What is E321?

๐ŸŸก CAUTION
BHT (Butylated Hydroxytoluene)
Antioxidants ยท Generally approved but some concerns exist
๐ŸŒฑ Vegan Yes
๐Ÿฅš Vegetarian Yes
โ˜ช๏ธ Halal Halal
๐ŸŒด Palm Oil No

E321 is BHT (Butylated Hydroxytoluene) โ€” a synthetic antioxidant, used as a antioxidant to help stop fats and oils turning rancid and protect food colour and flavour.

What is E321 (BHT)?

E321 is the E-number for BHT, one of the antioxidants group of food additives (E300โ€“E399). Additives in this group stop fats and oils turning rancid and protect food colour and flavour. A synthetic antioxidant. Like every E-number, E321 has been evaluated and authorised for use in food in the European Union โ€” the 'E' literally stands for Europe, and a number is only granted after a safety assessment. That authorisation doesn't mean every additive suits every diet or that all concerns are settled, which is why we break down the safety, vegan, vegetarian and halal status of E321 in detail below.

Where is E321 found?

E321 is typically used in oils, margarine, snacks, cured meats, soft drinks and processed foods. You'll find it listed in the ingredients either by its E-number (E321) or by its full name, BHT. Common foods that may contain E321 include:

Full guide: foods containing E321 and how to spot it on labels โ†’

E321 is often searched by its common name โ€” see also: Is BHT safe?

Is E321 safe?

E321 is approved for use in the EU, UK and US at regulated levels, but some concerns or conditions apply. For most people, normal dietary exposure to E321 is not considered harmful.

EFSA status: Authorised in the EU โ€” acceptable daily intake (ADI) or conditions of use apply
Source: European Food Safety Authority

Is E321 vegan?

E321 is vegan. A synthetic antioxidant, with no animal involvement in standard production.

Full vegan status guide for E321 โ†’

Is E321 halal?

E321 is halal. A synthetic antioxidant, with no haram source involved.

Full halal status guide for E321 โ†’

Frequently Asked Questions

What is E321 in food?

E321 is BHT (Butylated Hydroxytoluene) โ€” a synthetic antioxidant, used as a antioxidant to help stop fats and oils turning rancid and protect food colour and flavour.

Is E321 safe to eat?

E321 is approved at regulated levels in the EU, UK and US, but some concerns exist โ€” see the safety section above. Most people can consume it in normal amounts without harm.

Is E321 vegan?

E321 is vegan. A synthetic antioxidant, with no animal involvement in standard production.

Is E321 halal?

E321 is halal. A synthetic antioxidant, with no haram source involved.

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Additive data sourced from Open Food Facts (ODbL licence) and the European Food Safety Authority (EFSA).

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