Butter, Butteroil, AMF, and Cream Butter U.S. Standards for Grades of Butter 21 U.S. Code 321a: Butter Defined 21 CFR Part 101.4: Ingredient Names 21 CFR Part 101.67: Nutrient Content Claims Manufacturers Suppliers Butteroil and Anhydrous Milkfat (AMF) 7 CFR Part 58.347 Butteroil Manufacturers AMF Manufacturers Butteroil Suppliers AMF Suppliers Cream 21 CFR Part 131 Manufacturers Suppliers Additional Resources Additional resources including the Dried Dairy Ingredients Handbook and more are available for ADPI members. Click the button to log-in to access these resources. Resources Trends