Firming agents

Keeps fruit and vegetable tissue firm or crisp.

40 additives that at least one regulator lists as firming agents: 10 by Canada, 30 by United States and 18 by Codex Alimentarius. Each mark shows the term that regulator used; follow it for the citation.

A function is not a permission. Being listed here says what a regulator treats the additive as, not that it is permitted in any particular food or place — its own page shows that. Where a regulator leaves a cell empty, it has not assigned this function in the sources this site reads; it may assign another, or none.

The US column is the least complete. Only some US listings name their technical effect by citing 21 CFR 170.3(o); many, especially in part 172, describe their use in their own words, and this site does not read a function into that prose. An empty US cell says little.

AdditiveCAUSCodex
Aluminium ammonium sulfate E523——Firming agent
Aluminum potassium sulfate E522Firming agentFirming agent—
Aluminum sodium sulfate E521Firming agentFirming agent—
Aluminum sulfate E520Firming agentFirming agent—
Ammonium alginate E403—Firming agent—
Ammonium phosphate, dibasic INS 342(ii)—Firming agents; Firming agent—
Ammonium sulfate E517—Firming agents; Firming agent—
Calcium acetate E263—Firming agents; Firming agent—
Calcium alginate E404—Firming agent—
Calcium carbonate E170——Firming agent
Calcium chloride E509Firming agentFirming agents; Firming agentFirming agent
Calcium citrate E333Firming agentFirming agentFirming agent
Calcium gluconate E578Firming agentFirming agents; Firming agentFirming agent
Calcium hydrogen phosphate E341Firming agent—Firming agent
Calcium hydroxide E526—Firming agentFirming agent
Calcium lactate E327Firming agentFirming agents; Firming agentFirming agent
Calcium lactobionate—Firming agent—
Calcium oxide E529—Firming agent—
Calcium phosphate E341——Firming agent
Calcium pyrophosphate E450——Firming agent
Calcium sulfate E516Firming agentFirming agentsFirming agent
Curdlan INS 424——Firming agent
Glyceryl monostearate—Firming agent—
Guar gum E412—Firming agents; Firming agent—
Gum arabic (Acacia gum) E414—Firming agents—
Magnesium chloride E511—Firming agentFirming agent
Magnesium gluconate INS 580——Firming agent
Magnesium oxide E530—Firming agents—
Magnesium sulfate INS 518——Firming agent
Monobasic calcium phosphate E341Firming agentFirming agentFirming agent
Pectins E440—Firming agent—
Potassium alginate E402—Firming agent—
Potassium chloride E508——Firming agent
Sodium alginate E401—Firming agents; Firming agent—
Sodium carboxymethylcellulose E466——Firming agent
Sodium methyl sulfate—Firming agent—
Sodium stearoyl lactylate E481—Firming agent—
Sorbitol E420—Firming agents—
Tartaric acid E334—Firming agents; Firming agent—
Wheat gluten—Firming agent—