552 VI. OCCURRENCE OF LIPIDS IN THE ANIMAL 



carbohydrate meal was used to fill the carbohydrate depots before the test 

 dose of protein was administered. Thus, Williams, Riche, and Lusk 155 

 observed an oxygen uptake in a dog, over the fourteen hours after receiving 



Table 6 



Glucose Formation from Various Amino Acids as Determined 



by Several Experimental Procedures 



Test employed for detection of glucose formation 



"Extra sugar" in Deposition of Decrease in 



Amino acid phlorhizin dogs liver glycogen ketonuria 



Alanine a b-d e 



Arginine a f f 



Aspartic acid a g g 



Glutamic acid a g g 



Glycine a e,h,i e 



Histidine — j j 



Hydroxy-proline — k — 



Isoleucine — 1-n — 



Norleucine — 1 1 



Proline a — — 



Serine a c,o — 



Threonine — o,p p 



Tryptophane — — q 



Tyrosine r,s s 



Valine t — — 



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1200 g. of meat, of 186.2 g., as compared with a calculated value of 184.6 g. 

 if the carbon retained was assumed to be present as carbohydrate. Had 

 the carbon retained been stored as fat, only 169.7 g. of oxygen would have 



