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PART 178 - INDIRECT FOOD ADDITIVES: ADJUVANTS, PRODUCTION AIDS, AND SANITIZERS Authority:21 U.S.C. 321, 342, 348, 379e. Source:42 FR 14609, Mar. 15, 1977, unless otherwise noted. Editorial Note:Nomenclature changes to part 178 appear at 61 FR 14482, Apr. 2, 1996, 66 FR 56035, Nov. 6, 2001, 66 FR 66742, Dec. 27, 2001, 68 FR 15355, Mar. 31, 2003, 70 FR 72074, Dec. 1, 2005, and 81 FR 49896, July 29, 2016.