E 321 Butylated hydroxytoluene (BHT)

What is E 321?

E 321 is the E number of Butylated hydroxytoluene (BHT). Synthetic antioxidant for fats and oils, for example in chewing gum and frying fats.

What is E 321 used for?

E 321 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 321?

According to the European Commission's database, E 321 may be used in 6 food categories and subcategories, each only in specific products and usually with maximum levels. The categories come from these areas:

• Fats and oils and fat and oil emulsions
• Confectionery
• Salts, spices, soups, sauces, salads and protein products
• Food supplements

Is E 321 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 321 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 321 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 321" or "Antioxidant: Butylated hydroxytoluene".