organic heteromonocyclic compound organonitrogen heterocyclic compound oxacycle sulfamate ester acesulfame Codex::950 Europe::950 A sulfamate ester that is 1,2,3-oxathiazin-4(3<em>H</em>)-one 2,2-dioxide substituted by a methyl group at position 6. LanguaL term definition: Food additive; technological purpose(s): flavour enhancer, sweetener. acesulfame k acesulfame potassium