Polyvinylpyrrolidone.
21 C.F.R. § 173.55
in effectEffective: 2024-07-01The food additive polyvinylpyrroli-done may be safely used in accordance with the following prescribed conditions:
(a) The additive is a polymer of purified vinylpyrrolidone catalytically produced, having an average molecular weight of 40,000 and a maximum unsaturation of 1 percent, calculated as the monomer, except that the polyvinylpyrrolidone used in beer is that having an average molecular weight of 360,000 and a maximum unsaturation of 1 percent, calculated as the monomer.
(b) The additive is used or intended for use in foods as follows:
Source: eCFRURL: https://www.ecfr.gov/api/versioner/v1/full/2024-07-01/title-21.xmlFetched: 7/26/2026
