Code of Federal Regulations Title 27. Alcohol, Tobacco Products and Firearms § 27.24.247 Materials authorized for the treatment of distilling material

Ammonium phosphate (mono- and dibasic

Yeast nutrient in distilling material

The amount used shall not exceed 10 lbs/1000 gals. (1.2 g/L). 21 CFR 184.1141 (GRAS).¹ See footnote below.

Benzoic acid, potassium and sodium salts of benzoic acid

To prevent fermentation of the sugar in wine being accumulated as distilling material

The amount used shall not exceed 0.1% (w/v) as benzoic acid. GRAS per FDA advisory opinions dated 9/22/82 and 9/8/83. 21 CFR 184.1021 and 184.1733 (GRAS).

Enzyme activity

The enzyme preparation used shall be prepared from nontoxic and nonpathogenic microorganisms in accordance with good manufacturing practice and be approved for use in food by either FDA regulation or by FDA advisory opinion.

Carbohydrase (alpha-Amylase)

To convert starches to fermentable carbohydrates

The amylase enzyme activity shall be derived from Aspergillus niger, Aspergillus oryzae, Bacillus subtilis, or barley malt per FDA advisory opinion of 8/18/83 or from Rhizopus oryzae per 21 CFR 173.130 or from Bacillus licheniformis per 21 CFR 184.1027.

Carbohydrase (beta-Amylase)

To convent starches to fermentable carbohydrates

The amylase enzyme activity shall be derived from barley malt per FDA advisory opinion dated 8/18/83.

Carbohydrase (Glucoamylase, Amyloglucosidase)

To convent starches to fermentable carbohydrates

The amylase enzyme activity shall be derived from Aspergillus niger or Aspergillus oryzae per FDA advisory opinion dated 8/18/83 or from Rhizopus oryzae per 21 CFR 173.130 or from Rhizopus niveus per 21 CFR 173.110.

Copper sulfate

To eliminate hydrogen sulfide and mercaptans

The finished brandy or wine spirits produced from distilling material to which copper sulfate has been added shall not contain more than 2 parts per million (2 mg/L) residual copper. GRAS per FDA advisory opinion of 7/23/69.

Hydrogen peroxide

To reduce the bisulfite aldehyde complex in distilling material

The amount used shall not exceed 200 parts per million. 21 CFR 184.1366 (GRAS).

Potassium permanganate

Oxidizing agent

The finished brandy or wine spirits produced from distilling material to which potassium permanganate has been added must be free of chemical residue resulting from such treatment. (GRAS)

Sodium hydroxide

Acid neutralizing agent

The finished brandy or wine spirits produced from distilling material to which sodium hydroxide has been added must be free of chemical residue resulting from such treatment. 21 CFR 184.1763 (GRAS).

Sulfuric acid

To effect favorable yeast development in distilling material; to prevent fermentation of the sugar in wine being accumulated as distilling material; to lower pH to 2.5 in order to prevent putrefaction and/or ethyl acetate development.

27 CFR 24.216 (GRAS), 21 CFR 184.1095 (GRAS).