[Code of Federal Regulations]
[Title 21, Volume 3]
[Revised as of April 1, 2005]
From the U.S. Government Printing Office via GPO Access
[CITE: 21CFR173.320]

[Page 139-140]
 
                        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 D_Specific Usage Additives
 
Sec. 173.320  Chemicals for controlling microorganisms in cane-sugar 
and beet-sugar mills.

    Agents for controlling microorganisms in cane-sugar and beet-sugar 
mills may be safely used in accordance with the following conditions:
    (a) They are used in the control of microorganisms in cane-sugar 
and/or beet-sugar mills as specified in paragraph (b) of this section.
    (b) They are applied to the sugar mill grinding, crusher, and/or 
diffuser systems in one of the combinations listed in paragraph (b) (1), 
(2), (3), or (5) of this section or as a single agent listed in 
paragraph (b) (4) or (6) of this section. Quantities of the individual 
additives in parts per million are expressed in terms of the weight of 
the raw cane or raw beets.
    (1) Combination for cane-sugar mills:

------------------------------------------------------------------------
                                                                  Parts
                                                                   per
                                                                 million
------------------------------------------------------------------------
Disodium cyanodithioimidocarbonate.............................      2.5
Ethylenediamine................................................      1.0
Potassium N-methyldithiocarbamate..............................      3.5
------------------------------------------------------------------------

    (2) Combination for cane-sugar mills:

------------------------------------------------------------------------
                                                                  Parts
                                                                   per
                                                                 million
------------------------------------------------------------------------
Disodium ethylenebisdithiocarbamate............................      3.0
Sodium dimethyldithiocarbamate.................................      3.0
------------------------------------------------------------------------

    (3) Combinations for cane-sugar mills and beet-sugar mills:

------------------------------------------------------------------------
                                                                  Parts
                                                                   per
                                                                 million
------------------------------------------------------------------------
(i) Disodium ethylenebisdithiocarbamate........................      3.0
Ethylenediamine................................................      2.0
Sodium dimethyldithiocarbamate.................................      3.0
(ii) Disodium cyanodithioimidocarbonate........................      2.9

[[Page 140]]


Potassium N-methyldithiocarbamate..............................      4.1
------------------------------------------------------------------------

    (4) Single additive for cane-sugar mills and beet-sugar mills.

------------------------------------------------------------------------
                                                 Parts per million
------------------------------------------------------------------------
2,2-Dibromo-3-nitrilopropionamide (CAS     Not more than 10.0 and not
 Reg. No. 10222-01-2). Limitations:         less than 2.0.
 Byproduct molasses, bagasse, and pulp
 containing residues of 2,2-dibromo-3-
 nitrilopropionamide are not authorized
 for use in animal feed.
------------------------------------------------------------------------

    (5) Combination for cane-sugar mills:

------------------------------------------------------------------------
                                                             Parts per
                                                              million
------------------------------------------------------------------------
n-Dodecyl dimethyl benzyl ammonium chloride.............      0.05