10 
BULLETIN 570, IT. S. DEPARTMENT OF AGRICULTURE. 
Table 7. — Yield of by-products and cleaned rice obtained from the milling of 13,935 
pounds of No. 1 Blue Rose type rice. Lot A. 
[Quantity of rice milled: 71 bags or 86 barrels of 162 pounds each; total weight, 13,935 pounds]. 
Cleaned rice and by-products. 
Yield. 
Cleaned rice and by-products. 
Yield. 
Hulls 
Pounds. 
2, 706. 
294.5 
391.5 
481.0 
Per cent. 
19.4 
2.1 
2.8 
3.4 
Polish 
Pounds. 
397.0 
7, 900. 
1,130.0 
270.0 
100.0 
265.0 
Par cent. 
2 9 
Brans: 
Head rice 
56.6 
Stone reel (25.2 per cent).. 
8.1 
First break (33.6 per cent ) . 
Second break (41.2 per 
Brewer's rice 
Chicken feed 
1.9 
0.7 
cent) 
1.9 
The laboratory results on the samples from this run are shown in 
Table 8. 
Table 8. — Chemical composition of by-products and of rice at different stages of milling 
No. 1 Blue Rose type rice. Lot A. 
Sample No. 
Description of sample. 
Moisture. 
Ash. 
Ash 
insoluble 
in 10 
per cent 
HOI. 
Ratio of 
insoluble 
ash to 
total ash. 
Crude 
fiber. 
11996— L 
Hulls 
Per cent. 
7.51 
8.91 
9.28 
9.91 
9.45 
8.87 
11.95 
11.67 
8.84 
12.68 
11.90 
12. 33 
12.55 
12.30 
11.07 
Per cent. 
17.90 
13.46 
7.43 
7.24 
8.87 
7.39 
Per cent. 
17.59 
9.62 
1.03 
1.19 
3.26 
.60 
1:1.02 
1:1.40 
1:7.21 
1:6.08 
1:2.71 
1:12.32 
Per cent. 
43.19 
11993— L 
Stone-reel bran 
23.54 
12675— L 
9.13 
12677— L 
7.83 
12679— L 
Calculated analysis of mixed bran 
12.23 
1.59 
11991—L 
11992— L 
11995—L 
Hulls and bran after the monitor 
Rice after stone monitor going to paddy. 
Rice from rough side of paddy machine. 
Rice from clean side of paddy machine . 
Rice after first-break huller screen 
11997— L 
11999—L 
11998— L 
12000— L 
12678— L 
12678— L 
Rice after brush machine (finely ground) . 
0.30 
0.01 
1:30.0 
0.37 
Sample No. 
Description of sample. 
Protein 
(N X6.25). 
Ether 
extract. 
Nitro- 
gen-free 
extract. 
Pento- 
sans. 
Starch. 
11996— L 
Hulls 
Per cent. 
1.93 
9.68 
14.93 
14.60 
13.47 
12.79 
Per cent. 
0.59 
8.61 
20.11 
18.68 
16.62 
16.99 
Per cent. 
28.88 
35.80 
39.12 
41.74 
39.36 
52.37 
Per cent. 
16.73 
12.95 
7.35 
7.39 
Per cent. 
1.25 
11993— L 
7.82 
12675— L 
12.63 
12677— L 
Second-break bran 
16.37 
Calculated analysis of mixed bran 
12679— L 
4.68 
33.88 
11991—L 
11992 L 
11995 L 
11997—L 
Rice after stone monitor going to paddy. 
11999 — l 
11998 L 
12000— L 
12678 — L 
12678— L 
Rice after brush machine (finely 
7.87 
0.52 
79.87 
