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. 



mm 



Protein Fat Carbohydrates 



LAMB CHOP 



EDIBLE PORTION 



Water:53.1 



A$h 



Water 



Protein 



Fat:.28.3 



Fuel Value 

 Sq. In. Equals 

 1000 Calories 



PORK CHOP 



EDIBLE PORTION 



30.1 



SMOKED HAM 



EDIBLE PORTION 



Water: 40. 3 

 Protein:16.1 



1540 CALORIES 

 PER POUND 



Fat: 38.8 



-Ash:4.8 



BEEF STEAK 



EDIBLE PORTION 



Water: 61. 9 



DRIED BEEF 



EDIBLE PORTION 



Water: 54.3 



Fat: 18.5 



FUEL 



VALUE: 



1 130 CALORIES 

 PER POUND 



FUEL 



VALUE:! 



340 CALORIES 



PER POUND 



FlG. 20. Composition of meats. 



