DIGESTIBILITY OF BREAD. 



I«I 



DIGESTION" EXPERIMENT No. 1. 



Kiml of fooil, wliite breatl. 



Subject; H. B. S. 



^^'cigilt (witliout flotlies); at beginning 145 lbs., at end 147 lbs. 



Beef tea, coffee, tea and water were drunlc witli tlie bread ad libitum. 



o-ga 

 'J C m 



S s ? 



5: =5 



£h S-^ 



1 





1 

 n 









o . 





JZ X 



n 



.i ti " 



T. 



















C 33 



■*-» si 



--= a 



.— — 



M ^ 





S >i- 





i.O 



&:.'J 



o.= :3 



<w 



€020 



White bread 



Total 



Feces 



Amount digested 

 Per cent digested 



1,633 



1,0.3-2. 



1,633 



Estimated beat of 

 combustion of urine 



Energy of food oxi- 

 dized in the body 



Per cent energy util- 

 ized 



1,082.7 

 32.6 



1,000.1 

 96.84 



143.4 

 13.1 



130.3 



90. s; 



28.3 



28.3 

 5.0 



23.3 

 82. .33 



861.0 

 14.5 



846.5 

 98.31 



11.4 

 6.4 



5.0 

 48.86 



4,639 



4,6.39 

 178 



4,461 



113 



4,348 



DIGESTION EXPERIMENT Xo. 2. 



Kind of food; white bread. 



Subject; H. B. S. (same as No. 1). 



Beef tea, coffee, tea, and water were dmnk ad libitum. 



So 

 ©■ga 





L 



^=5 



ll . 



£5 



3J 



fe5 



1 



ai 

 o . 



•Pi - 

 5 >.^ 





5 5 



- i s « 

 T. X Trr 



•6002 



White bread 



956 



619.3 



83.0 



16.0 



520.3 



7.0 



2,809 





Total 







956 



619.3 



27.8 



83.0 

 16.6 



16.0 

 5.5 



520.3 

 5.7 



7.0 

 3.2 



2,8C9 



«021 



Feces 



165 





Amount digested 



Per cent digested .... 











591.5 

 95.51 



. 66.4 

 80.00 



10.5 

 65.62 



514.6 

 98.90 



3.8 

 54.29 



2,644 





Estimated heat of 

 combustion of urine 



Energy of food oxi- 





58 





















2,586 





Per cent energy util- 

 ized 















92.4 









\ 







