HOW FOODS MEET BODY NEEDS. 
Chart 24. One Pound of Beef. 
23 
One pound of medium fat beef, as purchased, supplies about 1,015 calories 
of energy, 67 grams (about 1\ ounces) of protein, 0.04 gram of calcium, 0.7 
gram of phosphorus, and 11 milligrams of iron. It would furnish, therefore, 29 
per cent of the energy a man needs daily, 67 per cent of the protein, 6 per cent 
of the calcium, 55 per cent of the phosphorus, and 74 per cent of the iron. This 
is shown in the following chart : 
ENERGY fcWKS 
PRillhlN /,/Jbbwh 
CALCIUM 6M 
phosphorus ffrmm 
iron ^ UiMMflnm 
io 20 3o to jo 6o 70 ea jo 
Chart 24. — Proportions of energy, protein, calcium, phosphorus, and iron needed per man 
per day furnished by 1 pound of beef. 
Chart 25. One Pound of Mutton. 
One pound of average mutton, as purchased, supplies about 1,225 calories of 
energy, 59 grams (a little over 2 ounces) of protein, 0.03 gram of calcium, 
0.6 gram of phosphorus, and 8.8 milligrams of iron. It would furnish, therefore, 
35 per cent of the energy a man heeds daily, 59 per cent of the protein, 5 per 
cent of the calcium, 48 per cent of the phosphorus, and 59 per cent of the iron. 
This is shown in the following chart : 
ENERGY 
PROTEIN 
CALCIUM 
PHOSPHORUS 
IRON 
48m 
#m 
IO jp 30 40 SO 60 70 fid 90 
Chart 25. — Proportions of energy, protein, calcium, phosphorus, and iron needed per man 
per day furnished by 1 pound of mutton. 
