Is rye sourdough vegan? Sources and aliases

Source dependent

The source or production method of rye sourdough can vary, so it is not always vegan.

Names you may see on a label

ruistaikinanjuuriroggezuurdesemmasa madre de centenorugsurdejlevain de seiglerågsurdegzakwas żytnipasta madre di segaleRoggensauerteigsurdeg av rågroggedesemruisjuuriSauerteig dunkel

How to verify it

Look for a vegan certification or a manufacturer statement identifying the original source. The ingredient name alone does not settle it.