120 FEEDING EXPERIMENTS WITH ISOLATED FOOD-SUBSTANCES. 



Chart LXXXVII. Chart LXXXVIII. Chart LXXXIX. 



120 



100 



150 



130 



20 40 



Days 



Charts LXXXVII (rat 293, female), LXXXVIII p ct 



(rat 284, male), and LXXXIX (rat 279, male) show Giutenin 18.0 



growth from an early age on a diet containing protein-free starch" ."*. m ' . . '. 23.I 



milk, in which giutenin from wheat formed the sole protein. ^ 2 5 



The animals in growing to several times their original 

 weight must have synthesized their purine- and phosphorus-containing 

 complexes from purine-free food. The influence of size on the food require- 

 ment is shown by the food-intake curves. The diet was as shown in table. 



Chart XC Chart XCI. 



140 



120 



100 



80 



60 



40 



180 



2.0 .40 60 80 



DAys 



Charts XC (rat 258, female) and XCI (rat 250, 

 male) show growth from an early age on a diet contain- 

 ing protein-free milk, in which ovalbumin formed the sole 

 protein. The animals in growing to several times their 

 original weight must have synthesized their purine-con- 

 taining complexes from purine-free food. The influence of size on food re 

 quirementis shown by the food-intake curves. The diet was as shown above 



p. ct. 



Ovalbumin 18.0 



Protein-free milk . 28.2 



Starch 23.8 



Agar 5.0 



Lard 25 . 



