THBP.

21 C.F.R. § 172.190
in effectEffective: 2024-07-01
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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.

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