62 



CHOLINE 



Eagle^° (Table XI), and Schmidt et aZ." have recorded data on the occur- 

 rence of glycerylphosphorylcholine in tissues (Table II). 



TABLE X 



Total Choline Content of Grains and of Grain Products 



(expressed as milligrams of choline chloride per 100 g. on a moisture-free basis)^ 



Variety 



Milled fractions 



Hard spring wheat 



Hard winter wheat 



Soft winter wheat 



Soybeans 



Oats 



Barley 



Fla.x 



TABLE XI 

 Free Choline in Biological Fluids''' 



Collected while chewing paraffin. 

 Collected by use of dental siphon. 



Normal. 

 Outpatients. 



X. Effects of Deficiency 



A. GENERAL MANIFESTATIONS 



WENDELL H. GRIFFITH and JOSEPH F. NYC 



The specific recognition of sources of labile methyl is accomplished by 

 the in vivo administration of a suitably labeled, possible methyl donor or 



10 E. Eagle, /. Lab. Clin. Med. 27, 103 (1941). 



11 G. Schmidt, L. Hecht, P. Fallot, L. Greenbaum, and S. J. Thannhauser, ./. Biol. 

 Chem. 197, 601 (1952). 



