HOW FOODS MEET BODY NEEDS. 
15 
Chart 8. One Pound of Spinach. 
(a peck.) 
One pound of spinach supplies about 105 calories of energy, 10 grams (about 
i ounce) of protein, 0.3 gram of calcium, 0.3 gram of phosphorus, and 16 
milligrams of iron. It would furnish, therefore, 3 per cent of the energy a 
man needs daily, 10 per cent of the protein, 45 per cent of the calcium, 23 
per cent of phosphorus, and 109 per cent (more than all) of the iron. 
This is shown in the following chart : 
ENERGY 
PROTEIN 
CALCIUM 
PHOSPHORUS 23 
IRON 
m 
Chart 8. — Proportions of energy, protein, calcium, phosphorus, and iron needed per man 
per day furnished by 1 pound of spinach. 
Chart 9. One Pound or String Beans. 
(About 1 quart.) 
One pound of string beans supplies about 175 calories of energy, 6 grams 
(about i ounce) of protein, 0.19 gram of calcium, 0.21 gram of phosphorus, 
and 4 milligrams of iron. It would furnish, therefore, 5 per cent of the energy 
a man needs daily, 6 per cent of the protein, 29 per cent of the calcium, 16 
per cent of the phosphorus, and 27 per cent of the iron. This is shown in the 
following chart: 
ENERGY 
SA 
PROTEIN 
cm 
CALCIUM 
xmmm 
PHOSPHORUS 
nmm 
IRON 
| /p 20 Jo 4 ( o SO 60 70 9o 9o 
Chart 9. — Proportions of energy, protein, calcium, phosphorus, and iron needed per man 
per day furnished by 1 pound of string beans. 
