THE ABSORPTION OF PROTEINS 57 



The fate of the amines formed in putrefaction is also 

 fairly well established, at least in certain instances. 

 Thus, for example, it is known that the amine formed 

 from tyrosine, p . oxyphenylethylamine in passing the 

 organism is transformed to and excreted as p.oxy- 

 phenylacetic acid. 



REFERENCES TO LITERATURE 



Abderhalden: Zeitschrift fiir physiologische Chemie. 1913, 

 88, p. 478. [Amino acids in blood.] 



Cathcart: The Physiology of Protein Metabolism. 1912. 



Folin and Denis: Journal of Biological Chemistry. 1912, II, 

 p. 87 and p. 161 ; 1912, 12, p. 141 and p. 253. [Fate of 

 digestion products.] 



Hammarsten: Text Book of Physiological Chemistry. 1914. 



Fan Slyke and Meyer: Journal of Biological Chemistry. 

 1912, 12, p. 399; 1913-1914, 16, p. 187, p. 197, p. 213, and 

 p. 231. [Fate of digestion products.] 



