Last reviewed May 2026 · 1 min read
Is Polysorbate 40 vegan?
Also known as: Tween 40, E434
E-number: E434
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Source can be plant or animal.
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It depends — Made from sorbitol and palmitic acid.
01 · The basics
What is Polysorbate 40?
An emulsifier used to stabilize oils and waters.
02 · The source
Where it comes from
Made from sorbitol and palmitic acid. The palmitic acid can be animal or plant-derived. Verification required.
03 · Alternatives
Best vegan alternatives
Plant-derived Polysorbate
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Frequently asked
FAQ
Is E434 vegan?
Verification of the palmitic acid source is needed.
Commonly found in
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Other emulsifier ingredients
E422 (Glycerol / Glycerin)
A sweet, syrupy liquid used as a humectant in foods and cosmetics.
E471 (Mono- and diglycerides)
A common emulsifier used in baked goods, ice cream, and margarine.
E481 (Sodium Stearoyl Lactylate)
An emulsifier used to improve the texture of baked goods.
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Related ingredients
E422 (Glycerol / Glycerin)
A sweet, syrupy liquid used as a humectant in foods and cosmetics.
E920 (L-Cysteine)
A dough conditioner used in commercial bread baking.
Calcium Carbonate
A common mineral used as a white food coloring, an anti-caking agent, and a calcium supplement.
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