{"data":{"id":"us/21-cfr-172.160","jurisdiction":"us","citation":"21 CFR 172.160","heading":"Potassium nitrate.","body":"The food additive potassium nitrate may be safely used as a curing agent in the processing of cod roe, in an amount not to exceed 200 parts per million of the finished roe.","path":["Title 21—Food and Drugs","CHAPTER I—FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES","SUBCHAPTER B—FOOD FOR HUMAN CONSUMPTION","PART 172—FOOD ADDITIVES PERMITTED FOR DIRECT ADDITION TO FOOD FOR HUMAN CONSUMPTION","Subpart B—Food Preservatives"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-21.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:24:47Z","sha256":"0cd9f31629d63b95a32a653e46037e7ade64e7a3f8d327b51ecdbda98080f286","source_id":"us-cfr","stale":true,"prev":"us/21-cfr-172.155","next":"us/21-cfr-172.165"},"notice":"GroundRules: Original legal text. Not legal advice."}