What is E327?

Calcium lactate is a white crystalline salt with formula C6H10CaO6, consisting of two lactate anions H3C(CHOH)CO2– for each calcium cation Ca2+. It forms several hydrates, the most common being the pentahydrate C6H10CaO6·5H2O. E327 sits in the E300–E399 series, which in the EU classification mainly covers antioxidants and acidity regulators.

What is E327 used for?

E327 belongs to the antioxidants group. Antioxidants stop fats going rancid and food discolouring. Several are natural, such as ascorbic acid (vitamin C).

Is E327 safe?

E327 is considered safe at the levels used in food and is approved for use in the EU. “Safe” means it is approved in the EU and regarded as safe at the levels used in food.

How E327 appears on labels

On food packaging you'll find E327 either as the number “E327” or by the name “Calcium lactate” in the ingredient list, often after its function. Ingredients are listed in descending order by weight, so an additive near the end is present only in small amounts.

Is E327 vegan?

Yes, E327 is suitable for vegans.