7 CFR § 868.310
Grades and grade requirements for the classes Long Grain Milled Rice, Medium Grain Milled Rice, Short Grain Milled Rice, and Mixed Milled Rice. (See also §868.315.)
July 6, 2020
Grades, Grade Requirements, and Grade Designations
Open Table
| Grade | Maximum limits of— | Color requirements1 |
Minimum milling requirements5 |
||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Seeds, heat damaged, and paddy kernels (singly or combined) |
Red rice and damaged kernels (singly or combined) (percent) |
Chalky kernels1 2 | Broken kernels | Other types4 | |||||||||
| Total (number in 500 grams) | Heat damaged kernels and objectionable seeds (number in 500 grams) |
In long grain rice (percent) |
In medium or short grain rice (percent) |
Total (percent) | Removed by a 5 plate3 (percent) | Removed by a 6 plate3 (percent) | Through a 6 sieve3 (percent) | Whole kernels (percent) | Whole and broken kernels (percent) |
||||
| U.S. No. 1 | 2 | 1 | 0.5 | 1.0 | 2.0 | 4.0 | 0.04 | 0.1 | 0.1 | 1.0 | White or creamy | Well Milled. | |
| U.S. No. 2 | 4 | 2 | 1.5 | 2.0 | 4.0 | 7.0 | 0.06 | 0.2 | 0.2 | 2.0 | Slightly gray | Well Milled. | |
| U.S. No. 3 | 7 | 5 | 2.5 | 4.0 | 6.0 | 15.0 | 0.1 | 0.8 | 0.5 | 3.0 | Light gray | Reasonably well milled. | |
| U.S. No. 4 | 20 | 15 | 4.0 | 6.0 | 8.0 | 25.0 | 0.4 | 1.0 | 0.7 | 5.0 | Gray or slightly rosy | Reasonably well milled. | |
| U.S. No. 5 | 30 | 25 | 56.0 | 10.0 | 10.0 | 35.0 | 0.7 | 3.0 | 1.0 | 10.0 | Dark gray or rosy | Reasonably well milled. | |
| U.S. No. 6 | 75 | 75 | 615.0 | 15.0 | 15.0 | 50.0 | 1.0 | 4.0 | 2.0 | 10.0 | Dark gray or rosy | Reasonably well milled. | |
| 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 odor; (e) contains more than 0.1 percent of foreign material; (f) Contains two or more live or dead weevils or other insects, insect webbing, or insect refuse; (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 Milled Rice.
5For the special grade Undermilled milled rice, see §868.315(d).
6Grade U.S. No. 6 shall contain not more than 6.0 percent of damaged kernels.
[67 FR 61250, Sept. 30, 2002, as amended at 70 FR 37255, June 29, 2005]
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