THE HYGIENE OF THE DINING ROOM 



6l 



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. 



Protein Fat Carbohydrate* 



LAMB CHOP 



EDIBLE PORTION 



Water:53.1 



Ash 



Water 



Fuel Value 



n. Equals 

 1000 Calories 



PORK CHOP 



EDIBLE PORTION 



30.1 



SMOKED HAM 



EDIBLE PORTION 



1540 CALORIES 

 PER POUND 



BEEF STEAK 



EDIBLE PORTION 



Water: 61. 9 



Ash:4.8 



FUEL 



VALUE: 



1 940 CALORIES 

 PER POUND 



DRIED BEEF 



EDIBLE PORTION 



Protein: 

 30.0 



Fat:18.5 



CALORIES 

 PER POUND 



FIG. 20. Composition of meats. 



