Respiratory quotient
Ratio of CO2 expired to O2 consumed.
Also: RQ
Index of substrate oxidation: ~1.0 for pure carbohydrate, ~0.7 for fat, ~0.8 for mixed protein. Measured via indirect calorimetry.
How one textbook covers it
Advanced Nutrition and Human Metabolism, 8th ed. (Gropper) — Glossary
Index of substrate oxidation: ~1.0 for pure carbohydrate, ~0.7 for fat, ~0.8 for mixed protein. Measured via indirect calorimetry.
Related terms
Indirect calorimetry