21 C.F.R. § 172.575
Quinine.
Cite as 21 C.F.R. § 172.575 (2026)
Quinine, as the hydrochloride salt or sulfate salt, may be safely used in food in accordance with the following conditions:
Uses
Limitations
In carbonated beverages as a flavor
Not to exceed 83 parts per million, as quinine. Label shall bear a prominent declaration of the presence of quinine either by the use of the word “quinine” in the name of the article or through a separate declaration.