What is E304?

E304 (Fatty acid esters of ascorbic acid) is a antioxidants food additive. Fat-soluble antioxidant derived from Vitamin C. E304 sits in the E300–E399 series, which in the EU classification mainly covers antioxidants and acidity regulators.

What is E304 used for?

E304 belongs to the antioxidants group. Antioxidants stop fats going rancid and food discolouring. Several are natural, such as ascorbic acid (vitamin C).

Is E304 safe?

E304 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 E304 appears on labels

On food packaging you'll find E304 either as the number “E304” or by the name “Fatty acid esters of ascorbic acid” 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 E304 vegan?

Yes, E304 is suitable for vegans.