[Code of Federal Regulations]
[Title 21, Volume 6]
[Revised as of January 1, 2003]
From the U.S. Government Printing Office via GPO Access
[CITE: 21CFR573.400]

[Page 502-503]
 
                        TITLE 21--FOOD AND DRUGS
 
CHAPTER I--FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN 
                          SERVICES (CONTINUED)
 
PART 573--FOOD ADDITIVES PERMITTED IN FEED AND DRINKING WATER OF ANIMALS--Table of Contents
 
                    Subpart B--Food Additive Listing
 
Sec.  573.400  Ethoxyquin in certain dehydrated forage crops.

    Ethoxyquin (1,2-dihydro-6-ethoxy-2,2,4-trimethylquinoline) may be 
safely used in the dehydrated forage crops listed in paragraph (a) of 
this section when incorporated therein in accordance with the conditions 
prescribed in this section:
    (a) It may be added to dehydrated forage prepared from:

Alfalfa...................................  Medicago sativa.
Barley....................................  Hordeum vulgare.
Clovers:
  Alsike clover...........................  Trifolium hybridum.
  Crimson clover..........................  Trifolium incarnatum.
  Red clover..............................  Trifolium pratense.
  White clover (including Ladino).........  Trifolium repens.
  White sweetclover.......................  Melilotus alba.
  Yellow sweetclover......................  Melilotus officinalis.
Coastal Bermudagrass......................  Cynodon dactylon.
Corn......................................  Zea mays.
Fescue....................................  Festuca sp.
Oats......................................  Avena sativa.
Orchardgrass..............................  Dactylis glomerata.
Reed canarygrass..........................  Pharlaris arundinacea.
Ryegrass (annual and perennial)...........  Elymus sp. and Lolium
                                             perenne.
Sorghums..................................  Sorghum vulgare vars,
                                             feterita, shallu, kaoliang,
                                             broomcorn.
Sudan grass...............................  Sorghum vulgare sudanense.
Wheat.....................................  Triticum aestivum.



or any mixture of such forage crops, for use only as an animal feed.
    (b) Such additive is used only as a chemical preservative for the 
purpose of retarding oxidative destruction of naturally occurring 
carotenes and vitamin E in the forage crops.
    (c) It is added to the dehydrated forage crops in an oil mixture 
containing only suitable animal or suitable vegetable oil, prior to 
grinding and mixing.
    (d) The maximum quantity of the additive permitted to be used and to 
remain in or on the dehydrated forage crop shall not exceed 150 parts 
per million.

[[Page 503]]

    (e) To assure the safe use of the additive, the label of the market 
package shall contain, in addition to other information required by the 
act:
    (1) The name of the additive as specified in this section.
    (2) Directions for the incorporation of the additive in the forage 
crops, as specified in paragraph (c) of this section, with the directive 
that only suitable animal or suitable vegetable oils are to be used in 
the oil mix.
    (f) The label of any dehydrated forage crops treated with the 
additive or the label of an animal-feed supplement containing such 
treated forage crops, shall, in addition to other information required 
by the act, bear the following statements:
    (1) ``Ethoxyquin, a preservative,'' or ``Ethoxyquin added to retard 
the oxidative destruction of carotene and vitamin E.''
    (2) The statement ``For use in animal feed only.''