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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].