68 



PRELIMINARY COLD STORAGE STUDIES. 

 (B) Analysis of fat of fresh chicken. 



Determinations. 



Plymouth 



Rock 



broiler. 



No. 66. 



Plymouth Plymouth 



Rock Eoek 



broiler, I broiler, 



No. 68. i Xo. 73. 



Rhode 



Island Red 



roaster, 



Xo. 78. 



Average. 



Iodin number 



Saponification number 



Acid value 



Ester value 



Per cent of free acid calculated as oleic. 



Hehner number 



Index of refraction at 35° C 



62.6 

 182.2 



0.5 

 181.7 



0.25 



71.2 



176.7 



1.5 



175.2 



0.76 

 84.25 



62.7 

 190.2 



0.8 

 189.4 



0.40 



61.1 

 176.8 

 0.5 

 176.3 

 0.25 

 85.79 

 1.4566 



64,4 



181.4 



0.7 



180.6 



0.41 

 86.36 



(C) Percentage of nitrogen in muscle of fresh chicken. 

 LIGHT MEAT. 



Determinations. 



Xo. 66. 



Xo. 



Xo. 73. 



Xo. 78. 



3.90 



4.07 



0.995 

 25.5 



0.922 

 22.65 



0.534 

 13.7 



0.402 

 9.90 



0. 0181 

 0.465 



0.0188 

 0.462 



0.296 

 7.90 



0.325 

 8.00 



0.147 

 3.76 



0.177 

 4.35 



2.90 

 74.5 



3.15 

 7 7.5 



Xo. 



Average. 



Total nitrogen. 



Total nitrogen in aqueous extract . . . 



Coagulable nitrogen in aqueous extract . . j 



Albumose nitrogen 



Amido acid nitrogen 



Peptone nitrogen (by difference) 



Xitrogen insoluble in water (by differ- 

 ence) 



0.920 

 a22.40 



0.338 

 8.23 



0.0269 

 0.655 



0.355 

 8.65 



0.200 

 4,87 



3.19 

 77.60 



3.82 



0.954 

 25.00 



0.408 

 10.7 



0. 0290 

 0.775 



2.86 

 74.8 



3.84 



0.923 

 24.03 



0.371 

 9.66 



0. 0392 

 1.02 



0.328 

 8.55 



0.185 

 4.81 



2.917 

 76.00 



3.94 

 23.91 



10.42 



0.675 



8.27 



4.19 



76.09 



DARK MEAT. 



Total nitrogen , 



Total nitrogen in aqueous extract 



Coagulable nitrogen in aqueous extract. 



Albumose nitrogen 



Amido acid nitrogen 



Peptone nitrogen (by difference) . 



Xitrogen insoluble in water (by differ- 

 ence) ." 



3.69 



3.58 



3.55 



3.91 



3.42 





/ 0.659 



\ol7.85 



0.704 

 19.68 



0.639 

 18.00 



0.569 

 14. 30 



0.645 

 18.85 



! 



J 0.291 

 \ 7.89 



0.320 

 8.93 



0.331 

 9.34 



0.252 

 6.45 



0.262 

 7.66 



} 



/ 0.0235 

 \0.63 7 



0. 0205 

 0.573 



0. 0112 

 0.316 



0. 0103 

 0.263 



0. 0215 

 0.628 



1 



/ 0.266 

 \ 7.21 





0.239 

 6.75 



0.208 

 5.33 



0.256 

 7.48 



I 





f 0.087 

 \ 2.36 



/ 3.03 

 1 82.00 





0.057 

 1.60 



2.91 

 82.1 



0.099 

 2.56 



3.34^ 

 85. 5 



0.106 

 3.1 



2.77 

 " 81.3 



} 





2.88 

 80.5 



> 



3.63 

 17.73 



8.05 



0.483 



6.69 



2.39 



82.27 



a All figures in bold-faced type are percentages based on total nitrogen. 



