FOODS AND TBMIB USES 



57 



CARBOHYDRATES THE HEAVY BLACK LINES IN THE CHART BE- 

 LOW INDICATE THE RELATIVE FUEL VALUE 

 IN ONE POUND OF EACH OF THE NUTRIENTS 



Fig. 22. — Economy in the purchase of foods. Prices in this chart were those 

 in the year 1900. Compare with prices to-day. (U. S. Department of 

 Agriculture.) ~ 



