E220 Synthetic origin Medium danger Preservatives Antioxidants Flour treatment agents Bleaching agents Other names for the additive (synonyms) E 220, E-220, SO2
Codex Alimentarius: STAN 192-1995 General standard for food additives Member countries FAO, WHO Codex Alimentarius: STAN 192-1995
Codex Alimentarius: CXG 36-1989 Class names and the international numbering system for food additives Member countries FAO, WHO Codex Alimentarius: CXG 36-1989
