COMPOSITION OF FOOD MATERIALS--(_Atwater_)

_Nutritive Ingredients, Refuse, and Food Value._

Nutrients:
P--Protein.
F--Fats.
C--Carbohydrates.
M--Mineral Matters.

Non-nutrients:
W--Water.
R--Refuse.

Fuel Value:
X--Calories.

_Protein_ Compounds, e.g., lean of meat, white of egg, casein (curd)
of milk, and gluten of wheat, make muscle, blood, bone, etc.

_Fats_, e.g., fat of meat, butter, and oil, \
\ serve as fuel to yield
/ heat and muscular power.
_Carbohydrates_, e.g., starch and sugar, /


Nutrients, etc., p.c | 10 20 30 40 50 60 70 80 90 100
---------------------+-------------------------------------------------|
Fuel value of 1 lb. | 400 800 1200 1600 2000 2400 2800 3200 3600 4000
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