§173.220 食品用溶�?,3-丁二�?1,3-Butylene glycol)

　　�� 173.220 1,3-Butylene glycol.

　　1,3-Butylene glycol �?,3-butanediol� may be safely used in food in accordance with the following prescribed conditions:

　　（a� The substance meets the following specifications:

　　�?� 1,3-Butylene glycol content: Not less than 99 percent.

　　�?� Specific gravity at 20/20 ��C: 1.004 to 1.006.

　　�?� Distillation range: 200��C215 ��C.

　　（b� It is used in the minimum amount required to perform its intended effect.

　　（c� It is used as a solvent for natural and synthetic flavoring substances except where standards of identity issued under section 401 of the act preclude such use.

　　更多关于美国 FDA 可直接加入食品中的辅助性食品添加剂的种类法规，请点出�a href="//www.sqrdapp.com/law/dongtai/171830.html">美国FDA 21 CFR �?73部分可直接加入食品中的辅助性食品添加剂种类汇怺�/a>