348 



THE HUMAN BODY AND ITS FOOD 



albumin, present in the whites of eggs; another form is 

 casein, present in cheese and milk. A third proteid is 

 gluten, found in wheat and other grains; a fourth is 



Potato 



Sirloin Steak 



99 White Bread 



FIG. 277o. 

 Nutrients in Some Common Foods. 



legumen, found in beans, peas, and peanuts. Myosin, a 

 fifth proteid, is abundant in lean meat (muscles). Pro- 

 teids contain chiefly carbon, hydrogen, oxygen, nitrogen, 

 sulphur, and sometimes phosphorus. They are easily 



