Potassium nitrate
For Potassium nitrate, jurisdiction is US FDA (21 CFR 172–178); status is permitted; citation is 21 CFR 172.160; use conditions is curing agent in the processing of cod roe, in an amount not to exceed 200 parts per million of the finished roe, recorded from its source on 2026-08-15.
- Additive
- Potassium nitrate verified
- Jurisdiction
- US FDA (21 CFR 172–178) our reading
- Status
- permitted our reading
- Citation
- 21 CFR 172.160 our reading
- Use conditions
- curing agent in the processing of cod roe, in an amount not to exceed 200 parts per million of the finished roe verified
Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.
What the source says
§ 172.160 Potassium nitrate. 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.
— ecfr.gov, retrieved 2026-08-15
Source
- ecfr.govhttps://www.ecfr.gov/current/title-21/chapter-I/subchapter-B/part-172/subpart-B