Last reviewed May 2026 · 1 min read
Is Thermally Oxidized Soya Bean Oil vegan?
Also known as: TOSO, E479b
E-number: E479b
Vegan
Suitable for a vegan diet.
Yes — Derived from soybean oil.
01 · The basics
What is Thermally Oxidized Soya Bean Oil?
An emulsifier used to keep oil and water mixed.
02 · The source
Where it comes from
Derived from soybean oil. 100% plant-based.
Frequently asked
FAQ
Is E479b vegan?
Yes, it is soy-derived.
Commonly found in
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