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Antioxidant

E304 (ascorbyl palmitate): what it is, its sources, vegan or not

Q: What other names does E304 have on a label?

On a label, E304 can also appear as “INS 304”, “Antioxidant (304)”, “Antioxidant (E304)” or “Ascorbyl palmitate”. Any of these on a pack means E304. The checker reads them all.

E304 can come from plant oils or animal fat, and the pack rarely says which. Vegetarian and vegan profiles get Heads up: source not stated.

Decode another E-number Which E-numbers come from animals?Add vegan to my profile

By Bravoora teamUpdated 13 October 2026Sources checked 20 September 20264 sourcesHow we check

Heads up

for a vegan profile

E304=source not stated

What is E304?

E304 (ascorbyl palmitate) is an antioxidant, an additive that makes a food keep longer by protecting it from oxidation, such as fats turning rancid or colours changing.

What is E304 made from?

Plant oils
Animal fat

Is E304 vegan?

Heads up. Source not stated. E304 can come from plant oils or animal fat. The pack does not have to say which, so the app says Heads up instead of guessing.

Bravoora is a calorie tracker and ingredient checker app. Scan a pack, a supplement or a skincare label and it answers for each person on your plan.

What the app says to each profile, and the reason it shows.

VeganHeads upSource not stated. E304 can come from plant oils or animal fat. The pack does not have to say which, so the app says Heads up instead of guessing.

VegetarianHeads upSource not stated. E304 can come from plant oils or animal fat. One of those comes from a slaughtered animal, and the pack does not have to say which.

What other names does E304 have on a label?

Any of these on a pack means E304. The checker reads them all.

E304E 304E-304INS 304Antioxidant (304)Antioxidant (E304)Ascorbyl palmitate

What would change the answer for E304?

A pack that says “from plant oils” gives Fits you; one that says “from animal fat” gives Not for you. A list that is cut off or unreadable gets Needs one more scan.