§184.1903 食品添加剂三丁酸甘油�?Tributyrin)

　　（a� Tributyrin （C15H26O6, CAS Reg. No. 60�C01�C5�? also known as butyrin or glyceryl tributyrate, is the triester of glycerin and butyric acid. It is prepared by esterification of glycerin with excess butyric acid.

　　（b� The ingredient meets the specification of the Food Chemicals Codex, 3d Ed. �?981�? p. 416, which is incorporated by reference in accordance with 5 U.S.C. 552（a�? Copies are available from the National Academy Press, 2101 Constitution Ave. NW., Washington, DC 20418, or available for inspection at the National Archives and Records Administration （NARA�? For information on the availability of this material at NARA, call 202�C741�C6030, or go to:http://www.archives.gov/federal_register/code_of_federal_regulations/ibr_locations.html.

　　（c� In accordance with��184.1（b）（1�? the ingredient is used in food with no limitation other thancurrent good manufacturing practice. The affirmation of this ingredient as generaly recognized as safe （GRAS� as a direct human food ingredient is based upon the following current good manufacturing practice conditions of use:

　　�?� The ingredient is used in food as a flavoring agent and adjuvant as defined in��170.3（o）（12� of this chapter.

　　�?� The ingredient is used in the following foods at levels not to exceed current good manufacturing practice; baked goods as defined in ��170.3（n）（1� of this chapter; alcoholic beverages as defined in ��170.3（n）（2� of this chapter; nonalcoholic beverages as defined in ��170.3（n）（3� of this chapter; fats and oils as defined in ��170.3（n）（12� of this chapter; frozen dairy desserts and mixes as defined in ��170.3（n）（20� of this chapter; gelatins, puddings and fillngs as defined in ��170.3（n）（22� of this chapter; and soft candy as defined in ��170.3（n）（38� of this chapter.

　　（d� Prior sanctions for this ingredient different from the uses established in this section do not exist or have been waived.

　　[54 FR 7404, Feb. 21, 1989; 54 FR 10482, Mar. 13, 1989]