CFR›Title 21›Chapter I›Part 186 ContainsSubparts A–BCorpusDaily eCFRDisplayed edition2026-04-15Last updated2026-04-15 PART 186—INDIRECT FOOD SUBSTANCES AFFIRMED AS GENERALLY RECOGNIZED AS SAFE Subparts A Subpart A—General Provisions Section 186.1 B Subpart B—Listing of Specific Substances Affirmed as GRAS Sections 186.1093–186.1839 Authority21 U.S.C. 321, 342, 348, 371.Source42 FR 14658, Mar. 15, 1977, unless otherwise noted. Previous 184 Part 184—Direct Food Substances Affirmed as Generally Recognized as Safe Next 189 Part 189—Substances Prohibited from Use in Human Food