74 



SCIENCE OF HOME AND COMMUNITY 



U. S. Department of Agriculture 



Office of Experiment Stations 



A. C. True: Director 



Prepared by 

 C. F. LANGWORTHY 

 Expert in Charge of Nutrition Investigations 



COMPOSITION OF FOOD MATERIALS. 



m 1 



Water 



Protein Fat Carbohydrates Ash 



CORN 



Fuel Value 

 fe Sq. In. Equals 

 1000 Calories 



WHEAT 



Fat ,4. 



Water: 10.8 



Water:10.6 



rotein:10.0 Protein:12.2 



Carbohydrates : 73.4 Carbohydrates : 73.7 



at: 1.7 



sh:1.8 



Fuel VALUE; 



FuEL VALUE: 





1800CALORIES Protein-. lU.U^^-^w at -:i2.o 1750 CALORIES 

 PER POUND Carbo- - >$%$& Fat: 2. 2 PER POUND 



hydrates :73. 2^*. Ash: 2.0 



FjJEL^ALUE: 



OAT RICE 



Fat:5. 



-Water: 11.0 1600 CALORIES Water:12.0 



.j-.ii o PER POUND , , - - 



)m:11 8 Protein: 3. 



at:2.0 



Carb 

 hydrates:77.0 



Water: 10.5 

 Protein: 12. 2 



Ashrl.O 



FUEL VALUE: 



sh:1.9 



1 720 CALORIES 



PER POUND 



17"20 CALORIES 

 PER POUND 



1750 CALORIES 

 PER POUND 



FIG. 28. Composition of cereals. 



