# Listeria -specific bacteriophage preparation — Food additive regulatory approval status — US FDA vs EU For Listeria -specific bacteriophage preparation, jurisdiction is US FDA (21 CFR 172–178); status is permitted; citation is 21 CFR 172.785; use conditions is as an antimicrobial agent specific for Listeria monocytogenes ( L, recorded from its source on 2026-08-15. - **Additive:** Listeria -specific bacteriophage preparation _(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 172.785 _(our reading, not quoted from the source)_ - **Use conditions:** as an antimicrobial agent specific for Listeria monocytogenes ( L. _(verified: appears in the quote below)_ ## What the source says > 24, 2023] § 172.785 Listeria -specific bacteriophage preparation. The additive may be safely used as an antimicrobial agent specific for Listeria monocytogenes ( L. monocytogenes ) in accordance with the following conditions: ## Source - https://www.ecfr.gov/current/title-21/chapter-I/subchapter-B/part-172 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/).