Not exact matches
This is because the Atwater system fails to take into
account that not all the energy in
foods is complete
digested or absorbed, and today we know that absorption varies based on the type of
food and the individual who is consuming it.
This is the amount of energy required to eat,
digest, absorb, and store
food, and research shows that it
accounts for about 10 % of total daily energy expenditure.
This
accounts for approx 10 % of your calories used, although it can differ greatly depending on the type of
food you are eating, protein for instance is harder to process than dietary fat so
digesting protein will use up more calories than
digesting the fat.