404 THE FO0D VALUES OF MILK 



Grams 

 of Lime 



In skim milk at 5 cents a quart 3.472 



In milk at 10 cents a quart 1.636 



In milk at 15 cents a quart 1.090 



In milk at 20 cents a quart 0.810 



In cheese at 25 cents a pound 1.990 



In eggs at 35 cents a dozen 0.149 



In eggs at 55 cents a dozen 0.096 



In round steak at 26 cents a pound 0.019 



In dried lima beans at 10 cents a pound 0.450 



In white bread at 6 cents a loaf 0.198 



In whole wheat bread at 12 cents a loaf 0.226 



In cornmeal at 4 cents a pound 0.170 



In oatmeal at 5 cents a pound 1.179 



PROTEINS 



Protein is the general term applied to that large class of 

 food stuffs which contains nitrogen and usually sulphur in addi- 

 tion to carbon, hydrogen and oxygen, and which by the ani- 

 mal is used to form the muscles of the body and to constitute 

 about 84 per cent of the solid substances of the blood. Meat, 

 eggs, cheese, beans and peas are rich in protein. Cottage 

 cheese is almost, pure protein, made soft by water. 



To Supply Protein 



Is as cheap as 

 Sirloin Stea'k 



Milk at sMi^raA 8 * Or Eggs at 



10 cents a quart 23.3 cents a pound 25.1 cents a dozen 



12 cents a quart 27.9 cents a pound 30.2 cents a dozen 



15 cents a quart 34.9 cents a pound 37.7 cents a dozen 



20 cents a quart 46.6 cents a pound 50.2 cents a dozen 



Energy in engineering is measured in B.T.U. (British Ther- 

 mal Unit) but in nutritional matters energy is measured in 

 Calories. One Calorie is equal to 3.96 B.T.U. An average man 

 at average work requires about 3000 Calories per day for 

 maintenance. An infant requires about 45 Calories per pound 

 of weight per day. Therefore, one weighing 10 pounds needs 



