HOW FOODS MEET BODY NEEDS. 
35 
Chart 48. One Pound of Shelled Walnuts. 
One pound of shelled walnuts supplies about 3,185 calories of energy, 83 
grams (nearly 3 ounces) of protein, 0.4 gram of calcium, 1.6 grams of phos- 
phorus, and 9.6 milligrams of iron. It would furnish, therefore, 91 per cent of 
the energy a man needs daily, 83 per cent of the protein, 59 per cent of the 
calcium, 123 per cent (more than all) of the phosphorus, and 64 per cent of the 
iron. This is shown in the following chart : 
ENERGY 9/M 
PROTEIN 8m 
CALCIUM mk 
PHOSPHORUS am 
IRON 64M 
IO 20 30 40 SO 60 70 00 90 /GO /yo IJ.O l3o 
Chart 48. — Proportions of energy, protein, calcium, phosphorus, and iron needed per man 
per day furnished by 1 pound of shelled walnuts. 
Chart 49. One Pound of " Butter " Cake. 
One pound of cake (representing seven-eights of the following recipe: J cup 
butter, 1 cup sugar, ^ cup milk, 2 eggs, and If cups flour) supplies about 1,750 
calories of energy, 29 grams (about 1 ounce) of protein, 0.2 gram of calcium, 0.3 
gram of phosphorus, and 3 milligrams of iron. It would furnish, therefore, 50 
per cent of the energy a man needs daily, 29 per cent of the protein, 31 per cent 
of the calcium, 23 per cent of the phosphorus, and 21 per cent of the iron. This 
is shown in the following chart : 
ENERGY 
wrJammmm 
PROTEIN 
i% 
CALCIUM 
M 
PHOSPHORUS 
m 
IRON 
umm 
I IO 2 O 3a to So AO 7* 8o 9o 
1 1 1 1 1 1 1 1 1 — 1 
Chart 49. — Proportions of energy, protein, calcium, phosphorus, and iron needed per man 
per day furnished by 1 pound of cake. 
