Utilization of protein, carbohydrate, and fat in fasting and postabsorptive subjects. 1980

S Bursztein, and P Glaser, and B Trichet, and U Taitelman, and R Nedey

Energy expenditure, carbohydrate, protein, fat utilization, as well as metabolic water production were evaluated in ten healthy adult volunteers in fasting and postabsorptive states. The values of the nonprotein respiratory quotient established whether the fasting or postabsorptive relationship was used in the computer program. After ingestion of a 900 kcal mixed meal, significant increases were observed for energy metabolism (P less than 0.01), carbohydrate utilization (P less than 0.001), and water production (P less than 0.001). The calculated lipid values suggested that fat was being synthesized in the postabsorptive state (P less than 0.001). No significant changes in protein utilization were found.

UI MeSH Term Description Entries
D008297 Male Males
D010100 Oxygen An element with atomic symbol O, atomic number 8, and atomic weight [15.99903; 15.99977]. It is the most abundant element on earth and essential for respiration. Dioxygen,Oxygen-16,Oxygen 16
D011506 Proteins Linear POLYPEPTIDES that are synthesized on RIBOSOMES and may be further modified, crosslinked, cleaved, or assembled into complex proteins with several subunits. The specific sequence of AMINO ACIDS determines the shape the polypeptide will take, during PROTEIN FOLDING, and the function of the protein. Gene Products, Protein,Gene Proteins,Protein,Protein Gene Products,Proteins, Gene
D002245 Carbon Dioxide A colorless, odorless gas that can be formed by the body and is necessary for the respiration cycle of plants and animals. Carbonic Anhydride,Anhydride, Carbonic,Dioxide, Carbon
D003201 Computers Programmable electronic devices designed to accept data, perform prescribed mathematical and logical operations at high speed, and display the results of these operations. Calculators, Programmable,Computer Hardware,Computers, Digital,Hardware, Computer,Calculator, Programmable,Computer,Computer, Digital,Digital Computer,Digital Computers,Programmable Calculator,Programmable Calculators
D004734 Energy Metabolism The chemical reactions involved in the production and utilization of various forms of energy in cells. Bioenergetics,Energy Expenditure,Bioenergetic,Energy Expenditures,Energy Metabolisms,Expenditure, Energy,Expenditures, Energy,Metabolism, Energy,Metabolisms, Energy
D005215 Fasting Abstaining from FOOD. Hunger Strike,Hunger Strikes,Strike, Hunger,Strikes, Hunger
D005260 Female Females
D005502 Food Substances taken in by the body to provide nourishment. Foods
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man

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