# Natamycin (pimaricin) — Food additive regulatory approval status — US FDA vs EU For Natamycin (pimaricin), jurisdiction is US FDA (21 CFR 172–178); status is permitted; citation is 21 CFR 172.155; use conditions is antimycotic on cheese, in amounts not to exceed 20 milligrams per kilogram (20 parts per million) in the finished product; cas no. is 7681-93-8, recorded from its source on 2026-08-15. - **Additive:** Natamycin (pimaricin) _(verified: appears in the quote below)_ - **Jurisdiction:** US FDA (21 CFR 172–178) _(our reading, not quoted from the source)_ - **Status:** permitted _(our reading, not quoted from the source)_ - **Citation:** 21 CFR 172.155 _(our reading, not quoted from the source)_ - **Use conditions:** antimycotic on cheese, in amounts not to exceed 20 milligrams per kilogram (20 parts per million) in the finished product - **CAS No.:** 7681-93-8 _(verified: appears in the quote below)_ ## What the source says > ( b ) The additive is used as an antioxidant alone or in combination with other permitted antioxidants. ( c ) The total amount of all antioxidants added to such food shall not exceed 0.02 percent of the oil or fat content of the food, including the essential (volatile) oil content of the food. § 172.155 Natamycin (pimaricin). ( a ) Natamycin (CAS Reg. No. 7681-93-8), ## Source - https://www.ecfr.gov/current/title-21/chapter-I/subchapter-B/part-172/subpart-B Last verified: 2026-08-15. Review by: 2027-08-15. Part of [Food additive regulatory approval status — US FDA vs EU](https://referencesource.org/food-additive-approval-status-us-vs-eu/).