Comparing E331 - Sodium citrates vs E381 - ferric ammonium citrate
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Popular questions
What is e331 in food?
E331 is sodium citrates—the mono-, di-, and trisodium salts of citric acid—used mainly as acidity regulators/buffers, sequestrants, and emulsifying salts in foods like soft drinks and processed cheese.
How are sodium citrates used in molecular gastronomy?
They’re used to adjust and buffer pH, chelate calcium, and act as an emulsifying salt—commonly to make ultra-smooth, meltable cheese sauces and to tune acidity/calcium levels for techniques like spherification and stabilizing foams.
What are sodium citrates degradation byproducts?
Under normal food use they’re stable; with strong heating/combustion they decompose to carbon oxides (CO2/CO) and sodium oxides (and related inorganic residues).
Why does sodium citrates burn?
It isn’t flammable; any “burning” sensation typically comes from irritation of skin, eyes, or mouth at high concentrations due to its mildly alkaline, saline nature, and on heating it decomposes rather than sustaining a flame.
Ferric ammonium citrate green rock hard, how to reconstitute?
It cakes but remains highly water‑soluble: break up the mass and dissolve in distilled/deionized water with stirring; gentle warming (up to ~40–50°C) can help, then filter if needed and store airtight with a desiccant to prevent re‑hardening.
Ferric ammonium citrate rock hard, how to reconstitute?
Crush to increase surface area and dissolve in deionized water under vigorous stirring; mild heat aids dissolution—avoid boiling—and store the solid or solution tightly sealed to limit moisture cycling and caking.
Ferric ammonium citrate what is?
A synthetic, water‑soluble iron(III) complex of citrate with ammonium (E381), used in foods where permitted mainly as an iron fortificant and acidity regulator.
How cells uptake ferric ammonium citrate?
In cell culture it provides non‑transferrin‑bound Fe3+ that is reduced at the membrane and transported primarily via DMT1 as Fe2+; uptake can vary by cell type and conditions.
How is ferric ammonium citrate?
It is a very water‑soluble green or brown solid used in foods (E381) where allowed as an iron source and acidity regulator; typical use levels follow good manufacturing practice and applicable regulations.