[Code of Federal Regulations] [Title 21, Volume 3] [Revised as of January 1, 2007] From the U.S. Government Printing Office via GPO Access [CITE: 21CFR173.55] [Page 127] TITLE 21--FOOD AND DRUGS CHAPTER I--FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES (CONTINUED) PART 173_SECONDARY DIRECT FOOD ADDITIVES PERMITTED IN FOOD FOR HUMAN Subpart A_Polymer Substances and Polymer Adjuvants for Food Treatment Sec. 173.55 Polyvinylpyrrolidone. The 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: ------------------------------------------------------------------------ Food Limitations ------------------------------------------------------------------------ Beer............................ As a clarifying agent, at a residual level not to exceed 10 parts per million. Flavor concentrates in tablet As a tableting adjuvent in an amount form. not to exceed good manufacturing practice. Nonnutritive sweeteners in As a stabilizer, bodying agent, and concentrated liquid form. dispersant, in an amount not to exceed good manufacturing practice. Nonnutritive sweeteners in As a tableting adjuvant in an amount tablet form. not to exceed good manufacturing practice. Vitamin and mineral concentrates As a stabilizer, bodying agent, and in liquid form. dispersant, in an amount not to exceed good manufacturing practice. Vitamin and mineral concentrates As a tableting adjuvant in an amount in tablet form. not to exceed good manufacturing practice. Vinegar......................... As a clarifying agent, at a residual level not to exceed 40 parts per million. Wine............................ As a clarifying agent, at a residual level not to exceed 60 parts per million. ------------------------------------------------------------------------ [[Page 128]]