[Code of Federal Regulations] [Title 21, Volume 3] [Revised as of April 1, 2001] From the U.S. Government Printing Office via GPO Access [CITE: 21CFR181.34] [Page 447] TITLE 21--FOOD AND DRUGS CHAPTER I--FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES (CONTINUED) PART 181--PRIOR-SANCTIONED FOOD INGREDIENTS--Table of Contents Subpart B--Specific Prior-Sanctioned Food Ingredients Sec. 181.34 Sodium nitrite and potassium nitrite. Sodium nitrite and potassium nitrite are subject to prior sanctions issued by the U.S. Department of Agriculture for use as color fixatives and preservative agents, with or without sodium or potassium nitrate, in the curing of red meat and poultry products. [48 FR 1705, Jan. 14, 1983]