[Code of Federal Regulations] [Title 21, Volume 3] [Revised as of April 1, 2005] From the U.S. Government Printing Office via GPO Access [CITE: 21CFR172.235] [Page 42] TITLE 21--FOOD AND DRUGS CHAPTER I--FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES (CONTINUED) PART 172_FOOD ADDITIVES PERMITTED FOR DIRECT ADDITION TO FOOD FOR HUMAN CONSUMPTION--Table of Contents Subpart C_Coatings, Films and Related Substances Sec. 172.235 Morpholine. Morpholine may be safely used as a component of food, subject to the following restrictions. (a) It is used as the salt(s) of one or more of the fatty acids meeting the requirements of Sec. 172.860, as a component of protective coatings applied to fresh fruits and vegetables. (b) It is used at a level not in excess of that reasonably required to produce its intended effect.