respiratory quotient defined in 1951 yearrespiratory quotient - respiratory quotient;
respiratory quotient - Ratio of the volume of carbon dioxide expired to the volume of oxygen consumed during the same time, A theoretical Respiratory Quotient can be calculated for the oxidation of various foodstuffs. For carbohydrates it is i, for fats 0.7, and for proteins 0.8. It was formerly thought that the Respiratory Quotient of an organism or tissue gave direct information concerning the kind of foodstuff being oxidized; but in practice the interpretation of an Respiratory Quotient is not so simple, for cells can oxidize more than one of the three foodstuffs at the same time, and certain other metabolic processes may use oxygen or produce carbon dioxide.
near respiratory quotient in Knolik
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