44290 - other regulated additives (efsa foodex2) 44400 - firming agent (efsa foodex2) The group includes any type of Firming agent, i.e. food additives which make or keep tissues of fruit or vegetables firm or crisp, or interact with gelling agents to produce or strengthen a gel. The part consumed/analysed is by default the whole marketed unit or a homogeneous representative portion.[https://en.wikipedia.org/wiki/Firming_agent] requires discussion