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。
§ 137.225 Whole durum flour.
Whole durum wheat flour conforms to the definition and standard of identity, and is subject to the requirements for label statement of ingredients, prescribed for whole wheat flour by §137.200, except that cleaned durum wheat, instead of cleaned wheat other than durum wheat and red durum wheat, is used in its preparation.
[58 FR 2877, Jan. 6, 1993]
