[Code of Federal Regulations]
[Title 21, Volume 3]
[Revised as of April 1, 2001]
From the U.S. Government Printing Office via GPO Access
[CITE: 21CFR173.135]

[Page 121]
 
                        TITLE 21--FOOD AND DRUGS
 
CHAPTER I--FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN 
                          SERVICES (CONTINUED)
 
PART 173--SECONDARY DIRECT FOOD ADDITIVES PERMITTED IN FOOD FOR HUMAN CONSUMPTION--Table of Contents
 
            Subpart B--Enzyme Preparations and Microorganisms
 
Sec. 173.135  Catalase derived from Micrococcus lysodeikticus.

    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.