What is E 345(i)?
E 345(i) is the E number of Trimagnesium dicitrate. Magnesium salt of citric acid, used as an acidity regulator.
What is E 345(i) used for?
E 345(i) belongs to the group "Other additives" and is used as acidity regulator.
- Acidity regulator: Acidity regulators alter or control the acidity (pH) of a food.
Which foods may contain E 345(i)?
According to the European Commission's database, E 345(i) may be used in 1 food categories and subcategories, each only in specific products and usually with maximum levels. The categories come from these areas:
- Food supplements
Is E 345(i) vegan?
Usually yes: the substance is normally made from plant, mineral or synthetic raw materials or with microorganisms. In individual cases, only the manufacturer or a vegan label can give certainty.
Is E 345(i) linked to genetic engineering?
Genetic engineering: May be obtained from plants for which genetically modified varieties exist, such as soya, maize, rapeseed or sugar beet. If the substance comes from a GM plant, this must be stated on the label in the EU (Regulation (EC) No 1829/2003).
Genetic engineering: May be produced with microorganisms that can be genetically modified. If a substance is only produced with the help of genetically modified microorganisms, EU law does not require it to be labelled.
In food labelled "ohne Gentechnik" and in organic food, such substances from or by genetically modified organisms are excluded in principle.
How does E 345(i) appear on the label?
In the list of ingredients, the substance appears with its function, followed by the E number or the name, for example "Acidity regulator: E 345(i)" or "Acidity regulator: Trimagnesium dicitrate".
Sources
- Regulation (EC) No 1333/2008, consolidated version of 18.08.2026, Annexes I and II, EUR-Lex
- Food Additives Database, European Commission (accessed 19 October 2026)
- Regulation (EC) No 1829/2003 on genetically modified food and feed, EUR-Lex