subchapter_subject: "FOOD FOR HUMAN CONSUMPTION (CONTINUED)"
part_code: "173"
part_subject: "SECONDARY DIRECT FOOD ADDITIVES PERMITTED IN FOOD FOR HUMAN CONSUMPTION"
subpart_code: "B"
subpart_subject: "Enzyme Preparations and Microorganisms"
section_number: "173.135"
section_subject: "Catalase derived from "
cfr_reference: "21 CFR 173.135"
title_name: "Title 21"
title_subject: "Food and Drugs"
parts_covered: "Parts 170 to 199"
revised_date: "Revised as of April 1, 2019"
publication_date: "As of April 1, 2019"
contains_description: "Containing a codification of documents of general applicability and future effect"
publication_info: "Published by the Office of the Federal Register National Archives and Records Administration as a Special Edition of the Federal Register"
---
Bacterial catalase derived from Micrococcus lysodeikticus by a pure culture fermentation process may be safely used in destroying and removing hydrogen peroxide used in the manufacture of cheese, in accordance with the following conditions.
(a)The organism Micrococcus lysodeikticus from which the bacterial catalase is to be derived is demonstrated to be nontoxic and nonpathogenic.
(b)The organism Micrococcus lysodeikticus is removed from the bacterial catalase prior to use of the bacterial catalase.
(c)The bacterial catalase is used in an amount not in excess of the minimum required to produce its intended effect.