58 



The losses in weight during cooking were as follows: 



Weiglit of meat before cooking grams. . 1, 027. 72 



Weight of meat after cooking do. . . 639. 87 



Loss in weight in cooking do 387. 85 



Loss in weight in cooking per cent. . 37. 74 



The detailed results of the experiment are shown in Tal:)les 51 and 52. 



Table 5L — Constituents of uncooked meats, cooked meats, and broths, solidde and insoluble 

 in cold irater, experiment No. 144- 



A. TOTAL NUTRIENTS IN ORIGINAL SUBSTANCE. 



Labo- 

 ratory 

 No. 



1764 

 1773 



1764 

 1768 

 1773 



Kind of materiaL 



ON FRESH BASIS. 



Beef, round, uncooked 



Beef, round, cooked 



Br()th (per cent uncooked 

 meat)" 



ON WATER-FREE BASIS. 



Beef, round, uncooked 



Beef, round, cooked 



Broth (per cent uncooked 

 meat)" 



Water. 



Per ct. 

 69.92 



58.81 



Pro- 

 teid. 



Per ct. 

 17. 96 

 31.19 



.20 



59.71 

 75.72 



Organic 

 extractives. 



Nitrog- 

 enous. 



Per ct. 



1.18 



.99 



.67 



3.92 

 2.40 



2.24 



Non- 

 nitrog- 

 enous. 



Per ct. 

 1.73 



1.28 



.73 



5.75 

 3.11 



Fat. 



Per ct. 

 S.15 

 7.51 



27.09 

 18.23 



.57 



Ash. 



Per ct. 



1.06 



.89 



3.52 

 2.16 



Total 



solid 



matter. 



Per ct. 

 30.08 

 41.86 



99.99 

 101.62 



7.46 



Total 

 nitro- 

 gen. 



Per ct. 

 3. 251 

 5.309 



.248 



10. 808 

 12. 889 



.823 



B. NUTRIENTS SOLUBLE IN COLD WATER. 



1764 

 1768 

 1773 



1764 

 1768 

 1773 



ON FRESH BASIS. 



Beef, round, uncooked 



Beef, round, cooked 



Broth (per cent uncooked 

 meat)" 



ON WATER-FREE BASIS. 



Beef, round, uncooked 



Beef, round, cooked 



Broth (per cent uncooked 

 meat)" 



2.70 

 .21 



.15 



9.00 

 .51 



1.18 

 .99 



3.92 

 2.40 



2.24 



1.73 

 1.28 



.73 



5.75 

 3.11 



2.44 



0.73 

 .32 



2.44 

 .79 



1.53 



6.34 

 2.80 



21.11 

 6.81 



6.69 



0.811 

 .352 



2.695 

 .855 



794 



C. NUTRIENTS INSOLUBLE IN COLD WATER. 



1764 



1768 

 1773 



1764 

 1768 

 1773 



ON FRESH BASIS. 



Beef, round, uncooked 



Beef, round, cooked 



Broth (per cent uncooked 

 meat)" 



ox WATEK-FREE BASIS. 



Beef, round, uncooked 



Beef, round, cooked 



Broth (per cent uncooked 

 meat)" 



15.26 

 30.98 



.05 



.50. 71 

 75. 21 



.19 



8.15 

 7.51 



27.09 

 18.23 



.57 



0.33 



.57 



1.08 

 1.37 



.01 



23.74 

 39.06 



.22 



94.81 

 .77 



2.440 

 4.957 



8.113 

 12. 034 



a Broth from cooked meat No. 1768. 



