Last reviewed May 2026 · 1 min read
Is Glycerol Esters of Wood Rosins vegan?
Also known as: E445, Ester gum
E-number: E445
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Source can be plant or animal.
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It depends — Produced from wood rosin and glycerol.
01 · The basics
What is Glycerol Esters of Wood Rosins?
A food additive used as an emulsifier and to keep essential oils in suspension.
02 · The source
Where it comes from
Produced from wood rosin and glycerol. The glycerol can be animal-derived. Verification is needed.
Frequently asked
FAQ
Is E445 vegan?
It depends on the glycerol source.
Commonly found in
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E471 (Mono- and diglycerides)
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E481 (Sodium Stearoyl Lactylate)
An emulsifier used to improve the texture of baked goods.
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