What is E302?

Calcium ascorbate is a compound with the molecular formula CaC12H14O12. It is the calcium salt of ascorbic acid, one of the mineral ascorbates. E302 sits in the E300–E399 series, which in the EU classification mainly covers antioxidants and acidity regulators.

What is E302 used for?

E302 belongs to the antioxidants group. Antioxidants stop fats going rancid and food discolouring. Several are natural, such as ascorbic acid (vitamin C).

Is E302 safe?

E302 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 E302 appears on labels

On food packaging you'll find E302 either as the number “E302” or by the name “Calcium ascorbate” 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 E302 vegan?

Yes, E302 is suitable for vegans.