71 



The losses in weight duriiiii' cookiiij^- were as follows: 



Weight of meat before cooking grains. 



Weight of meat after cooking do. . . 



Loss in weight in cooking -'- -do — 



Loss in weight in cooking, per cent. 



Tables Ot> and 70 show the details of the experiment. 



1,041.83 



55S. 56 



482. 77 



46.36 



Table 69. — CoiuUUnerUs of uncooked meats and cooked meats soluble and Insoluble in cold 



irater, experiment No. 155. 



A. TOTAL NUTRIENTS IN ORIGINAL SUBSTANCE. 



Labo- 

 ratory 



No. 



177.') 

 17«1 



1775 

 1781 



Kind of matiTiiil. 



ON KRESH BASIS. 



Beef, round, iiiipooked 



Beef, round, cooked 



ON W.\^TEK-FREK BASIS. 



Beef, round, uncooked 



Beef, round, cooked 



Water. 



Per cl. 

 73.28 

 52. 96 



Pro- 

 teid. 



Per ct. 

 IS. 67 

 34.61 



69.87 

 73.57 



Organic 

 extractives. 



Nitrog- 

 enoas. 



Per ct. 

 1.13 

 1.11 



4.23 

 2.36 



Non- 

 nitrog- 

 enous. 



Per H. 

 1.40 

 1.17 



5.24 

 2.49 



Fat. 



Per ct. 

 4.91 



9.87 



18.38 

 20. 98 



Ash. 



Per ct. 

 1.09 

 1.10 



4.08 

 2.33 



Total 



solid 



matter. 



Per ct. 

 27. 20 

 47 86 



101.80 

 101. 73 



Total 

 nitro- 

 gen. 



B. NUTRIENTS SOLUBLE IN COLD WATER. 



1775 

 1781 



1775 

 1781 



ON FRESH BASIS. 



Beef, round, uncooked. 

 Beef, rounii, cooked 



ON W.\TEK-FREE BASIS. 



Beef, round, uncooked 



Beef, round, cooked 



2 20 

 .42 



8.23 

 .89 



1.13 

 1.11 



4.23 

 ^36 



1.40 

 1.17 



.5.24 

 2.49 



0.87 

 .83 



3.26 

 1.76 



5.60 

 3.53 



20.96 

 7.50 



C. NUTRIENTS INSOLUBLE IN COLD WATER. 



1775 

 1781 



1775 

 1781 



ON FRESH BASIS. 



Beef, round, uncooked. 

 Beef, round, cooked — 



ON WATER-FREE BASIS. 



Beef, round, uncooked. 

 Beef, round, cooked 



16.47 

 34.19 



61.64 

 72.68 



4.91 



9.87 



18.38 

 20.98 



0.22 

 .27 



21.60 

 44.33 



80.84 

 94.23 



Table 70. — Remits of cooking (pot roasting) experiment No. 155. 



Labo- 

 ratory 

 No. 



1775 

 1781 



Distribution of nutrients. 



Weight of nutrients: 



In uncooked meat 



In cooked meat 



Loss ( — ) or (apparent) gain 

 ( + )« 



Proportion of nutrients: 



In cooked meat 



Loss ( — ) or (apparent) gain 



( + )" 



Loss ( — ) or (apparent) gain 

 ( -I- ) in percentages of weight 

 of uncooked meata 



Water. 



Grams. 

 763. 08 

 295. 81 



-467. 27 



Per cent. 

 38.77 



- 61.23 



- 44.87 



Proteid. 



Grams. 

 194. 42 

 193. 32 



Per cent. 

 99.43 



- .57 



- .11 



Organic extract- 

 ives. 



Nitrog- 

 enous. 



Grams. 

 11.77 

 6.20 



- 5.57 



Per cent. 

 52.67 



-47. 33 



Non- 

 nitrog- 

 enous. 



Grams. 

 14.58 

 .6.54 



- 8.04 



Per cent. 

 44.86 



-55. 14 



- .77 



Fat. 



Grams. 

 .51. 12 

 55.13 



+4.01 



Per cent. 

 100.00 



+■!. 84 

 -1- .39 



Pei\ ct. 

 3. 349 

 5.891 



12. 534 

 12. 523 



0.714 

 .421 



2. 673 



.895 



2.635 

 5. 470 



9.861 

 11. 628 



Ash. 



Grams. 



11.35 



6.14 



Per ct. 

 54.10 



-45.90 



"See U. S. Dept. Agr., Office of Experiment Stations Bui. 141, p. 62 et seq. 



