34 DEPARTMENT BULLETIN 975, U. S. DEPT. OF AGBICULTUEE. 



Chart 46. One Pouwd of Fat Salt Pork. 



A pound of salt pork supplies about 2,835 calories of energy, 34 grams (about 

 li ounces) of protein, 0.02 gram of calcium, 0.36 gram of phosphorus, and 5 

 milligrams of iron. It would furnish, therefore, 81 per cent of the energy a 

 man needs daily, 34 per cent of the protein, 3 per cent of the calcium, 28 per 

 cent of the phosphorus, and 34 per cent of the iron. This is shown in the fol- 

 lowing chart : 



ENERGY 





PROTEIN 



Mwrnam 



CALCIUM 



5%t 



FHOSFHmUS 



ismmm 



IRON 



1 If 2o 30 «.o jra 60 70 80 9p 



Chart 46. — Proportions of energy, protein, calcium, pliospliorus, and iron needed per man 

 per day furnished by 1 pound of fat salt pork. 



Chart 47. One Pound of Chocolate. 



A pound of chocolate supplies about 2,765 calories of energy, 59 grams (about 

 2 ounces) of protein, 0.04 gram of calcium, 2 grams of phosphorus, and 12 

 milligrams of iron. It would furnish, therefore, 79 per cent of the energy a 

 man needs daily, 59 per cent of the protein, 61 per cent of the calcium, 156 per 

 cent (more than all) of the phosphorus, and 82 per cent of the iron. This is 

 shown in the following chart : 



ENERGY 1% 

 PFOTBN S% 

 CALCIUM 6/ 



FHOsryoRus m 



IRON 



m 



Chart 47. — Proportions of energy, protein, calcium, phosphorus, and iron needed per man 

 per day furnished by 1 pound of chocolate. 



I 



