570 



PHYSIOLOGICAL CHEMISTRY 



A less accurate experiment than the above but one which yields 

 interesting data may be carried out as follows : 



Ingest a simple diet whose nitrogen content can be estimated with some 

 degree of accuracy (see table above). Collect the urine in two-hour periods 

 from 7 A. M. to u P. M. and in an eight-hour period from n P. M. to 



Percentage of fiber, included under carbohydrate: shredded wheat (1.7), Graham 

 crackers (1.5), oatmeal crackers (1.9), soda crackers (0.3), white bread (0.5), Graham 

 bread (i.i), boiled potatoes (0.6), doughnuts (0.7), ginger snaps (0.7), lettuce (0.7), 

 apples (1.2), bananas (i.o). 



2 Including salt. 



3 Including salt and sugar. 



