Vegan

E311 is classified as vegan by the local ingredient taxonomy.

Names you may see on a label

Oktylgallátoktylester kyseliny gallovéGallate d'octyleOktyyligallaattiGallushapon oktyyliesteriOktyyligallaattiaGallushapon oktyyliesteriäOktylgallatgallussyrans oktylesterOctylgallaatoctylester van galluszuurGalato de octiloOctylgallatOctylester der GallussäureGallato di ottileOctyl gallateOctyl ester of gallic acidoctylester af gallusgarvesyreGalusan oktylu

How to verify it

Check that the name refers to this exact ingredient and not a similar additive with a different source.