What is E 310?
E 310 is the E number of Propyl gallate. Synthetic antioxidant that protects fats and oils from going rancid, for example in frying fats and chewing gum.
What is E 310 used for?
E 310 belongs to the group "Other additives" and is used as antioxidant.
- Antioxidant: Antioxidants protect against oxidation, which for example turns fats rancid or changes colours.
Which foods may contain E 310?
According to the European Commission's database, E 310 may be used in 18 food categories and subcategories, each only in specific products and usually with maximum levels. The categories come from these areas:
- Dairy products and analogues
- Fats and oils and fat and oil emulsions
- Fruit and vegetables
- Confectionery
- Cereals and cereal products
- Bakery wares
- Meat
- Salts, spices, soups, sauces, salads and protein products
- Ready-to-eat savouries and snacks
- Food supplements
Is E 310 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 310 linked to genetic engineering?
No typical link to genetic engineering is known for this substance: it is not usually obtained from plants for which GM varieties exist, nor produced by fermentation.
How does E 310 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 "Antioxidant: E 310" or "Antioxidant: Propyl gallate".
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)