74 



PRELIMINARY COLD STORAGE STUDIES. 



(C) Percentage of nitrogen in muscle of chicken — Continued. 

 DARK MEAT. 



Determinations. 



Total nitrogen 



Total nitrogen in aqueous extract 



Coagulable nitrogen in aqueous extract 



Albumose nitrogen 



Amido acid nitrogen 



Peptone nitrogen (by difference) 



Nitrogen insoluble in water (by differ- 

 ence) . 



Storage 14 months. 



No. 84. 



No. 85. 



3. 98 4. 21 



4.09 



0. 824 I 1. 014 



20.75 | 24.08 



22.41 



0.485 I 0.547 



12.18 I 12.99 



12.53 

 0.0413 I 0.055 

 1.03 I 1.30 



1.16 

 0.274 I 0.282 

 6.89 ! 6.70 



6.79 

 0.0237 i 0.356 

 0.59 I 3.08 



1.83 

 2. 97 l 3. 32 

 74.6 78.9 



76.7 



Storage 2 years. 



No. 69.a No. 79 



0.596 

 15.30 



4.31 



0.639 

 14.80 



15 05 



0.272 I 0.302 



6.99 I 7.00 



6.99 



0.0222 I 0.0461 



0.570 I 1.70 



1.135 

 0. 245 I 0. 230 

 6.30 I 5.34 



5.82 

 0.057 I 0.061 

 1.47 I 1.41 



1.44 

 3. 29 I 3. 67 

 84.5 85.30 



Storage 4 years. 



No. 82. No. 83. 



4. 50 4. 61 



4.55 



0.-869 I 0. 866 



19.30 I 18.80 



19.05 



0. 445 I 0. 434 



9.88 I 9.40 



9.64 



0.0433 I 0.0443 



0.962 I 0.960 



0.961 



0. 294 I 0. 290 



6.53 I 6.29 



6.41 

 0. 087 I 0. 098 

 1.93 I 2.12 



2.02 



3. 63 I 3. 74 



80.60 ! 81. OO 



80.80 



(D) Percentage of nitrogenous constituents. 



[Calculated on water- ash- and fat-free basis.] 

 LIGHT MEAT. 



Determinations. 



Total nitrogen 



Total nitrogen in aqueous extract 



Coagulable nitrogen in aqueous extract 



Albumose nitrogen 



Amido acid nitrogen 



Peptone nitrogen (by difference) 



Nitrogen insoluble in water (by differ- 

 ence) . 



Storage 14 months. 



No. 84. 



No. 85. 



16. 30 16. 20 



16.25 

 4.72 I 4.47 



4.59 

 2.33 I 2.18 



2 25 

 0. 236 '] 0. 195 



0.215 

 1.51 I 1.35 



1.43 

 0.645 I 0.737 



0.691 

 12. 20 I 12. 48 



12. 34 



Storage 2 years. 



No. 69 a No. 79 



16.30 

 3.66 



16.45 

 3.77 



3.71 

 1. 41 I 1. 94 



1.67 

 0.082 I 0.138 



0.110 

 1. 01 I 0. 727 



0.868 

 1. 06 I 0. 975 



1.01 

 12.64 I 12.30 



12.47 

 I 



Storage 4 years. 



No. 82. No. 83. 



16. 00 14. 65 



15.32 

 4. 475 I 



4.49 

 2.38 ! 



2.31 

 0.0957 I 



0.146 

 1. 138 I 



1.26 

 0.858 I 



0.718 

 11. 52 I 10. 12 



10.82 



4.52 



2.35 



0.197 



1.395 



0.578 



DARK MEAT. 



Total nitrogen \< 



Total nitrogen in aqueous extract \< 



Coagulable nitrogen in aqueous extract . ■< 



Albumose nitrogen I 



Amido acid nitrogen [ \ 



Peptone nitrogen (by difference) < 



Nitrogen insoluble in water (by differ- j 

 ence) . j\ 



16.20 I 16.32 I 



16.26 

 3.34 I 3.94 



3.64 

 1. 97 l 2. 12 



2.04 

 0.167 I 0.213 



0. 190 

 1.111 1.093 



1.102 

 0.202 I 0.504 



0.353 

 12. 10 I 12. 88 



12.49 



16.38 

 2.51 



16.40 

 2.43 



2.47 

 1.10 I 1.15 



1.12 

 0.0937 I 0.1752 



0. 1344 



1.03 0.876 



0.953 

 0. 240 I 0. 232 



0.236 

 13.85 I 13.98 



13.91 



16. 24 I 15. 42 



15. 83 

 3.13 I 



3.01 

 1.60 I 



1.62 

 0.156 I 



0.152 

 1.06 [ 



1.015 

 0.314 I 



0.326 

 13.10 I 12.52 



12. 81 



2.90 

 1.45 

 0.148 

 0.970 

 0.338 



a Thawed by soaking, average omitted for total nitrogen. 



