Federal regulations · Through 2026-08-25 · Newer source version available

21 CFR 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.

Where this section sits in the code

Title 21—Food and Drugs
CHAPTER I—FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES
SUBCHAPTER B—FOOD FOR HUMAN CONSUMPTION
PART 173—SECONDARY DIRECT FOOD ADDITIVES PERMITTED IN FOOD FOR HUMAN CONSUMPTION
Subpart A—Polymer Substances and Polymer Adjuvants for Food Treatment

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.

Collected 2026-08-27T02:24:47Z. Source file · JSON

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