868.210—Grades and grade requirements for the classes of Rough Rice. (See also § 868.212.)
| Grade | Maximum limits of— | Seeds and heat-damaged kernels | Total (singly or combined) (Number in 500 grams) | Heat-damaged kernels and objectionable seeds (singly or combined) (Number in 500 grams) | Heat-damaged kernels (Number in 500 grams) | Red rice and damaged kernels (singly or combined) (Percent) | Chalky kernels 1,2 | In long grain rice (Percent) | In medium or short grain rice (Percent) | Other types 3 (Percent) | Color requirements 1 (minimum) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| U.S. No. 1 | 4 | 3 | 1 | 0.5 | 1.0 | 2.0 | 1.0 | Shall be white or creamy. | |||
| U.S. No. 2 | 7 | 5 | 2 | 1.5 | 2.0 | 4.0 | 2.0 | May be slightly gray. | |||
| U.S. No. 3 | 10 | 8 | 5 | 2.5 | 4.0 | 6.0 | 3.0 | May be light gray. | |||
| U.S. No. 4 | 27 | 22 | 15 | 4.0 | 6.0 | 8.0 | 5.0 | May be gray or slight rosy. | |||
| U.S. No. 5 | 37 | 32 | 25 | 6.0 | 10.0 | 10.0 | 10.0 | May be dark gray or rosy. | |||
| U.S. No. 6 | 75 | 75 | 75 | 4 15.0 | 15.0 | 15.0 | 10.0 | May be dark gray or rosy. | |||
| U.S. Sample grade | |||||||||||
| U.S. Sample grade shall be rough rice 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 14.0 percent of moisture; (c) is musty, or sour, or heating; (d) has any commercially objectionable foreign odor; or (e) is otherwise of distinctly low quality. | |||||||||||
| 1 For the special grade Parboiled rough rice, see § 868.212(b) . | |||||||||||
|
2 For the special grade Glutinous rough rice, see § 868.212(d)
.
Code of Federal Regulations
537
|
|||||||||||
| 3 These limits do not apply to the class Mixed Rough Rice. | |||||||||||
| 4 Rice in grade U.S. No. 6 shall contain not more than 6.0 percent of damaged kernels. | |||||||||||