.12.1405