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Mention the respiratory quotient (RQ) value for carbohydrates, fats, and protein during aerobic respiration.

Last updated date: 19th Jun 2024
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Hint: This RQ value is calculated from the ratio of carbon dioxide generated by the body to oxygen absorbed by the body.

Complete answer: Respiratory quotient (RQ) is the ratio of the carbon dioxide developed into the oxygen absorbed and is a measure of the basal metabolic value.
The respiration quotient relies upon the sort of respiration substrate used for the duration of the act of respiration.
Additionally, the respiration quotient is a dimensionless variety used in the calculations of the basal metabolic rate or BMR while evaluated from the carbon dioxide production.

Additional information: The respiration quotient commonly ranges between 0.7 and 1.0, is an indicator of metabolic substrate use in tissues; it needs to be calculated below resting-state exercise conditions.
Applications of the respiration quotient can be found in various conditions of persistent obstructive pulmonary disease. Other applications are given below-
1. It is used as an indicator of underfeeding.
2. It is used for studying the functioning of the liver.
3. It is used to see weight gain in non-insulin-dependent diabetic patients.
4. It is used for diagnosing the patient’s conditions, which are going through liver cirrhosis and nonprotein respiratory quotients.

The RQ value of carbohydrates is 1.0, fats are 0.7, proteins is 0.8.

Note: The Respiratory Quotient value determines which macronutrients are being metabolized, as other kinds of energy pathways are used for fats, carbohydrates, and proteins.