---
kind: "section"
citation: "21 C.F.R. § 172.190"
title: "21"
number: "172.190"
heading: "THBP."
url: "https://uscodex.org/cfr/21/172.190"
---

# §172.190. THBP.


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.**
- (c) The total antioxidant content of a food containing the additive will not exceed 0.02 percent of the oil or fat content of the food, including the essential (volatile) oil content of the food.

## Notes

### Authority

Authority: 21 U.S.C. 321, 341, 342, 348, 371, 379e.

### Source

Source: 42 FR 14491, Mar. 15, 1977, unless otherwise noted.