§ 173.357 — Materials Used As Fixing Agents In The Immobilization Of Enzyme Preparations

Fixing agents may be safely used in the immobilization of enzyme preparations in accordance with the following conditions:

(a) The materials consist of one or more of the following:

(1) Substances generally recognized as safe in food.

(2) Substances identified in this subparagraph and subject to such limitations as are provided:

(b) The fixed enzyme preparation is washed to remove residues of the fixing materials.