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Table 1 Heat of combustion of selected fuels

From: Acute nutritional ketosis: implications for exercise performance and metabolism

Substrate ∆H° kcal/mol ∆H° kcal/mol C 2units
C18H32O2 (Palmitate) -2,384.8 -298.0
C4H8O3 (β Hydroxybutyrate) -487.2 -243.6
C6H12O6 (Glucose) -669.9 -223.6
C3H6O3 (Lactate) -326.8 -217.9
C3H4O3 (Pyruvate) -278.5 -185.7
  1. Adapted from Veech et al. [96].