Vegan

E181 is classified as vegan by the local ingredient taxonomy.

Names you may see on a label

ТанинTaninyTaninaТанін탄닌TanninGarvesyreTaninTaninoTaninosTananteTannineE 181GerbsäureTanninoTanniniLooizuurGarvsyraacide tanniqueTannins1401-55-4TaninsTanniinitTanniiniParkkihappoTanniinejaTanniiniaParkkihappoaTříslovinyTříslovina

How to verify it

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