Title 21: Food and Drugs
« Home / Title 21 - Food and Drugs--Volume 6 / CHAPTER I - FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES (CONTINUED) / SUBCHAPTER E - ANIMAL DRUGS, FEEDS, AND RELATED PRODUCTS
/ PART 573 - FOOD ADDITIVES PERMITTED IN FEED AND DRINKING WATER OF ANIMALS
/ Subpart B - Food Additive Listing / § 573.225 1,3-Butylene glycol.
§ 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.