更多關于谷粉及相關產品的法規，請詳見美國FDA 21 CFR 第137部分關于谷粉及相關產品的法規匯總。
§ 137.320 Semolina.
?。╝） Semolina is the food prepared by grinding and bolting cleaned durum wheat to such fineness that, when tested by the method prescribed in §137.300（b）（2）, it passes through a No. 20 sieve, but not more than 3 percent passes through a No. 100 sieve. It is freed from bran coat, or bran coat and germ, to such extent that the percent of ash therein, calculated to a moisture-free basis, is not more than 0.92 percent. Its moisture content is not more than 15 percent.
?。╞） For the purpose of this section, ash and moisture are determined by the methods therefor referred to in §137.105（c）.
