COMPOSITION OF FOODS. 



479 



heat of the body ( 20G). Fats and carbohydrates may replace 

 each other in the food, and in inverse proportion too, corresponding 

 to the amount of C which each contains. According to v. Voit, for 

 this purpose 175 parts of starch by iveight are equal to 100 parts of fat. 



Animal Foods. 



Explanation of the signs. 



Water. 



Proteids. Albuminoids. N-free org. bodies. Salts. 



Beef. 

 Pork. 

 Fowl. 

 Fish. 



Ezc. 



L_ 



55 



\ 



73 



76 



73,5 



Cow's milk. 

 Human milk. 



8fi 



89 



Vegetable Foods. 



Explanation of the signs. 



Water. Proteids Digestible Non-digestible Salts. 



N-free organ bodies. 



Wheaten-bread. 



Peas. 



Rice. 



Potatoes. 



White Turnip. 



Cauliflower. 



Beer. 



I 



1-4 



90,5 



90 



90 



0,2 



iil 



illil 



0-5 



1 



0-5 



Fig. 175. 



