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 

 ■I 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 

 foUowinig chart: 



ENERGY 



S7M 



PROTEIN 



3k 



CALCIUM 



22fM^ 



PmPHORUS 



m 



IKON 



"/o 20 JO 4o So 60 7p 90 90 



Chart 12. — Proportions of energy, protein, calcium, phosphorus, and iron needed per man 

 per day furnished by 1 pound of oranges. 



Chart 13. <)nk 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.O4 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 



6%M 



PROTEIN 



/fj 



CALCIUM 



m 



PHOSPHOm 



m 



IRON 



Gm 



1 . la 20 30 40 so 60 7a 80 9o 



Chart 13. — Proportions of energy, protein, calcium, phosphorus, and iron needed per man 

 per day furnished by 1 pound of apples. 



52687°— 21 3 



