Grades, Grade Requirements, and Grade Designations
§868.2617 CFR Ch. VIII (1-1-05 Edition)
Grade and grade requirements for the classes of brown rice for processing (see also §868263.)
|
| BROWN RICE |
| Grade |
Maximum limits of-- |
| Paddy kernals |
Seeds and heat damaged kernals |
| Percent |
number in 500 grams |
Total (singly or combined)(number in 500 grams) |
Heat damaged kernals (number in 500 grams) |
Objectionable seeds (number in 500 grams) |
| U.S. No. 1 |
-- |
20 |
10 |
1 |
2 |
| U.S. No 2 |
2.0 |
-- |
40 |
2 |
10 |
| U.S. No 3 |
2.0 |
-- |
70 |
4 |
20 |
| U.S. No 4 |
2.0 |
-- |
100 |
8 |
35 |
| U.S. No 5 |
2.0 |
-- |
150 |
15 |
50 |
| Grade |
Maximum limits of-- |
| Red rice and damaged kernals |
Chalky kernals1,2 (percent) |
Broken kernals removed by a 6 or 6 1/2 sieve3 (percent) |
Other types4 |
Wellmilled kernals (percent) |
| U.S. No. 1 |
1.0 |
2.0 |
1.0 |
1.0 |
1.0 |
| U.S. No 2 |
2.0 |
4.0 |
2.0 |
2.0 |
3.0 |
| U.S. No 3 |
4 |
6.0 |
3.0 |
5.0 |
10.0 |
| U.S. No 4 |
8.0 |
8.0 |
4.0 |
10.0 |
10.0 |
| U.S. No 5 |
15.0 |
15.0 |
6.0 |
10.0 |
10.0 |
U.S. Sample grade:
U.S. Sample grade shall be milled rice of any of these classes which: (a)Does not meet the requirements for any of the grades from U.S. No. 1 to U.S. No. 6, inclusive; (b)contains more than 15.0 percent of moisture; (c) is musty or sour, or heating; (d) has any commercially objectionable foreign oder; (e) contains more than 0.1 percent of foreign material; (f) contains two or more live or dead weevils or other instects, insect webbing, or insect refuse; or (g) is otherwise of distinctly low quality. |
1For the special grade Parboiled milled rice see §868.315 (c).
2For the special grade Glutinous milled rice see §868.315 (e).
3Plates should be used for southern production rice, and sieves should be used for western production rice, but any device or method which gives equivalent results may be used.
4These limits do not apply to the class Mixed Brown Rice for Processing.
[56 FR 55979, Oct. 31, 1991. Redesignated and ammended at
[67 FR 61250, Sept. 30, 2002]
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Selection Guide 
