81 



Cooking Experiment No. 138. 



Tlie .second portion of beef round (sample No. 1755), cut into 2-inch 

 cubes, was placed in 2,(»(»0 cubic centimeters of cold water, the tem- 

 perature bein*;- in one hour oniduall}' increased to the boilino- point of 

 water, and the cookino- continued at this temperature for three hours. 

 The broth from the cooked meat before dilutin<;- etjualed 1,500 cubic 

 centimeters. 



The losses in weight in cooking were as follows: 



Weiglit of meat before cooking grains. . 900. 00 



Weight of meat after cooking "lo 48o. o4 



Loss in weight in cooking do 416. (56 



Loss in weight in cooking per cent. . 40. oO 



The detailed results of the experiment are shown in Tables 83 and 84. 



Tablk So. — Constituents oj' uncooked meats, cooked mealK, and broths, soluble and insoluble 

 in cold ivater, experiment So. 138. 



A. TOTAL NUTRIENTS IN ORIGINAL SUBSTANCE. 



Labo- 

 ratory 

 No. 



Kind of material. 



Pro- 

 teid. 



Organic 

 extractives. 



Nitrog- 

 enous. 



Non- 

 nitrog- 

 enous. 



A.sh. 



Total 



solid 



matter. 



Total 

 nitro- 

 gen. 



1753 



1755 

 1755 



1753 



17.'S5 

 175.5 



ON FRESH BASIS. 



Beef, round, uncooked 



Beef, round, cooked 



Broth( percent uncookedmeat) 



ON WATER-FREE BASIS. 



Per ct. 

 73. 65 

 ,50.20 



Per ct. 

 19.23 

 35. 11 



.57 



Beef, round, uncooked 72. 98 



Beef, round, cooked [ 80.16 



Broth (percent uncookedmeat) 1 2. 18 



Per ct. 

 l.U 



.74 



.89 



4.21 

 L69 

 3.38 



Per ct. 



1..52 



.90 



1.00 



5.77 

 2.06 

 4.03 



Per ct. 

 4.24 

 7.35 

 1.62 



16.09 

 16.78 

 6.13 



Per ct. 



1.07 



.71 



.03 



4.06 

 1.62 

 2.40 



Per ct. 



27.17 



44.81 



4.77 



103.11 

 102. 31 



18.12 



Per ct. 

 3.433 



6.857 

 .377 



13.028 



13. 372 



1.4cl 



B. NUTRIENTS SOLUBLE IN COLD WATER. 



17,53 

 17.59 

 1755 



1753 

 1759 

 1755 



ON FRESH BASIS. 



Beef, round, uncooked 



Beef, round, cooked« 



Broth(percentuncookedmeat) 



ON WATER-FREE BASIS. 



I 



Beef, round, uncooked 



Beef, round. Cooked a 



Broth(percentuncookednieat) 



0.739 

 .309 

 .327 



2.805 

 .706 

 1.240 



C. NUTRIENTS INSOLUBLE IN COLD WATER. 



11480— No. 162- 



a Cooked meat from sample No. 1755. 

 -06 6 



