Comparing E331III - Trisodium citrate vs E544 - Calcium polyphosphate

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Overview

E331III - Trisodium citrate

Trisodium citrate (E331iii) is the trisodium salt of citric acid. It controls acidity, stabilizes flavor, and helps certain foods—especially processed cheese—melt smoothly and evenly.

Calcium polyphosphate (E544) is a member of the phosphate family used to stabilize texture, bind water, and control acidity in processed foods. It belongs to the broader “polyphosphates” group, which helps foods like processed cheese and cured meats hold together and stay moist.

Synonyms

E331iii

Trisodium citrate

E544

Calcium polyphosphate

Functions

acidity regulator emulsifying salt sequestrant

sequestrant stabilizer thickener

Origins

Products

Found in 365 products

Found in 0 products

Search rank & volume

#2591.6K / mo🇺🇸U.S.

#54810 / mo🇺🇸U.S.

Awareness score

×0.65

under-aware

Awareness data is not available.

Search volume over time

Interest over time for 2 keywords in U.S. during the last 10 years.

Search history data is not available.

Popular questions

Is trisodium citrate bad for you?
No—trisodium citrate (E331iii) is widely used as a food acidity regulator and is considered safe at typical food levels (JECFA ADI: “not specified”); those on sodium-restricted diets or consuming very large amounts should be mindful of the added sodium and possible mild stomach upset.
What is trisodium citrate dihydrate?
It’s the hydrated crystalline form of trisodium citrate (Na3C6H5O7·2H2O); it functions the same in foods as a buffer/chelating agent, with the water of crystallization only affecting dosing by weight.
What is trisodium citrate used for?
In foods it serves as an acidity regulator/buffer and emulsifying salt (especially in processed cheese), and as a chelator that controls tartness and helps prevent oxidation; it’s also used to stabilize flavors in beverages.
During sample preparation, why must the solutions be buffered with trisodium citrate?
Citrate buffer maintains a controlled pH and chelates multivalent metals, helping prevent precipitation or oxidation and stabilizing analytes during preparation.
Fe during sample preparation, why must the solutions be buffered with trisodium citrate?
For iron analyses, citrate complexes Fe2+/Fe3+ and holds the pH where ferric hydroxide won’t precipitate, reducing losses and interferences from other metals.