21 C.F.R. § 582.3616 Potassium bisulfite.
Title 21 - Food and Drugs
(a) Product. Potassium bisulfite. (b) [Reserved] (c) Limitations, restrictions, or explanation. This substance is generally recognized as safe when used in accordance with good manufacturing or feeding practice, except that it is not used in meats or in food recognized as source of vitamin B1.
Title 21: Food and Drugs
PART 582—SUBSTANCES GENERALLY RECOGNIZED AS SAFE
Subpart D—Chemical Preservatives
§ 582.3616 Potassium bisulfite.