sucralose Europe::955 A disaccharide derivative consisting of 4-chloro-4-deoxy-alpha-D-galactopyranose and 1,6-dichloro-1,6-dideoxy-beta-D-fructofuranose units linked by a glycosidic bond. Codex::955 LanguaL term definition: Food additive; technological purpose(s): sweetener. Sucralose is an artificial sweetener. The majority of ingested sucralose is not broken down by the body and therefore it is non-caloric. In the European Union, it is also known under the E number (additive code) E955. Sucralose is approximately 600 times as sweet as sucrose (table sugar), twice as sweet as saccharin, and 3 times as sweet as aspartame. sucralose sucralose (trichlorogalactosucrose) organochlorine compound organochlorine compound disaccharide derivative food additive