HOW FOODS MEET BODY NEEDS. 
17 
Chart 12. One Pound of Obanges. 
(2 medium-sized.) 
One pound of oranges supplies about 175 calories of energy, 3 grams (about 
£ ounce) of protein, 0.15 gram of calcium, 0.07 gram of phosphorus, and 0.9 
milligram of iron. It would furnish, therefore, 5 per cent of the energy a 
man needs daily, 3 per cent of the protein, 22 per cent of the calcium, 5 per 
cent of the phosphorus, and 6 per cent of the iron. This is shown in the 
followinig chart: 
ENERGY 
J7M 
PROTEIN 
m 
CALCIUM 
2i%mm 
PHOSPHORUS 
m 
IRON 
\ to 20 JO to So 6o 7p 0o 90 
Chart 12. — Proportions of energy, protein, calcium, phosphorus, and iron needed per man 
per day furnished by 1 pound of oranges. 
Chart 13. One Pound of Apples. 
(2 large.) 
One pound of apples supplies about 210 calories of energy, 1 gram (an almost 
negligible amount) of protein, 0.02 gram of calcium, 0.04 gram of phosphorus, 
and 0.9 milligram of iron. It would furnish, therefore, 6 per cent of the 
energy a man needs daily, 1 per cent of the protein, 3 per cent of the calcium, 
3 per cent of the phosphorus, and 6 per cent of the iron. This is shown in the 
following chart : 
ENERGY 
GM 
PROTEIN 
m 
CALCIUM 
m 
PHOSPHORUS 
m 
IRON 
6M 
J . la 20 so 40 SO to 7a BO 9p 
Chart 13. — Proportions of energy, protein, calcium, phosphorus, and iron needed per man 
per day furnished by 1 pound of apples. 
52687°— 21 3 
