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CFR > Title 21 - Food and Drugs > CHAPTER I—FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES > SUBCHAPTER E—ANIMAL DRUGS, FEEDS, AND RELATED PRODUCTS (parts 500 to 590) > PART 573—FOOD ADDITIVES PERMITTED IN FEED AND DRINKING WATER OF ANIMALS > SUBPART B—Food Additive Listing (§573.120 to §573.1020) > 573.225—1,3-Butylene glycol.

CFR

573.225—1,3-Butylene glycol.

The food additive 1,3-butylene glycol (1,3-butanediol) may be safely used in accordance with the following prescribed conditions:
(a) It complies with the specifications in § 173.220(a) of this chapter.
(b) It is intended for use in swine feed as a source of energy.
(c) It is to be thoroughly mixed into feed at levels not to exceed 9 percent of the dry matter of the total ration.
(d) 1,3-Butylene glycol should be mixed in feed with equipment adapted for the addition of liquids, and the feed should be mixed not less than 5 minutes after its addition.

Code of Federal Regulations

[53 FR 40061, Oct. 13, 1988]
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