THBP (2,4,5-trihydroxybutyrophenone)
For THBP (2,4,5-trihydroxybutyrophenone), jurisdiction is US FDA (21 CFR 172–178); status is permitted; citation is 21 CFR 172.190; use conditions is antioxidant alone or in combination with other permitted antioxidants; total antioxidant content will not exceed 0.02 percent of the oil or fat content of the food, recorded from its source on 2026-08-15.
- Additive
- THBP (2,4,5-trihydroxybutyrophenone) verified
- Jurisdiction
- US FDA (21 CFR 172–178) our reading
- Status
- permitted our reading
- Citation
- 21 CFR 172.190 our reading
- Use conditions
- antioxidant alone or in combination with other permitted antioxidants; total antioxidant content will not exceed 0.02 percent of the oil or fat content of the food
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
The food additive THBP (2,4,5-trihydroxybutyrophenone) may be safely used in food in accordance with the following prescribed conditions: ( a ) The food additive has a melting point of 149 °C-153 °C. ( b ) It is used as an antioxidant alone or in combination with other permitted antioxidants.
— ecfr.gov, retrieved 2026-08-15
Source
- ecfr.govhttps://www.ecfr.gov/current/title-21/chapter-I/subchapter-B/part-172/subpart-B