{"id":"hive:additive:msg","family":"additive","slug":"msg","name":"Monosodium glutamate","description":"A reviewed additive concept linked to MSG and E621.","aliases":[{"value":"msg","language":"en"},{"value":"monosodium glutamate","language":"en"},{"value":"e621","language":"en"}],"provenance":["Hive reviewed deterministic alias registry v2026.08"],"reviewed":"2026-08-31","updated":"2026-08-31","contexts":["ingredient statements"],"indexable":true,"_links":{"html":"/additive/msg","methodology":"/methodology"}}