Macronutrient Metabolism
Definition
The set of enzymatic and integrated biochemical pathways by which carbohydrates, lipids and proteins absorbed from the gut are converted into usable energy (ATP), stored substrates (glycogen, triglyceride, protein), or metabolic intermediates for biosynthesis; this includes glycolysis, β‑oxidation, deamination/transamination and their coupling to the tricarboxylic acid cycle and oxidative phosphor