Acidity regulators approved for use in food by the European Commission

Food additives permitted in the EU: acidity regulators

Below is a review of some of acidity regulators or pH control agents, such as carbon dioxide and carbonates, or acetic acid and lactic acid and their salts, present in the list of food additives approved in the European Community on the basis of the European Commission regulation No 1129/2011 published on 11 November 2011. This list is an amendment of Annex II to Regulation (EC) No. 1333/2008 of the European Parliament, then modified in 2013. Such list in its entirety is available by following the link in the References.

E170, E260, E261, E262, E263, E270, E290, E296, E297, E325, E326, E327, E330, E331, E332, E333, E334, E335, E336, E337, E338, E339, E340, E341, E343, E350, E351, E352, E353, E354, E355, E356, E357, E363, E380, E385, E500, E501, E502, E503, E504, E507, E508, E509, E510, E511, E512, E513, E514, 5515, E516, E517 E520, E521, E522, E523, E524, E525, E526, E527, E528, E529, E530, E531, E532, E533, E534, E535, E536, E538, E541
Acidity regulators: carbon dioxide and carbonates
E170     Calcium carbonate
E290     Carbon dioxide
E500     Sodium carbonates
E501     Potassium carbonates
E503     Ammonium carbonates
E504     Magnesium carbonates
Acidity regulators: acetic acid and its salts
E260     Acetic acid
E261     Potassium acetate
E262     Sodium acetates
E263     Calcium acetate
Acidity regulators: lactic acid and its salts
E270     Lactic acid
E325     Sodium lactate
E326     Potassium lactate
E327     Calcium lactate
Acidity regulators: citric acid and its salts
E330     Citric acid
E331     Sodium citrates
E332     Potassium citrates
E333     Calcium citrates
E380     Triammonium citrate
Acidity regulators: tartaric acid and its salts
E334     Tartaric acid (L(+)-)
E335     Sodium tartrates
E336     Potassium tartrates
E337     Sodium potassium tartrate
E353     Metatartaric acid
E354     Calcium tartrate
Acidity regulators: phosphoric acid and its salts
E338     Phosphoric acid
E339     Sodium phosphates
E340     Potassium phosphates
E341     Calcium phosphates
E343     Magnesium phosphates
E450     Diphosphates
E451     Triphosphates
E452     Polyphosphates
E541     Sodium aluminium phosphate
Acidity regulators: malic acid and its salts
E296     Malic acid
E350     Sodium malates
E351     Potassium malate
E352     Calcium malates
pH control agents: adipic acid and its salts
E355     Adipic acid
E356     Sodium adipate
E357     Potassium adipate
Acidity regulators: hydrochloric acid and its salts
E507     Hydrochloric acid
E508     Potassium chloride
E509     Calcium chloride
E511     Magnesium chloride
E512     Stannous chloride
pH control agents: sulphuric acid and its salts
E513     Sulphuric acid
E514     Sodium sulphates
E515     Potassium sulphates
E516     Calcium sulphate
E517     Ammonium sulphate
E520     Aluminium sulphate
E521     Aluminium sodium sulphate
E522     Aluminium potassium sulphate
E523     Aluminium ammonium sulphate
Acidity regulators: other acids and their salts
E297     Fumaric acid
E363     Succinic acid
E385     Calcium disodium ethylene diamine tetra-acetate: calcium disodium EDTA
pH control agents: alkalis
E524     Sodium hydroxide
E525     Potassium hydroxide
E526     Calcium hydroxide
E527     Ammonium hydroxide
E528     Magnesium hydroxide
E529     Calcium oxide
E530     Magnesium oxide
Other salts
E535     Sodium ferrocyanide
E536     Potassium ferrocyanide
E538     Calcium ferrocyanide


  1. Bender D.A. “Benders’ Dictionary of Nutrition and Food Technology” 8th ed. Woodhead Publishing. Oxford, 2006
  2. Commission Regulation (EU) No 1129/2011 of 11 November 2011 amending Annex II to Regulation (EC) No 1333/2008 of the European Parliament and of the Council by establishing a Union list of food additives.

Biochemistry, metabolism, and nutrition