§ 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 form
As a tableting adjuvent in an amount not to exceed good manufacturing practice.
Nonnutritive sweeteners in concentrated liquid form
As a stabilizer, bodying agent, and dispersant, in an amount not to exceed good manufacturing practice.
Nonnutritive sweeteners in tablet form
As a tableting adjuvant in an amount not to exceed good manufacturing practice.
Vitamin and mineral concentrates in liquid form
As a stabilizer, bodying agent, and dispersant, in an amount not to exceed good manufacturing practice.
Vitamin and mineral concentrates in tablet form
As a tableting adjuvant in an amount 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.