Source dependent

The source or production method of E477 can vary, so it is not always vegan.

Names you may see on a label

Ésteres de propano-1‚2-diol de ácidos gordosEstry kwasów tłuszczowych i glikolu propylenowegoэфиры пропиленгликоля и жирных кислотPropylenglycolestere af fedtsyrerPropane-1‚2-diol esters of fatty acidsRasvahappojen propyleeniglykoliesteritRasvahappojen propyleeniglykoliestereitäEsters du propylène-glycol d'acide grasEsters du propylène glycol d'acides grasEsters de propane-1‚2-diol d'acides grasEstery propan-1‚2-diolu s mastnými kyselinamiEsteri dell'1‚2-propandiolo degli acidi grassiPropylenglycolester von SpeisefettsäurenÉsteres de propano-1‚2-diol de ácidos grasosMono y diésteres de 1‚2 propilenglicolésteres de ácidos grasos con propilenglicolEsters van propaan-1‚2-diol met vetzuren1‚2-propylenglykolestrar av fettsyror

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.