Not vegan

beef liver is classified as animal-derived by the local ingredient taxonomy.

Names you may see on a label

foie de resnaudan maksafoie de boeufnötleverwątroba wołowafegato di manzoRinderleberhigado de reswątroby wołowewątroby wołowej

How to verify it

If this ingredient appears in the recipe rather than a precautionary trace statement, the product is not vegan.