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E 501Acidity Regulators & Anti-caking Agents

Potassium carbonate

Characteristics

Additive NamePotassium carbonate
E No.E 501
TypeIndividual Substance
In plain language

An acidity regulator and leavening agent used in baked goods, noodles, and some processed foods. It raises pH levels, which affects texture and helps dough rise. It's also used in Dutch-process cocoa to reduce bitterness. Generally considered safe at levels found in food. It's a mineral salt — naturally occurring in wood ash and plant sources. No significant health concerns at typical dietary intake levels, though excessive consumption may affect potassium balance in sensitive individuals.

Conditions of Use

This additive is authorised to be used in the following 9 food categories:

11.4.1table-top sweeteners in liquid form
Quantum satis (no max)
11.4.2table-top sweeteners in powder form
Quantum satis (no max)
11.4.3table-top sweeteners in tablets
Quantum satis (no max)
13.1.3Processed cereal-based foods and baby foods as defined by Regulation (EU) No 609/2013
Quantum satis (no max)
only as rising agent
Quantum satis (no max)
only as rising agent
4.1.2peeled cut and shredded fruit and vegetables
Quantum satis (no max)
only prepacked refrigerated unprocessed fruit and vegetables ready for consumption and prepacked unprocessed and peeled potatoes
9.1.2Unprocessed molluscs and crustaceans
Quantum satis (no max)
only frozen and deep-frozen cephalopods’
Footnote 95: may not be used in combination with Phosphoric acid — phosphates — di-, tri- and polyphosphates (E 338-452)’
1.9Edible caseinates
Quantum satis (no max)
1.10Milk-based drinks and similar products intended for young children*
Quantum satis (no max)

Source

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E 501 - Potassium carbonate | E-Number Information