CHANGES IN FRESH BEEF DURING COLD STORAGE. 
37 
Table 13.- 
-Composition expressed in terms of percentages of moisture-free and 
fat- free material. 
Serial 
No. 
Description of sample. 
Storage 
period. 
Mois- 
ture, 
fat-free 
basis. 
Ash. 
Total 
nitro- 
gen. 
Am- 
moni- 
acal 
nitro- 
gen. 
Phosphorus. 
Total. 
Solu- 
ble. 
Insolu- 
ble. 
1 
7 
Round: Right hind quarter. 
Round: Left hind quarter . . . 
D. H. 
1 19 
15 19 
75.83 
76.57 
4.55 
4.82 
14.46 
14.83 
0.0328 
.0365 
0.853 
.888 
0.650 
681 
0.203 
.207 
14 
+ 0.74 
+ .27 
+ .37 
+ .0037 
+ .035 
+ .035 
+ .004 
Rump: Right hind quarter. . 
Rump: Left hind quarter. . . 
2 
8 
1 19 
15 19 
76.38 
76.96 
4.59 
4.74 
14.51 
14.75 
.0345 
.0360 
.811 
.873 
.655 
.646 
.125 
.276 
14 
+ 0.58 
+ .15 
+ .24 
+ .0015 
+ .062 
- .009 
-f .071 
Loin: Right hind quarter. . . 
Loin: Left hind quarter 
Change 
3 
9 
1 19 
15 19 
76.58 
76.92 
4.50 
4.80 
14.62 
15.06 
.0341 
.0323 
.837 
.858 
.652 
.653 
.185 
.205 
14 
+ 0.34 
+ .30 
+ .44 
- .0018 
+ .021 
+ .001 
+ .020 
Table 14 shows the composition of the 0.9 per cent sodium chloric! 
extract of the meat expressed in terms of percentages of the fresh 
material. On account of the effect upon the results of variations in 
the fat and moisture content of the meats from which these extracts 
were prepared, these data have been recalculated to the moisture-free 
and fat- free basis and are so expressed in Table 15. 
Table 15 shows the composition of the 0.9 per cent sodium chlorid 
extracts of the meat expressed in terms of percentages of moisture- 
free and fat- free material. 
Appreciable decreases took place in total soluble solids, ranging 
from 0.05 per cent in the case of the loin to 0.73 per cent in the case 
of the round. It will be recalled that in the autolysis experiment 
reported in this paper there was a distinct decrease in total solids in 
the early stages of the experiment. 
The ash shows appreciable increases that go hand in hand with 
a much smaller average increase in total soluble phosphorus. Slight 
changes in ash of extract are not of great significance on account of 
the unavoidable error in correcting for the presence of relatively large 
amounts of sodium chlorid in the presence of small amounts of ash. 
Organic extractives and acidity show appreciable decreases that 
are in harmony with similar changes noted in the early stages of the 
autolysis experiment previously reported. 
Changes in nitrogen and phosphorous compounds will be discussed 
in connection with Tables 17 and 18. 
Table 16 shows the composition of the fat at the beginning and end 
of the storage period. 
The iodin numbers and refractive indices show practically no 
changes. There are appreciable increases in the acidity of the fats, 
ranging from 0.52 per cent in case of external fat to 0.17 per, cent 
in case of the intermuscular fat. The increase in acidity of the in- 
